Method for producing compound, ampoule, production device, compound and use of compound

Abstract

The invention relates to a method for producing a compound, comprising: providing a first solid material in a first reservoir of an ampoule, providing a second solid material in a second reservoir of the ampoule, the ampoule having a separating element which separates the first and second reservoirs from one another in a manner impermeable to the two materials in the solid state, wherein the ampoule has a passage element which connects the first and the second reservoir by means of the element in a permeable manner for the two liquid materials, heating the ampoule to convert the two materials into a liquid state by melting, the ampoule being arranged during melting such that the passage element is arranged above the upper edges of the two materials in the reservoir, the ampoule is rotated such that the second liquid material flows from the second reservoir through the passage element into the first reservoir, wherein the first and second liquid materials in the first reservoir form a compound. The invention also relates to an ampoule, to a manufacturing device, to a compound and to the use of said compound.

Description

Technical Field

[0001] The present invention relates to a method for manufacturing a compound, an ampoule, a manufacturing device, a compound, and an application of the compound. Background Art

[0002] In the synthesis of cadmium telluride (CdTe), multiple pieces, especially fragments, of cadmium (Cd) and tellurium (Te) having defined sizes are often filled into a container, especially an ampoule, in alternating layers. The pieces of Cd and Te having defined sizes can be provided, for example, by treating, especially crushing, the corresponding Cd and Te raw materials with a hammer. The alternating layers of Cd and Te should ensure that the materials are evenly distributed in the ampoule before the start of the synthesis reaction. Here, it is disadvantageous that a person often comes into contact with Cd and Te, for example, when crushing the raw materials and / or when filling the pieces into the ampoule. This results in a risk of introducing contamination into the ampoule. In addition, this preparation often requires a long preparation time.

[0003] Thereafter, the ampoule is heated in a furnace until Cd and Te melt and react to form CdTe. When Cd and Te react exothermically to form CdTe, a large amount of heat is released. Here, damage to the furnace often occurs.

[0004] In order to conduct the process guidance of CdTe synthesis, a temperature profile that is spatially and / or temporally preset is often provided in the furnace, so that the reaction can proceed in a controlled manner along the longitudinal axis of the ampoule. This can prevent too much heat from being released all at once and the synthesis reaction in the entire ampoule from occurring uncontrollably at the same time. The disadvantage of this process guidance is that it only allows the control of the temperature profile during the heating of the ampoule. Summary of the Invention

[0005] Therefore, the object of the present invention is to enable the controlled manufacture of CdTe materials.

[0006] This object is achieved according to the present invention by the subject matter according to the present invention. Advantageous embodiments with suitable improvements are as follows. Regardless of the grammatical gender of a specific term, persons with male and female gender identities are included together.

[0007] In a first aspect, the present invention relates to a method for manufacturing a compound. In a first step, a first solid material is provided in a first reservoir of an ampoule. In a further step, a second solid material is provided in a second reservoir of the ampoule. Here, the ampoule has a separating element that separates the first and second reservoirs from each other in an impermeable manner for the two materials in the solid state. In addition, the ampoule has a passage element that connects the first and second reservoirs in a permeable manner for the two materials in the liquid state. In a further step, the ampoule is heated so that the two materials are converted into the liquid state by melting. Here, during the melting, the ampoule is arranged such that the passage element is arranged above the upper edges of the two materials in the reservoirs. In a further step, the ampoule is rotated so that the second liquid material flows from the second reservoir into the first reservoir through the passage element, especially slowly. Here, the first liquid material and the second liquid material in the first reservoir form the compound.

[0008] The first material can be provided in the first reservoir of the ampoule in a solid state, especially in the form of a solid aggregate. Providing the first solid material can include introducing, especially filling and / or embedding and / or injecting, the first solid material into the first reservoir of the ampoule.

[0009] The second material can be provided in the second reservoir of the ampoule in a solid state, especially in the form of a solid aggregate. Providing the second solid material can include introducing, especially filling and / or embedding and / or injecting, the second solid material into the second reservoir of the ampoule.

[0010] The first and second solid materials can be provided in the respective reservoirs of the ampoule as powders and / or granules, and / or chunks and / or pellets and / or billets and / or blocks.

[0011] The first and second solid materials are especially different from each other in their chemical composition. In particular, the first and second solid materials can include at least partially different chemical elements.

[0012] The ampoule can have a surrounding wall that completely surrounds, especially encapsulates, the first and second reservoirs after the first and second solid materials are provided. The reservoirs of the ampoule can here respectively represent cavities within the ampoule, especially cavities within the surrounding wall. Alternatively, the ampoule can consist of two sub-ampoules, each sub-ampoule including one of the two reservoirs. The two reservoirs of the ampoule can be constructed the same or differently in terms of geometric features, such as volume and / or shape. The two reservoirs can be arranged adjacent to each other, especially along the longitudinal axis of the ampoule, which has an interface between the reservoirs that is transverse to the longitudinal axis of the ampoule.

[0013] The ampoule also has a separating element which separates the first and second reservoirs from each other in a manner impermeable to two materials in the solid state, in particular a first solid material and a second solid material. The separating element can for example be configured as a separating wall and / or a separating hood, in particular a quartz hood. Here, the separating element can in particular be flushly connected to the peripheral wall of the ampoule. The separating element can comprise the same material as the peripheral wall of the ampoule. In particular, the separating element can be configured to mechanically prevent the first and second solid materials from coming into contact with and mixing with each other.

