125results about How to "Unchanged thickness" patented technology

The invention discloses a fingerprint recognition device, a touch screen with the same and a terminal device. The fingerprint recognition device includes a cover plate and a fingerprint recognition module. The cover plate includes a first surface and a second surface, wherein a recognition groove is formed in the first surface and is used for positioning the fingerprint recognition area. The fingerprint recognition module includes a fingerprint sensor, wherein the fingerprint sensing end of the fingerprint sensor is close to the second surface and is used for sensing fingerprints on the first surface. The recognition groove formed in the first surface corresponds to the fingerprint sensor mounted on the second surface, so the distance between the fingerprint recognition module and the first surface can be reduced. When the fingerprint recognition module recognizes fingerprints, influence on sensitivity of the fingerprint sensor by the thickness of the cover plate is avoided, and recognition accuracy of the fingerprint recognition module is improved as the recognition groove is used for positioning. In addition, the area corresponding to the fingerprint recognition module in the first surface is arranged on the recognition groove and the thickness of other parts of the cover plate keeps unchanged, so the strength of the cover plate is ensured.

The invention discloses a method for preparing a graduated color film through a magnetron sputtering machine. The method comprises the following steps that S1, an optical film system is designed; S2,a baffle is designed, and the shape of the baffle is designed according to thickness change of an optical thin film structure simulated by software; S3, vacuum coating is conducted; and S4, color andoptical performance examination is conducted, the color LAB value, visible light reflectivity curve and visible light transmittance curve of a product obtained after vacuum coating are detected, if the test result is qualified, mass production preparation can be made, and if the test result is unqualified, operation returns to the step S1. A transition area of a graduated color film prepared withthe method is natural in gradual color change, the product color is easy to adjust, and graduated color films of different colors and visual effects can be prepared according to user preparations. Compared with electric beam evaporation deposition, a film layer prepared with the magnetron sputtering machine is compact in structure, the refractive index is stable, the film layer is more stable in optical performance, and thus color stability is better.

The present invention discloses a kind of artificial tissue engineering biological cornea. The present invention utilizes homogeneous and xenogenous or heterogeneous cornea substrate as carrier, which may be preprocessed, and plants and cultures cells on it to constitute engineering biological cornea. The cornea constituted with the carrier has very low immunogenicity, unchanged thickness and diopter after transplantation, grown autogenous nerve, mostly restored cornea aesthesia, firmly adhered epithelium and normal connection between the cells and between the cell and the substrate membrane.

PROBLEM TO BE SOLVED: To form the anodically oxidized films of the row of zip teeth of a fastener chain to arbitrary thicknesses while preventing the defects of energization and contact.SOLUTION: The forming apparatus 1 has an external energizing section 8 for electrically and directly energizing an electrode plate 4a disposed in an electrolyte of a first electrolytic cell 2a and a chain introducing section 5 to each other and a plurality of energizing sections 9 for energizing two sets a pair of adjacent electrode plates 4 within the second and subsequent electrolytic cells 2 to each other across the electrolyte and the fastener chain F. While the fastener chain is successively wrapped around a plurality of rollers 3 and 7 and is transferred zigzag, the tooth trains of the fastener chain are directly energized through the energizing yarn of the fastener chain by the external energizing section. The two sets a pair of the second and subsequent electrode plates are energized to each other in the bath by the energizing sections. The anodically oxidized films having the arbitrary film thicknesses are formed by changing the number of the passage stages to the second and subsequent electrolytic cells, the energizing quantity in the arbitrary electrolytic cells, etc.

The invention relates to a stirring head capable of enhancing a mechanical property of a stirring friction connecting area. The stirring head mainly comprises an integrated stirring needle (1), a detachable shaft shoulder (2) and a holding handle (3), and is characterized in that the integrated stirring needle (1) is formed by integrally connecting a column (1-4) to a conical head (1-5); a storage chamber (1-1) is arranged at the upper end of the column (1-4); a conveying hole (1-2) is formed at the center of the column (1-4); a radial spraying hole (1-3) which is communicated with the conveying hole (1-2) is formed on the conical head (1-5); the detachable shaft shoulder (2) is sleeved on the column (1-4); a lower end face of the detachable shaft shoulder (2) is resisted against an upperend face of the conical head (1-5); an upper end of the detachable shaft shoulder (2) is resisted against a lower end of the holding handle (3); a main body of an extruding piston (3-1) is inserted into the storage chamber (1-1); and the other end of the extruding piston (3-1) is connected to a force exerting device (3-2) in the form of extending out of the holding handle (3). The stirring head provided by invention can reduce the phenomena of substrate-thinning and flashing during a friction welding process and can obviously promote the mechanical property of a welded piece.

