70results about How to "Uniform sputtering" patented technology

A small magnet assembly is scanned in a retrograde planetary or epicyclic path about the back of a target being plasma sputtered including an orbital rotation about the center axis of the target and a planetary rotation about another axis rotating about the target center axis. The magnet assembly passes through the target center, thus allowing full target coverage. A properly chosen ratio of the two rotations about respective axes produces a much slower magnet velocity near the target periphery than at the target center. A geared planetary mechanism includes a rotating drive plate, a fixed center gear, and an idler and a follower gear rotatably supported in the drive plane supporting a cantilevered magnet assembly on the side of the drive plate facing the target. A belted planetary mechanism includes a fixed center capstan, a follower pulley supporting the magnet assembly, and a belt wrapped around them.

The invention provides a Cr-Cr nanometer composite metal ceramic coating as well as a preparation method and device thereof. The coating is provided with a Cr diffusion layer, a Cr bonding layer, a Cr transition layer, a CrNx supporting layer, a Cr/CrN corrosion-resistant layer and a Cr decoration layer, wherein the CrNx supporting layer satisfies 0<=x<1; the Cr/CrN corrosion-resistant layer is an alternating layer of Cr layers and CrN layers and provided with at least one layer of Cr layer and one CrN layer. The coating provided by the invention has gradual changes of structure and composition, good interlayer bonding and excellent corrosion resistance and comprehensive properties.

The invention provides a novel plane magnetron sputtering cathode. The plane magnetron sputtering cathode comprises a target material, a backboard, a magnet device and a magnetic conductive plate. The target material is arranged at one side of the backboard, and the magnetic conductive plate is arranged at the other side of the backboard. The magnet device is arranged between the backboard and the magnetic conductive plate. The magnet device comprises a middle magnet and an outer ring magnet surrounding the middle magnet. The middle magnet comprises at least two electromagnets. The polarities of magnetic poles, facing the target material, of the outer ring magnet and the middle magnet are opposite. The plane magnetron sputtering cathode further comprises an electromagnet power source. The electromagnet power source is connected with the at least two electromagnets and supplies power to the at least two electromagnets in sequence so that magnetic field distribution between the outer ring magnet and the middle magnet can be changed continuously. By implementing the novel plane magnetron sputtering cathode, the target material utilization rate can be effectively increased, pollution to the target material is prevented, and stability of the sputtering speed is improved. In addition, the plane magnetron sputtering cathode provided by the invention has the characteristics of being simple in structure, easy to control and high in reliability.

The invention relates to a magnetic confinement magnetron sputtering method and a magnetron sputtering device prepared by use of the same. As the prior art adopts a balanced magnetron sputtering mode and an unbalanced magnetron sputtering mode, the target material utilization rate can only be raised to be between 20 and 35 percent even if permanent magnet movement or the transformation of a plurality of electromagnetic coil sets is adopted, and the prior art has the problems of complex structure and high processing cost. The magnetic confinement magnetron sputtering method forms a magnetic confinement magnetic field with the overall direction parallel to a target surface above the surface of a sputtering target. The magnetron sputtering device manufactured by use of the method comprises a magnet, a magnetic conductor, a substrate and the sputtering target, wherein contrary magnetic poles of the magnet are oppositely fixed on the sides of the sputtering target; the magnetic confinement magnetic field generated by the magnet is positioned between the substrate and the sputtering target, and a connecting line of the two magnetic poles is parallel to the target surface. The magnetron sputtering device can effectively overcome the problem that the prior art is low in target material utilization rate and deposition rate.

The invention provides a copper target material as well as a preparation method and application thereof. The grain size in the copper target material is smaller than or equal to 10 [mu] m, and the proportion of grains with the grain orientation being {110} in the copper target material is 50% -70%. The copper target material is applied to sputtering film forming of an integrated circuit, it can be guaranteed that the performance of the copper target material is stable in the sputtering process, a uniform thin film is formed on the integrated circuit, and the requirement for the sputtering performance below a 7 nm process node is met. The preparation method of the copper target material comprises the step of sequentially carrying out hot forging, first heat treatment, cold forging, second heat treatment, first static pressing, second static pressing and rolling on a copper cast ingot. The preparation method is simple and high in work efficiency.