[0014] The ampoule also has a passage element. The passage element is configured to connect the first and second reservoirs in a manner permeable to the two materials in the liquid state, in particular a first material and a second material in the liquid state respectively. In particular, the passage element can be configured to connect the two reservoirs in a manner permeable to two materials only in the liquid state and the gaseous state, in particular not in the solid state. Alternatively, the passage element can be configured to connect the two reservoirs also in a manner permeable to the two materials in the solid state, wherein, before the ampoule starts to rotate, contact between the two solid materials in the reservoirs is precluded by arranging the passage element above the upper edges of the two materials. Thus, the passage element can provide a connection between the two reservoirs of the ampoule which is permeable to the two materials in the liquid state, in particular not in the solid state.

[0015] Advantageously, the ampoule can be heated by providing a heat source, for example by arranging the ampoule on or in a furnace. The heating of the ampoule can be carried out integrally or zone by zone. Advantageously, the ampoule can be heated to a temperature above the highest melting point of the two materials, in particular the core temperature inside the two reservoirs. Thereby, the two solid materials in the respective reservoirs can be transformed into the liquid state by melting, in particular liquefied.

[0016] Advantageously, during melting, in particular until the two materials are completely melted, the ampoule is arranged, in particular positioned, in the reservoirs such that the passage element is arranged above the upper edges of the two materials in the reservoirs. The two materials can each have a liquid surface in the liquid state in the respective reservoirs. Advantageously, during melting, the ampoule is arranged in such a way that the passage element, for example an opening in the separating element between the two reservoirs, is completely arranged above the two liquid surfaces. Thereby, it can be advantageously ensured that the two materials in the liquid state do not come into premature contact and / or mixing. In particular, the two materials continue to be separated from each other by the separating element during melting.

[0017] Advantageously, the ampoule can be rotated after melting, especially after both materials have completely melted. The rotation of the ampoule can be carried out in stages or continuously. Advantageously, the ampoule is rotated such that the passage element is at least partially, especially completely, arranged below the upper edge of the two materials in the liquid state during rotation, especially below the liquid surface of the second material. The rotation of the ampoule can advantageously be carried out about a rotation axis that runs perpendicular or parallel to the longitudinal axis of the ampoule. Thereby, the second liquid material can flow from the second reservoir through the passage element into the first reservoir.

[0018] After the second liquid material has flowed into the first reservoir, the first and second liquid materials can react to form a compound in the first reservoir.

[0019] The proposed method can advantageously achieve the production of compounds with a minimum risk of personnel contact and contamination. The two solid materials do not have to be manually knocked as before. In addition, it is conceivable to use the first and second solid materials in larger material blocks, whereby a smaller free surface can be achieved. Thereby, the oxidation of the surfaces of the first and second solid materials during storage can be advantageously reduced. Since the reaction can be controlled by rotation, it is also conceivable to use the first and second solid materials with a greater weight. In addition, the method can advantageously achieve a controlled reaction between the two liquid materials during rotation. In particular, the rotation speed of the ampoule can control the reaction intensity between the first liquid material and the second liquid material. By rotating the ampoule in a controlled manner, especially slowly, only a small amount of the first liquid material can react with the second liquid material at a time. An uncontrolled temperature increase can be advantageously avoided. In addition, temperature shocks and / or damage to the heating element, especially the furnace, used to heat the ampoule can be prevented.

[0020] In a further advantageous embodiment of the proposed method, the first material can include cadmium and the second material include tellurium. Alternatively, the first material can include tellurium and the second material can include cadmium.

[0021] Advantageously, the reservoir in which cadmium is provided can be heated to a temperature of at least 321 °C. In addition, the reservoir in which tellurium is provided can be heated to a temperature of at least 450 °C. Thereby, it can be advantageously ensured that the two materials are transformed into the liquid state by melting.

[0022] Advantageously, the proposed embodiment can be used to provide CdTe material as a compound, for example having CdTe. The first and / or second material can additionally include other substances, such as zinc (Zn), selenium (Sn), and / or manganese (Mn). In this regard, the compound can contain Cd, Te, and one or more other substances.

[0023] In a further advantageous embodiment of the proposed method, the passage element can be configured as an opening in the separating element.

[0024] The passage element can be configured as an opening, in particular a plurality of openings, connecting a first and a second reservoir in a separating element, in particular a separating wall or a separating cover. For example, the opening can be provided by drilling or subtractive manufacturing techniques in the separating element, in particular the separating wall or the separating cover. Advantageously, the opening can be arranged closer to the peripheral wall of the ampoule than to the geometric center point and / or the geometric central axis, in particular the longitudinal axis, of the ampoule. Here, the opening is impermeable to the two materials in the solid state, in particular the first solid material and the second solid material, due to its geometric shape, in particular the cross-sectional area and / or the contour and / or the shape and / or the diameter. Alternatively, the opening is also permeable to the two materials in the solid state, wherein contact between the two materials in the solid state is excluded by arranging the opening above the upper edges of the two materials in the solid state before the start of rotation. Furthermore, the opening is permeable to the two materials in the liquid state, in particular the first liquid material and the second liquid material. Advantageously, during heating, the lower edge of the opening can be arranged above the upper edges of the two materials. Furthermore, during rotation, the lower edge of the opening can be arranged below the upper edge of the second liquid material.