The invention discloses a compound sound insulation-absorption barrier board, comprising a front panel, a rear panel and a core material fixed between the front panel and the rear panel in a bonding manner, wherein, the core material is arranged in a strip shape, and the fiber direction of the core material is vertical to the front panel and the rear panel; multi-tongue rabbets are arranged at the two sides of the compound sound insulation-absorption barrier board at the joint of the front panel and the rear panel and can be spliced mutually; the front panel is a perforating panel; micropores are distributed on the perforating panel, wherein, the perforated rate of the micropores is more than 3% to 30%; the porosity of the core material is 97-98.4%; the average diameter of the fiber is 5-6 micrometers; the fiber length is 150-200 micrometers; and the noise enters into the core material through the micropores and is absorbed along the fiber direction of the core material. The compound sound insulation-absorption barrier board disclosed in the invention has the advantages of absorbing the noise in the environment, simultaneously insulating the noise, and avoiding the influence of the noise to the surrounding environment.

The invention discloses an asymmetric inverse waveguide large optical cavity semiconductor laser structure, belonging to the technical field of semiconductor photo-electronic devices. Electro-optic efficiency and output power of the laser are limited as the known technology in the field is difficult to reduce series resistance and carrier leakage while reducing optical limiting factors of a laser waveguide, increasing effective waveguide width and reducing waveguide loss. The waveguide layer of the asymmetric inverse waveguide large optical cavity semiconductor laser adopts an asymmetric inverse linear graduated refractive index structure, so that the optical limiting factor of the laser waveguide is decreased efficiently, effective waveguide width is increased, carrier absorption loss and series resistance of the waveguide are reduced, and meanwhile the leakage of quantum well carriers is avoided. The technical scheme can be applied to manufacturing of various types of high-power semiconductor lasers.

The invention provides a display backplane and a manufacturing method thereof, a display panel and a display device. The display backplane comprises a substrate, a first shading layer, a first thin film transistor, a first film layer and a third electrode. The first shading layer is arranged on one side of the substrate. The first thin film transistor is arranged on one side of the first shading layer away from the substrate, and includes a first active layer, a first source, a first drain and a first top gate electrode. The first film layer includes a first semiconductor part and a first conductor part, and the first semiconductor part constitutes the first active layer. The third electrode is arranged in the same layer as the first drain. The first shading layer and the first conductor part constitute a first capacitor. The third electrode and the first conductor part constitute a second capacitor. The shading layer of the display backplane not only can protect the light stability ofthe TFT structure from influence, but also can constitute a laminated pixel capacitor together with the first conductor part and the third electrode. The laminated capacitor structure can achieve high opening rate and high PPI while increasing the pixel capacitance value and improving the driving performance.

The invention relates to a radiotherapy target section dose regulating personalized silicone compensator and a preparation method thereof. The radiotherapy target section dose regulating personalizedsilicone compensator comprises an skin expanding part, a normal tissue expanding part and positioning mark lines. According to conditions of patient's skin in the target section and normal organic contour needed to be protected, silicone comensators in different thickness are customized by the 3D printing technology, so that the compensators fit the skin better; as the compensators have differentthickness, the distances from the surfaces of the compensators in a treatment region to the deep normal tissue are the same, the radiotherapy dose of the target section near the skin can be increasedand the expose dose of the target section can also be unformized by means of dose optimization, and further, the deep normal organs can be protected better to some degrees; thus, the core of the modern precise radiotherapy is achieved, treatment effect is improved and side effect in radiotherapy to patients can also be reduced to the utmost extent. Besides, as medical silicone molding through medical silicone molds is utilized, manufacturing cost is lowered, manufacturing speed is high, and the technique is superior to the method of direct printing of silicone in terms of economical efficiencyand application and promotion.