Apparatuses and methods for high-deposition-rate sputtering for depositing layers onto a substrate are disclosed. The apparatuses generally comprise a process chamber; one or more sputtering sources disposed within the process chamber, wherein each sputtering source comprises a sputtering target; a substrate support disposed within the process chamber; a shield positioned between the sputtering sources and the substrate, the shield comprising an aperture positioned under each sputtering source; and a transport system connected to the substrate support capable of positioning the substrate such that one of a plurality of site-isolated regions on the substrate can be exposed to sputtered material through the aperture positioned under each of the sputtering sources; wherein the spacing between the sputtering target and the substrate is less than 100 mm. The apparatus enables high deposition rate sputtering onto site-isolated regions on the substrate.

A sputtering apparatus which does not spoil the non-corrosive area on the target and gives uniform film during the reactive sputtering process is disclosed. The sputtering apparatus 2 comprises:(a) supplying a space to set more than three targets 241 in the vacuum chamber 21. (b)using alternating current power supply E1~E3 to alternatively charge each target 241 with negative potential and positive potential or with the ground potential, which is characterized by using at least one of branched outputs of the alternating current power supply E1~ E3 to connect more than two of targets 241, and placing the switches SW1~ SW3 which are the switches to control charging potential to targets from alternating current supply between targets 241 connected by branched outputs.

The invention relates to a preparation method of ITO (indium tin oxide) thin film. The method comprises the following steps: placing a substrate in a chamber, and setting a distance between a target and the substrate to be 56-65mm; carrying out vacuumizing treatment and heating treatment on the chamber to enable the temperature of the substrate to be 285-328 DEG C; introducing argon gas into the chamber, adjusting the vacuum degree of the chamber to be 3.9-5.1mTorr, and setting sputtering power to be 68-82W; continuing to introduce oxygen gas into the chamber, and adjusting the flow ratio of the argon gas to the oxygen gas to be (33 to 1)-(38 to 1); forming the ITO thin film on a surface of the substrate by using a magnetron sputtering method. According to the preparation method of the ITOthin film, the prepared ITO thin film has good film thickness uniformity through adjustment and cooperation of various process parameters at relatively low sputtering power.

The invention discloses a protein product capable of fixing a target object and being removed as required. The protein product comprises a protein (lysozyme, bovine serum albumin, whey albumin, insulin, alpha-lactalbumin, fibrinogen, ribonuclease A, cytochrome c, alpha-amylase, horse radish peroxidase, pepsase, myoglobin, collagen, keratin or the like), a protein modifier (a strong oxidant or a strong reducing agent), and a target fixture (a paint, a pesticide, a chemical fertilizer, a cosmetic, a medical drug or the like). According to the invention, a protein membrane generated by protein phase transformation is used for fixing the target fixture on a target surface, so the utilization rate of the target fixture is improved, and the problems of resource waste, environmental pollution andthe like caused by loss of the target fixture are reduced. In addition, as the protein membrane is decomposed, the target fixture can also be effectively removed. The main component, namely the protein is safe and environment-friendly, biocompatibility is high, a preparation method is simple, and the protein product has wide prospects in practical application.

The invention belongs to the technical field of film coating, and particularly relates to a film coating system for depositing metal on the plastic substrate surface on the basis of the glow dischargeprinciple. The film coating system comprises a box body, a motor and a bearing device; the bearing device is driven by the motor and comprises a lower supporting plate, a shear fork mechanism and anupper supporting plate, and the shear fork mechanism is composed of a group of material rods which are hinged to one another; one end of the bottom of the shear fork mechanism is hinged to the lower supporting plate, and a roller rotatably connected to the other end of the bottom of the shear fork mechanism can slide in a sliding groove formed in the lower supporting plate; the top of the shear fork mechanism is hinged to one end of the upper supporting plate, and the top of the shear fork mechanism is slidably connected with the other end of the upper supporting plate; each material rod comprises an upper material rod, a middle material rod and a lower material rod, and the middle material rods can relatively rotate; and a first air cylinder is used for pushing the roller to slide in thesliding groove. According to the film coating system for depositing the metal on the plastic substrate surface on the basis of the glow discharge principle, through cooperation of the shear fork mechanism and the material rods, a workpiece can rotate when sputtering coating is conducted, therefore, a coating film of the coated workpiece is uniform, and then the film coating effect of a sputteringcoating device is improved.