[0025] The proposed embodiment can advantageously ensure that the second material can flow through the opening into the first reservoir and react with the first liquid material to form a compound only after it has liquefied.

[0026] In a further advantageous embodiment of the proposed method, the passage element can be made of a material having a melting point equal to or lower than the melting point of the second material. Here, the passage element can melt when the ampoule is heated, so that an opening permeable to the second liquid material is formed in the separating element.

[0027] The passage element can be made of a material having a melting point equal to or lower than the melting point of the second material. In particular, the passage element can be made of the second material. When the ampoule is heated, the passage element melts, in particular simultaneously with or before the second material in terms of time. Thereby, an opening permeable to the second liquid material can be formed in the separating element, which connects the first and the second reservoirs to each other. Here, the passage element can form a plug in the opening of the separating element, which plug melts, in particular turns into a liquid state, when the second material melts into a liquid state and releases the opening.

[0028] The proposed embodiment can advantageously achieve temperature-controlled permeability of the separating element.

[0029] In a further advantageous embodiment of the proposed method, the separating element can be introduced into the ampoule after the first or second solid material has been provided in the respective reservoir and before the respective other solid material is provided in the associated reservoir.

[0030] According to a first variant, the separating element can be introduced into the ampoule after the first solid material has been provided in the first reservoir and before the second solid material is provided in the second reservoir. According to a second alternative variant, the separating element can be introduced into the ampoule after the second solid material has been provided in the second reservoir and before the first solid material is provided in the first reservoir.

[0031] Advantageously, the ampoule can have an opening before the start of the method. Here, the first or second solid material can be provided, in particular introduced, into the respective reservoir through the opening. Then the separating element can be introduced into the ampoule, in particular fastened in the ampoule. The introduction of the separating element can be achieved through the opening of the ampoule. In addition, the introduction of the separating element can also include fastening the separating element to the surrounding wall of the ampoule by means of fastening means. The fastening means can include, for example, an adhesive. Alternatively or additionally, the separating element can be welded and / or fused to the surrounding wall of the ampoule. After the separating element has been introduced into the ampoule, the respective other solid material can be provided, in particular introduced, into the associated reservoir of the ampoule. Thereafter, the opening of the ampoule can be closed.

[0032] According to a further variant, the first sub-ampoule can include the first reservoir and the second sub-ampoule can include the second reservoir. In addition, the first sub-ampoule or the second sub-ampoule can include a through-element and / or a separating element. Alternatively, when the first and second sub-ampoules are joined together, the through-element and / or the separating element can be inserted into the ampoule. The first and second sub-ampoules can advantageously be joined together, in particular connected together, after the respective solid material has been filled into the respective reservoir.

[0033] The proposed embodiment enables the simple and low-pollution provision of the two solid materials in the respective reservoirs and the introduction of the separating element.

[0034] In a further advantageous embodiment of the proposed method, the rotation of the ampoule can be carried out according to the instantaneous material quantity in the first and / or second reservoir and / or the instantaneous temperature of the first and / or second material.

[0035] Advantageously, the instantaneous material quantity in the first and / or second reservoir can be detected during heating and / or rotation of the ampoule. The detection of the instantaneous material quantity in the first and / or second reservoir can be achieved by means of a material quantity sensor, such as a weight sensor and / or an optical sensor and / or an electromagnetic sensor, which is configured to detect the instantaneous material quantity in the respective reservoir. Alternatively, the instantaneous material quantity can be determined by means of prior information on the first and second materials initially provided in the respective reservoir and information on the instantaneous rotation angle of the ampoule during heating.

[0036] Furthermore, the instantaneous temperature of the first and / or second material can be detected during heating and / or rotation of the ampoule. The detection of the instantaneous temperature of the first and / or second material can be carried out by means of a temperature sensor. Advantageously, the instantaneous temperature of the ampoule can be detected zone by zone.

[0037] Advantageously, the rotation of the ampoule, in particular the rotation speed and / or the rotation angle, can be carried out as a function of the instantaneous material quantity in the first and / or second reservoir and / or the instantaneous temperature of the first and / or second material. In particular, the rotation can be controlled as a function of the instantaneous material quantity in the first reservoir and / or second reservoir and / or the instantaneous temperature of the first material and / or second material.

[0038] The proposed embodiment can advantageously achieve a temperature-sensitive and / or quantity-sensitive control of the rotation, in particular of the connection of the first and second liquid materials to form a compound. In particular, the heat during the reaction per unit time can be determined by means of the detected respective instantaneous temperature and / or material quantity. Advantageously, the rotation can be controlled as a function of the respective instantaneous temperature and / or material quantity such that an excessive temperature, in particular exceeding a preset maximum temperature, is avoided.

[0039] In a further advantageous embodiment of the proposed method, the ampoule can be heated zone by zone in such a way that the solid material provided in the reservoir is converted into the liquid state by melting.

[0040] Advantageously, the heating of the ampoule can be carried out zone by zone, in particular section by section. Here, at least two different zones, in particular sections, of the ampoule can be heated at least temporarily differently. In particular, at least two reservoirs of the ampoule can be heated at least temporarily differently. If the two solid materials have different melting temperatures, the reservoirs can advantageously be heated separately at most to the lowest temperature required for melting the two solid materials, in particular the respective melting temperatures.