The invention provides a target material assembly and a manufacturing method thereof. The manufacturing method comprises the following step: providing a target material and a back plate capable of bonding with the target material in a welded manner so as to form the target material assembly, wherein the thickness of the target material accounts for at least 60% of the thickness of the target material assembly. According to the invention, the thickness of the target material accounts for at least 60% of the thickness of the target material assembly; thus, compared with a scheme that the thickness of the target material accounts for a smaller proportion of the thickness of the target material assembly, the target material assembly provided by the invention has the following advantages: the thickness of the target material can be increased under the condition that the thickness of the target material assembly is unchanged, and the part of the target material for sputtering is correspondingly increased, so the service life of the target material assembly is effectively prolonged; the replacement frequency of the target material assembly is effectively reduced; improvement of process efficiency and reduction of process cost can be easily realized; meanwhile, the thickness of the target material assembly can remain unchanged, so a sputtering machine bench does not need to adjust thespacing between the target material and a product about to undergo film formation (such as a wafer), and adverse effects on the initial sputtering rate and film-forming uniformity of the target material assembly are avoided.

The invention discloses a thin film transistor array substrate, a display device and a method in the field of thin film transistor liquid crystal display manufacture. The thin film transistor array substrate comprises a backing substrate, bump structures, and thin film transistors, a second insulation layer, first electrodes and second electrodes that are formed on the backing substrate, wherein the first electrodes and the second electrodes are used for forming an electric field; the second insulation layer is positioned among the first electrodes and the second electrodes; the second electrodes are comb-shaped electrodes, and positioned on one side of the second insulation layer far from the backing substrate; the bump structures are positioned on one side of each first electrode close to the backing substrate; and positions of the bump structures correspond to gaps among the comb-shaped electrodes. According to the thin film transistor array substrate, the display device and the method, a shape of a pixel electrode layer is changed by a resin block, so that sizes of horizontal electric field weakening areas among the public electrodes are reduced effectively; a longitudinal noise electric field is weakened; the orientation capability of the horizontal electric field to liquid crystals is improved; Trace Mura is avoided; and the quality of a display is improved.

The invention relates to an air-float guide rail system, which belongs to the field of precision instruments. The air-float guide rail system comprises a compressed air control air circuit, a vacuum control air circuit and an air-float guide rail, wherein the air-float guide rail comprises an air-float area and a vacuum cavity; the compressed air control air circuit comprises a first constant pressure air bag for supplementing air for the air-float area of the air-float guide rail; and the vacuum control air circuit comprises a second constant pressure air bag for extracting the air in the vacuum cavity of the air-float guide rail. The air-float guide rail system has the characteristic of small air film vibration.

The invention relates to a high thermal conductivity insulation structure of a stator bar of an excess epoxy mould pressing insulation system. The stator bar is suitable for the excess epoxy mould pressing insulation system. High thermal conductivity ceramic fiber is contained in the insulation layer on the outer surface of an electromagnetic wire; and reinforcement material in position-changing pit insulation, bar insulation, a restricted area filler strip, major insulation and anti-corona material contains the high thermal conductivity ceramic fiber. The stator bar manufactured by the invention has major technical performance figures that firstly, the temperature conductivity reaches 0.5 W/mK; secondly, tg delta is smaller than 1% under normal 0.2 UN (nominal voltage); thirdly, the stator bar has no visible corona trace for 60 seconds under 1.5 UN; fourthly, the flashover voltage of the finished bar reaches 5.5 UN; and fifthly, the service life of the bar is longer than 10 h under the 3.0 UN and is longer than 1100 h under the 2.0 UN during the electric resistance aging test.

The present invention provides an annular light guide piece capable of uniform illumination without larger setup space, and electronic equipment containing the light guide piece. A portable recorder includes a main body box and a microphone. A left LED chip and a right LED chip are arranged on a substrate. A display window is formed on the main body box. The annular light guide piece includes a left incident part, a right incident part, and a light guide part. The left incident part is opposite to the left LED chip, and the right incident part is opposite to the right LED chip. An emission end of the light guide part is embedded with the display window. The light guide part is provided with a reflecting face for emission of guided light in the light guide part reflected toward the emission end. The light guide part is provided with a reflecting face for light guide. The reflecting face for emission is characterized in that the distance to each incident part is longer, the inclination is larger and the width is larger.