The invention provides a sputtering tray and sputtering jigs. The sputtering tray is positioned under target material in a sputtering chamber, and the jigs containing products to be sputtered are placed on the sputtering tray. The sputtering tray comprises a tray body and a plurality of supporting structures arranged on the tray body, wherein the supporting structures are provided with supportingsurfaces used for making the jigs placed on the supporting structures incline towards the central axis of the tray body, and the heights of the sides, away from the central axis, of the supporting surfaces are higher than the heights of the sides, close to the central axis, of the supporting surfaces, so that the contact probability of knocked target atoms with the side surfaces of the products, close to the edges of the tray body, on the jigs is increased, and the uniform film thicknesses of the sputtered products are ensured.

The invention relates to a device and a method for preparing a glow discharge sputtering sample for microscopic characterization of a material. The device comprises a glow discharge sputtering unit, aglow discharge energy supply source, an automatic gas circuit control unit, a spectrograph and a computer, wherein a glow discharge sputtering unit structure is more suitable for sample preparation through simulation optimization, and uniform sample sputtering on the surface of a sample in a large-size range is realized by applying a magnetic field to glow plasma; and the spectrograph is used formonitoring element spectral signals in the sputtering depth direction of the sample so as to realize accurate preparation of tissue structures of different layers. By combining the sample position mark and the acquisition of accurate space coordinate (x, y, z) information, the correspondence between the space coordinate of the sample preparation surface and the tissue structure is realized. Thus,large-size flat preparation of the sample at the millimeter-cm level can be achieved, no damage is caused to the material tissue structure, layer-by-layer preparation can be conducted in the depth direction of the surface of the sample, preparation is rapid, and the cost is low.

The invention relates to the field of production of solar cells, in particular to a method for depositing a back electrode in solar cell production. The method is implemented by special magnetron sputtering equipment for sputtering the back electrode on the back face of a solar cell by the following steps of: firstly, introducing two cell slices into a buffer cabin every time through a slice inlet platform under the driving action of a conveying guide rail on which a cell slice suspension box is hung, and making the cell slices continually move forward into two heating cabins in turn, wherein the heating temperature of one heating cabin into which the cell slices moves earlier is 35 DEG C, the heating temperature of the other second heating cabin into which the cell slices moves later is 50 DEG C, and the temperature is up to 50 DEG C after twice heating; and making the cell slices enter a sputtering cabin, uniformly sputtering an Al layer serving as the back electrode in the sputtering cabin by a magnetron sputtering principle, discharging the cell slices out of the cabin, and making the cell slices enter next equipment through a buffer cabin and a cell slice outlet platform, wherein a vacuum system connected to each cabin through a vacuum pipeline is used for controlling the vacuum value of each cabin, and a valve is used for partitioning each cabin into relatively independent spaces, so that the aim of sputtering the back electrode of the solar cell is fulfilled.

The invention belongs to the technical field of film coating, and particularly relates to a surface film coating device based on a PVD technology. The surface film coating device comprises a shell, target materials, a motor, a connecting shaft, a lower supporting disc, ejector pins, a friction wheel, friction belts, an extrusion ring and a driven supporting module, wherein the friction wheel is fixedly connected to the upper end of the connecting shaft; a cylindrical groove in the lower supporting disc is internally and fixedly connected to the outer side surface of the extrusion ring; and a group of hemispherical protrusions are uniformly arranged on the inner side of the extrusion ring. According to the surface film coating device, surfaces of discs at the lower ends of the ejector pinsare in contact with a cylindrical surface of the friction wheel, the hemispherical protrusions on the extrusion ring and the discs at the lower ends of the ejector pins are arranged in a staggered mode, the friction belts are arranged between the extrusion ring and the discs at the lower ends of the ejector pins, the driven supporting module is arranged at the upper end of the shell, and thereforea to-be-coated workpiece on the lower supporting disc can rotate around the connecting shaft and auto-rotate around the ejector pins, so that the surface of the to-be-coated workpiece uniformly receives ions impacting from the target materials, and then the surface of a shaft part is uniformly sputtered.

The invention relates to the technical field of mobile phone shell film coating, in particular to a vacuum film coating method for an outer surface of a mobile phone shell, which completes the film coating work of the mobile phone shell through polishing treatment, cleaning and dust removal, drying and vacuum film coating; and meanwhile, a sputtering target can uniformly sputter a coating layer on the mobile phone shell through corresponding vacuum coating equipment, so that the quality of the mobile phone shell is improved.