[0041] The zone-by-zone heating of the ampoule can advantageously be carried out simultaneously by means of multiple heat sources. For example, one of the two reservoirs containing a material including Cd can be selectively heated to a temperature of at least 321 °C. In addition, for example, one of the two reservoirs containing a material including Te can be selectively heated to a temperature of at least 450 °C.

[0042] By means of the zone-by-zone heating of the ampoule, it is possible to advantageously avoid excessive temperatures, in particular exceeding a preset maximum temperature.

[0043] In a further advantageous embodiment of the proposed method, after forming a compound of the first and second liquid materials in the first reservoir, the ampoule can be further heated to a temperature above the melting point of the compound. In addition, the compound can be solidified by cooling the ampoule, in particular directionally solidified.

[0044] If the CdTe material is formed as a compound consisting of two materials including Cd or Te, the ampoule can advantageously be heated to a temperature of at least 1100 °C during further heating, in particular to a temperature between 1100 °C and 1200 °C. Advantageously, the ampoule can be positioned during the directional solidification of the compound such that the longitudinal axis of the ampoule is oriented perpendicular to the vertical or at an acute angle to the vertical.

[0045] Cooling the ampoule can include supplying heat through at least one heat source to reduce or cut off the heat, especially continuously or in stages. In particular, the cooling of the ampoule can be carried out zone by zone along the longitudinal axis of the ampoule.

[0046] The proposed embodiment can advantageously achieve the solidification of the compound into a crystal structure, especially polycrystalline.

[0047] In a further advantageous embodiment of the proposed method, the ampoule can be rotated from an initial position to a target position. Here, the longitudinal axis of the ampoule can be oriented perpendicular to the vertical or at an acute angle to the vertical in the target position.

[0048] Advantageously, the ampoule, in particular the cavity including the first and second reservoirs within the surrounding wall of the ampoule, can have a substantially elliptical shape. Here, the longitudinal axis of the ampoule can represent the spatial direction of the ampoule along which the ampoule has the greatest spatial extent, such as the symmetry axis and / or the axis of rotation of the ellipsoid.

[0049] Advantageously, before the start of the method, especially before the start of rotation, the ampoule can be arranged in an initial position, especially an initial spatial position and / or orientation and / or alignment. During rotation, the ampoule can be rotated from the initial position to a target position. The target position can be preset for the spatial target position and / or target orientation and / or target alignment of the ampoule. Advantageously, the target position for the longitudinal axis of the ampoule can be preset to be arranged vertically or at an acute angle relative to the vertical line. The ampoule can advantageously be arranged in the target position after rotation. Here, the longitudinal axis of the ampoule can be arranged perpendicular or at an acute angle to the vertical line after rotation.

[0050] Since the longitudinal axis of the ampoule is substantially vertically oriented in the target position, the directional solidification of the compound parallel to the longitudinal axis of the ampoule can be advantageously achieved.

[0051] In a further advantageous embodiment of the proposed method, the ampoule can be rotated from the initial position to the target position. Here, the longitudinal axis of the ampoule can be oriented horizontally or at an acute angle to the horizontal line in the initial position.

[0052] Advantageously, before the start of the method, especially before the start of rotation, the ampoule can be arranged in an initial position, especially an initial spatial position and / or orientation and / or alignment. Advantageously, the initial position of the longitudinal axis of the ampoule can be preset to be arranged horizontally or at an acute angle, especially at an angle of 3 degrees, relative to the horizontal line. Here, the longitudinal axis of the ampoule can be arranged parallel or at an acute angle to the horizontal line before rotation.

[0053] The proposed embodiment can advantageously ensure that the first and second materials in a liquid state are mechanically separated in the corresponding reservoirs before the start of rotation of the ampoule.

[0054] In a further advantageous embodiment of the proposed method, during heating and / or rotation, an overpressure acting from the outside can be loaded onto the ampoule.

[0055] Preferably, the ampoule can be loaded with the overpressure acting from the outside during heating and / or rotation by means of a pressure element, such as a compressor. The pressure element can be configured to provide the overpressure. Here, the overpressure can be greater than the ambient pressure, especially normal air pressure, in the external environment of the ampoule before the loading. Advantageously, the overpressure provided by the pressure element can reduce the pressure difference between the pressures inside the ampoule, especially inside the first and / or second reservoirs, during heating and / or rotation. Thereby, damage to the ampoule caused by pressure during heating and / or rotation, especially rupture and / or bursting of the ampoule, can be advantageously prevented.

[0056] In a second aspect, the invention relates to an ampoule comprising a first and a second reservoir, a separating element and a passage element. Here, the first reservoir is configured to accommodate a first solid material. Furthermore, the second reservoir is configured to accommodate a second solid material. Furthermore, the separating element separates the first and second reservoirs from each other in a manner impermeable to the two materials in the solid state. Furthermore, the passage element connects the first and second reservoirs in a manner permeable to the two materials in the liquid state. Here, the ampoule can be heated such that the two materials can be transformed into the liquid state by melting. Furthermore, during the melting, the ampoule can be arranged such that the passage element is arranged above the upper edges of the two materials in the reservoirs. Furthermore, the ampoule is rotated such that the second liquid material flows from the second reservoir through the passage element into the first reservoir.

[0057] The advantages of the proposed ampoule essentially correspond to the advantages of the proposed method for manufacturing a compound. The features, advantages or alternative embodiments mentioned here can equally be transferred to other claimed subject matters and vice versa.

[0058] In a further advantageous embodiment of the ampoule, the passage element can be configured as an opening in the separating element.

[0059] In a further advantageous embodiment of the ampoule, the passage element can be made of a material having a melting point equal to or lower than the melting point of the second material. Here, the passage element can be configured to melt when the ampoule is heated to liquefy the first material and the second material, such that an opening permeable to the second liquid material is formed in the separating element.

[0060] In a further advantageous embodiment of the ampoule, the ampoule can be made of a material, in particular quartz glass, having a melting point higher than the melting point of tellurium, in particular higher than 450 °C.

[0061] The proposed embodiments can advantageously ensure that the ampoule can withstand mechanically and chemically the heating of the two materials in the respective reservoirs and the reaction of the two liquid materials into the compound.

[0062] In a third aspect, the invention relates to a manufacturing device comprising the proposed ampoule, a heating element and a rotating element. Here, the manufacturing device is configured to carry out the proposed method for manufacturing a compound. The heating element is configured to heat the ampoule such that the two materials can be transformed into the liquid state by melting. Furthermore, the rotating element is configured to hold and rotate the ampoule.

[0063] The advantages of the proposed manufacturing device basically correspond to the advantages of the proposed method for manufacturing a compound and the proposed ampoule. The features, advantages or alternative embodiments mentioned here can equally be transferred to other claimed subject matters and vice versa.

[0064] The heating element may include at least one heat source, in particular a plurality of heat sources. The at least one heat source may for example include an electrical heating element, in particular an incandescent filament and / or a gas burner. For example, the heating element may be configured as a furnace which can at least partially, in particular completely, accommodate the ampoule in a heatable cavity.

[0065] The rotating element may include a holding element for holding the ampoule, such as a tripod and / or a holding clip. In particular, the holding element may be configured to hold the ampoule within the heating element. The ampoule may be at least partially, in particular completely, arranged within the heating element in the operating state of the manufacturing device. The holding element may additionally be configured to hold the heating element. Furthermore, the rotating element may include at least one rotating hinge for rotating the holding element about a preset axis of rotation. In addition, the rotating element may include in particular an electric motor for semi-automatically or automatically rotating the holding element.

[0066] According to a first embodiment, the rotating element may be configured to rotate the ampoule within the heating element, in particular relative to the heating element. Alternatively, the rotating element may be configured to rotate the assembly including the ampoule and the heating element. In particular, the rotating element may be configured to rotate the furnace in which the ampoule is arranged in the operating state of the manufacturing device.

[0067] In a further advantageous embodiment of the manufacturing device, the manufacturing device may further include a sensor element configured to detect the instantaneous amount of material and / or the instantaneous temperature of the first and / or second material in the first and / or second reservoir. In addition, the rotating element may be configured to control the rotation of the ampoule based on the instantaneous amount of material in the first and / or second reservoir and / or the instantaneous temperature of the first and / or second material.

[0068] In a further advantageous embodiment of the manufacturing device, the manufacturing device may further include a pressure element configured to apply an externally acting overpressure to the ampoule during heating and / or rotation.

[0069] In a fourth aspect, the invention relates to a compound obtainable by the proposed method for manufacturing a compound.

[0070] The advantages of the proposed compound basically correspond to the advantages of the proposed method for manufacturing a compound. The features, advantages or alternative embodiments mentioned here can equally be transferred to other claimed subject matters and vice versa.

[0071] In a fifth aspect, the present invention relates to the use of the proposed compounds in X-ray detectors.

[0072] The X-ray detector can be configured to detect X-rays emitted by an X-ray source. The X-ray detector can include a directly converting (semiconductor) X-ray detector layer. Here, the X-ray detector layer can include the proposed compounds, for example having CdTe, CdZnTe, CdTeSe, CdZnTeSe or CdMnTe as semiconductor materials. In addition, the X-ray detector layer can include a layer with an analog-to-digital converter, on which the X-ray detector layer is applied, where the A / D converter layer can be implemented in one or more ASICs.

[0073] The advantages of the proposed use basically correspond to the advantages of the proposed compounds. The features, advantages or alternative embodiments mentioned here can likewise be transferred to other claimed subject matters and vice versa. BRIEF DESCRIPTION OF THE DRAWINGS

[0074] Embodiments of the present invention are shown in the figures and described in more detail below. In the different figures, the same reference numerals are used for the same features. Shown:

[0075] Figure 1 and Figure 2 Schematic diagrams showing different embodiments of the proposed method for manufacturing the compounds,

[0076] Figures 3 to 6 Schematic diagrams showing the proposed ampoules at different stages of the proposed method for manufacturing the compounds,

[0077] Figure 7 and Figure 8 Schematic diagrams showing different embodiments of the proposed manufacturing apparatus,

[0078] Figure 9 Schematic diagram showing a CT device having an X-ray detector including the proposed compounds. DETAILED DESCRIPTION

[0079] Figure 1Schematic diagram showing advantageous embodiments of the proposed method for manufacturing a compound. In a first step, a first solid material can be provided in a first reservoir of an ampoule PROV-M1. In a further step, a second solid material can be provided in a second reservoir of the ampoule PROV-M2. Here, the second solid material can be different from the first solid material. In addition, the ampoule can have a separating element that separates the first and second reservoirs from each other in a manner impermeable to the two materials in the solid state. In addition, the ampoule can have a passage element that connects the first and second reservoirs in a manner permeable to the two materials in the liquid state. In a further step, the ampoule can be heated EW so that the two materials are converted into a liquid state by melting. Here, during the melting, the ampoule can be arranged such that the passage element is above the upper edges of the two materials in the reservoirs. In a further step, the ampoule can be rotated ROT such that the second liquid material flows from the second reservoir through the passage element into the first reservoir. Here, the first liquid material and the second liquid material in the first reservoir can form the compound.

[0080] Advantageously, the ampoule can be rotated ROT from an initial position to a target position. Here, the longitudinal axis of the ampoule can be oriented perpendicular or at an acute angle to the vertical in the target position. In addition, the longitudinal axis of the ampoule can be oriented horizontally or at an acute angle to the horizontal line in the initial position.

[0081] Advantageously, the first material can include cadmium and the second material can include tellurium, or the first material can include tellurium and the second material can include cadmium.

[0082] Advantageously, the passage element can be configured as an opening in the separating element. Alternatively, the passage element can be made of a material having a melting point equal to or lower than that of the second material. Here, the passage element can melt when the ampoule is heated, so that an opening permeable to the second liquid material is formed in the separating element.

[0083] Advantageously, the separating element can be introduced into the ampoule after the first solid material has been provided in the first reservoir and before the second solid material has been provided in the second solid reservoir. Advantageously, the ampoule can be rotated according to the instantaneous material quantity in the first and / or second reservoir and / or the instantaneous temperature of the first and / or second material. In addition, the ampoule can be heated zone by zone so that the solid material provided in the reservoir is converted into a liquid state by melting.

[0084] Advantageously, during heating EW and / or rotation ROT, an externally acting overpressure can be applied to the ampoule.

[0085] Figure 2Schematic illustration of a further advantageous embodiment of the proposed method for manufacturing a compound. Here, after the compound of the first and second liquid materials is formed in the first reservoir, the ampoule can be further heated EW2 to a temperature above the melting point of the compound. Thereafter, by cooling the ampoule, the compound can be solidified GE, in particular directionally.

[0086] Figures 3 to 6 Schematic illustration of the proposed ampoule A in different stages of the proposed method for manufacturing a compound.

[0087] The ampoule A can include a first reservoir R1 and a second reservoir R2, a separating element TE, and a passage element DE. In addition, the first reservoir R1 can be configured to accommodate a first solid material M1.S. In addition, the second reservoir R2 can be configured to accommodate a second solid material M2.S. Here, the separating element TE can separate the first reservoir R1 and the second reservoir R2 from each other in a manner that is impermeable to the two materials in the solid state M1.S, M2.S. The passage element DE can connect the first reservoir R1 and the second reservoir R2 in a manner that is permeable to the two materials in the liquid state M1.F, M2.F. The ampoule A can be heated such that the two materials M1.S and M2.S can be transformed into the liquid state by melting. In addition, during the melting, the ampoule A can be arranged such that the passage element DE is arranged above the upper edges OK of the two materials M1.F and M2.F in the reservoirs R1 and R2. In addition, the ampoule A can be rotated such that the second liquid material M2.F flows from the second reservoir R2 into the first reservoir R1 through the passage element DE.

[0088] Advantageously, the passage element DE can be configured as an opening in the separating element TE. The ampoule can be made of a material, in particular quartz glass, which has a melting point higher than the melting point of tellurium.

[0089] In Figure 3 In the stage of the proposed method schematically shown, the two materials M1.S and M2.S in the solid state can be provided PROV-M1, PROV-M2 to the corresponding reservoirs R1 and R2 of the ampoule A. In addition, the longitudinal axis L of the ampoule A can be oriented horizontally or at an acute angle to the horizontal line in the initial positioning.

[0090] In Figure 4 In the stage of the proposed method schematically shown, the ampoule A can be heated EW such that the two materials M1.F and M2.F are transformed into the liquid state by melting.

[0091] In Figure 5 and Figure 6In a stage of the proposed method schematically shown, the ampoule A can be rotated, in particular about a rotation axis perpendicular to its longitudinal axis L, such that the second liquid material M2.F flows from the second reservoir R2 through the passage element DE into the first reservoir R1. Furthermore, in Figure 6 it is shown that the first liquid material M1.F and the second liquid material M2.F can react to form a compound V in the first reservoir R1.

[0092] Figure 7 A schematic view of an advantageous embodiment of the proposed manufacturing device is shown. The manufacturing device can include an ampoule A, a heating element HE, and a rotating element RE. Advantageously, the manufacturing device can be configured to implement a method for manufacturing the compound V. The heating element HE can be configured to heat the ampoule A such that the two materials M1.S and M2.S can be converted into a liquid state by melting. Furthermore, the rotating element RE can be configured to hold the ampoule A and rotate the ampoule.

[0093] The manufacturing device can further include a processing unit PRVS. Advantageously, the manufacturing device can further include a sensor element S configured to detect the instantaneous material quantity and / or the instantaneous temperature of the first and / or second materials in the first reservoir R1 and / or the second reservoir R2. The processing unit PRVS can be configured to receive a signal SIG.S from the sensor element, the signal having information about the respective instantaneous temperature and / or material quantity detected by the sensor element. Furthermore, the rotating element RE can be configured to control the rotation ROT of the ampoule A based on the instantaneous material quantity and / or the instantaneous temperature of the first and / or second materials in the first reservoir R1 and / or the second reservoir R2. For this purpose, the processing unit PRVS can be configured to provide a corresponding signal SIG.RE to the rotating element RE.

[0094] The heating element HE can include at least one heat source, in particular a plurality of heat sources. The heating element HE can in particular include two heat sources HE1 and HE2 configured to heat the first reservoir R1 and the second reservoir R2 zone by zone. The processing unit PRVS can be configured to supply signals SIG.HE1 and SIG.HE2 to the heat sources HE1 and HE2 respectively to control the heating EW of the ampoule A.

[0095] Advantageously, the manufacturing device can further include a pressure element PE configured to apply an externally acting overpressure to the ampoule A during heating EW and / or rotation ROT. The processing unit PRVS can be configured to provide a signal SIG.PE for controlling the overpressure applied to the pressure element PE.

[0096] The rotating element RE may include a holding element for holding the ampoule A, such as a tripod and / or a holding clip. In particular, the holding element may be configured to hold the ampoule A within the heating element HE. The ampoule A may be arranged at least partially, in particular completely, within the heating element HE in the operating state of the manufacturing device. Furthermore, the rotating element may include a motor, in particular an electric motor, for semi-automatically or automatically rotating the ampoule A. Advantageously, the rotating element RE may be configured to rotate the ampoule A within the heating element HE, in particular relative to the heating element HE.

[0097] Figure 8 A schematic illustration of a further advantageous embodiment of the proposed manufacturing device is shown. Here, the holding element of the rotating element RE can additionally be configured to hold the heating element HE. Furthermore, the rotating element RE can be configured to rotate a component including the ampoule A and the heating element HE.

[0098] Figure 9 A schematic illustration of an advantageous embodiment of a medical CT device 33 is shown, including an X-ray source 37, an X-ray detector D, and a processing unit PRVS. Here, the X-ray source 37 and the X-ray detector D can be arranged opposite one another. The X-ray source 37 can be configured to irradiate the X-ray detector D with X-ray radiation along the X-ray radiation incidence direction. The X-ray detector D can include a directly converting (semiconductor) X-ray detector layer. Here, the X-ray detector layer can include the proposed compound V, for example having CdTe, CdZnTe, CdTeSe, CdZnTeSe, or CdMnTe as a semiconductor material. Furthermore, the X-ray detector layer can include a layer having an analog-to-digital converter, on which the X-ray detector layer is applied, wherein the A / D converter layer can be implemented in one or more ASICs.

[0099] The CT device 33 can also include a gantry 32 having a rotor 35. The X-ray source 37 and the X-ray detector D can be arranged in a defined arrangement on the rotor 35, in particular integrated into the rotor 35 or fastened to the rotor 35. The rotor 35 can be rotatably supported about a rotation axis 43. The examination object 39 to be imaged can be supported on a patient table 41 and can move through the gantry 32 along the rotation axis 43. To control the CT device 33 and to calculate cross-sectional images or volume images of the examination object 39, the processing unit PRVS can be used. An input device 47 (such as a keyboard) and an output device 49 (such as a screen and / or a display) can be connected to the processing unit PRVS, in particular signal-technologically coupled. The input device 47 can advantageously be integrated into the output device 49, for example integrated into an input display that is in particular resistive and / or capacitive.

[0100] The schematic illustrations included in the described figures do not depict any scale or dimensional relationships.

[0101] Finally, it should be pointed out again that the methods described in detail above and the devices shown are only examples, which can be modified in different ways by those skilled in the art without departing from the scope of the present invention. In addition, the use of the indefinite article "a" or "an" does not exclude the possibility that the features involved may also exist multiplicatively. Similarly, the terms "unit" and "element" do not exclude the fact that the components involved are composed of a plurality of cooperating sub-components, which may also be spatially distributed if necessary.

[0102] In the context of the present application, the expression "based on" can be understood in particular in the sense of the expression "using". In particular, the expression that the first feature is generated (alternatively, obtained, determined, etc.) based on the second feature does not exclude the possibility that the first feature is generated (alternatively, obtained, determined, etc.) based on the third feature.

Claims

1. A method for producing compound (V), include: providing (PROV-M1) a first solid material (M1.S) in a first reserve (R1) of an ampoule (A), providing (PROV-M2) a second solid material (M2.S) in a second reserve (R2) of said ampoule (A), wherein the second solid material (M2.S) is different from the first solid material (M1.S), wherein the ampoule (A) has a separation element (TE) which separates the first reserve portion (R1) and the second reserve portion (R2) from each other in a manner that is impermeable to the two materials in a solid state (M1.S, M2.S), The ampoule (A) has a through element (DE) which connects the first storage part (R1) and the second storage part (R2) in a manner that is permeable to the two materials in a liquid state (M1.F, M2.F). heating (EW) the ampoule (A) so that the two materials are transformed into a liquid state (M1.F, M2.F) by melting, wherein the ampoule (A) is arranged during the melting so that the passage element (DE) is arranged above the upper edges of the two materials (M1.F, M2.F) in the reservoirs (R1, R2), rotating (ROT) the ampoule so that the second liquid material (M2.F) flows from the second reserve portion (R2) through the passage element (DE) into the first reserve portion (R1), The first liquid material (M1.F) and the second liquid material (M2.F) in the first reservoir (R1) form the compound (V).

2. The method according to claim 1, wherein the first material comprises cadmium and the second material comprises tellurium, or Wherein the first material comprises tellurium and the second material comprises cadmium.

3. The method according to claim 1 or 2, The passage element (DE) is designed as an opening in the separating element (TE).

4. The method according to claim 1 or 2, wherein said passing element (DE) is made of a material having a melting point equal to or lower than that of said second material, The through-element (DE) melts when the ampoule (A) is heated (EW), thereby forming an opening in the separating element (TE) which is permeable to the second liquid material (M2.F).

5. The method according to any one of the preceding claims, The separating element (TE) is introduced into the ampoule (A) after providing (PROV-M1) the first solid material (M1.F) into the first reserve (R1) and before providing (PROV-M2) the second solid material (M2.F) into the second reserve (R2).

6. The method according to any one of the preceding claims, The ampoule (A) is rotated (ROT) as a function of the instantaneous amount of material in the first reserve (R1) and / or the second reserve (R2) and / or the instantaneous temperature of the first material and / or the second material.

7. The method according to any one of the preceding claims, The ampoule (A) is heated (EW) zone by zone, so that the solid material (M1.S, M2.F) provided in the reservoir (R1, R2) is converted into a liquid state by melting.

8. The method according to any one of the preceding claims, wherein after the compound (V) of the first liquid material (M1.F) and the second liquid material (M2.F) is formed in the first reserve (R1), the ampoule (A) is further heated (EW2) to a temperature higher than the melting point of the compound (V), The compound (V) solidifies (GE), in particular directionally solidifies, by cooling the ampoule.

9. The method according to any one of the preceding claims, wherein the ampoule (A) is rotated (ROT) from an initial position to a target position, In the target orientation, the longitudinal axis (L) of the ampoule (A) is oriented perpendicular to the vertical or at an acute angle to the vertical.

10. The method according to any one of the preceding claims, wherein the ampoule (A) is rotated (ROT) from an initial position to a target position, In this case, in the initial positioning, the longitudinal axis (L) of the ampoule (A) is oriented horizontally or at an acute angle to the horizontal.

11. The method according to any one of the preceding claims, During the heating (EW) and / or the rotation (ROT), the ampoule (A) is subjected to an externally applied overpressure.

12. An ampoule (A), comprising a first reserve portion (R1), a second reserve portion (R2), a separation element (TE) and a passing element (DE), wherein the first reserve (R1) is configured to contain a first solid material (M1.S), wherein the second reserve (R2) is configured to accommodate a second solid material (M2.S), wherein the separation element (TE) separates the first reserve (R1) and the second reserve (R2) from each other in a manner that is impermeable to the two materials in the solid state (M1.S, M2.S), wherein the through element (DE) connects the first reserve (R1) and the second reserve (R2) in a manner that is permeable to the two materials in the liquid state (M1.F, M2.F), wherein said ampoule (A) can be heated (EW) so that said two materials can be transformed into said liquid state by melting, wherein the ampoule (A) can be arranged during the melting so that the passage element (DE) is arranged above the upper edges of the two materials (M1.F, M2.F) in the reservoirs (R1, R2), The ampoule (A) can be rotated so that the second liquid material (M2.F) flows from the second reservoir (R2) through the passage element (DE) into the first reservoir (R1).

13. The ampoule (A) according to claim 12, The passage element (DE) is designed as an opening in the separating element (TE).

14. The ampoule according to claim 12, wherein said passing element (DE) is made of a material having a melting point equal to or lower than that of said second material, The through element (DE) is configured to melt when the ampoule (A) is heated (EW) to liquefy the first material and the second material, so that an opening permeable to the second liquid material (M2.F) is formed in the separation element (TE).

15. The ampoule according to any one of claims 12 to 14, The ampoule (A) consists in this case of a material, in particular quartz glass, which has a melting point above the melting point of tellurium.

16. A manufacturing device comprising an ampoule according to any one of claims 12 to 15, a heating element (HE) and a rotating element (RE), wherein the manufacturing device is configured to implement the method according to any one of claims 1 to 11, wherein the heating element (HE) is configured to heat (EW) the ampoule (A) so that the two materials can be transformed into a liquid state by melting, in, The rotating element (RE) is configured to hold and rotate the ampoule (A).

17. The manufacturing device according to claim 16, further comprising a sensor element (S), which is configured to detect an instantaneous amount of material in the first reserve (R1) and / or the second reserve (R2) and / or an instantaneous temperature of the first material and / or the second material, The rotating element (RE) is configured to control the rotation (ROT) of the ampoule (A) according to the instantaneous amount of material in the first reserve (R1) and / or the second reserve (R2) and / or the instantaneous temperature of the first material and / or the second material.

18. The production device according to claim 16 or 17, further comprising a pressure element (DE) which is designed to apply an externally acting overpressure to the ampoule (A) during the heating (EW) and / or the rotation (ROT).

19. A compound (V) obtainable by the process according to any one of claims 1 to 11.

20. Use of the compound (V) according to claim 19 in an X-ray detector (D).

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