A method for improving performance of a fin field-effect transistor comprises the steps of providing a substrate, wherein discrete fin parts are formed on a surface of the substrate, an isolation layer is also formed on the surface of the substrate and covers surfaces of a part of side walls of the fin parts, and the top of the isolation layer is lower than the tops of the fin parts; forming a gate structure bridging the fin parts on a surface of the isolation layer, wherein the gate structure covers the surfaces of a part of tops and the side walls of the fin parts; forming an amorphous material layer covering the surfaces of a part of tops and the side walls of the fin parts and the surface of the isolation layer; forming an oxide doping layer on a surface of the amorphous material layer; annealing the oxide doping layer so that doping ions are diffused and enter the fin parts, and forming doping regions in the fin parts at two sides of the gate structure; and removing the oxide doping layer. During the process of removing the oxide doping layer, the amorphous material layer has a protection effect on the isolation layer, the etching loss caused by the technology of removing the oxide doping layer on the isolation layer is prevented, so that the thickness of the isolation layer is maintained unchanged, and the electrical property of the formed fin field-effect transistor is further improved.

The invention provides a shelf for a refrigerator. The shelf comprises a fixed object-placing board and a movable object-placing board. The fixed object-placing board is provided with a first meshed part, the movable object-placing board is provided with a second meshed part matched with the first meshed part, the movable object-placing board and the fixed object-placing board are located on the same plane, and the movable object-placing board can be matched with the second meshed part through the first meshed part to perform reciprocating motion relative to the fixed object-placing board. Compared with the prior art, the fixed object-placing board and the movable object-placing board of the shelf for the refrigerator are provided with the first meshed part and the second meshed part which correspond to each other, relative motion of the movable object-placing board and the fixed object-placing board is achieved through the first meshed part and the second meshed part, efficiency of the movable object-placing board in opening and closing an open space is improved, the thickness of the whole shelf for the refrigerator is kept unchanged simultaneously, and the utilization rate of a storage space between the shelves for the refrigerator is guaranteed.

A process for preparing ROM includes generating silicon nitride stack on substrate, etching to define the silicon nitride stacks but retaining the oxidized bottom layer, washing, and ion transplantation for generating doped region in substrate between defined silicon nitride stack layers.

The invention relates to a high-thermal conductivity insulation structure of a stator bar of an insulation system. An insulating layer on the outer surface of an electromagnetic wire contains high-thermal conductivity ceramic fibers; reinforcing materials in transposition pit insulation, inter-row insulation, narrow surface filler strip, main insulation and anti-corona materials contain high-thermal conductivity ceramic fibers; and resin adhesives in transposition pit insulation, transposition insulating layer, inter-row insulation, main insulation and anti-corona materials contain high-thermal conductivity ceramic fibers. The stator bar made by adopting the high-thermal conductivity insulation structure has the following main technical performance indexes that: (1) the bar thermal conductivity reaches 0.5W/mK; (2) in the normal state and at a voltage of 0.2UN, tg delta is less than 1 percent; (3) the stator bar has no visual corona mark in 60 seconds at a voltage of 1.5UN; (4) a breakdown voltage of the finished product bar reaches 5.5UN; and (5) an electrical aging resistance test of the bar proves that the service life of the stator bar at a voltage of 3.0UN is longer than 10 hours and the service life of the stator bar at the voltage of 2.0UN is longer than 1,100 hours. The stator bar is suitable for a VPI (vacuum pressure impregnation) insulation system.

The invention provides a radiator which includes at least a casing body. The casing body includes an upper casing body and a lower casing body. The upper casing body and the lower casing body are oppositely arranged and sealed to form a cavity. The radiator further includes a capillary structure and heat-dissipating fluid. The capillary structure and the heat-dissipating fluid are accommodated inthe cavity. The area of the upper casing body is larger than the area of the lower casing body. A protrusion is formed on the edge, which is opposite to the lower casing body, of the upper casing body. The invention further provides an electronic device with the radiator.

The invention provides a side wall structure construction method which comprises the following steps: providing a semiconductor substrate, wherein a grid electrode is formed on the semiconductor substrate; forming an initial oxidation layer which covers the surfaces of the semiconductor substrate and the grid electrode; thinning the initial oxidation layer on two sides of the grid electrode so as to form a side wall oxidation layer of which the thickness is less than that of the initial oxidation layer, wherein the oxidation layers at the top of the grid electrode and the surface of the semiconductor substrate serve as protection layers; forming silicon nitride layers which cover the surfaces of the side wall oxidation layer and the protection layers; and carrying out an etching process so as to remove the silicon nitride layers positioned on the surfaces of the protection layers and the partial silicon nitride layer on the surface of the side wall oxidation layer, wherein the side wall oxidation layer and the residual silicon nitride layers on the two sides of the grid electrode together form a side wall structure. Due to the adoption of the wall side wall structure construction method provided by the invention, the side wall structure with smaller thickness (50-60 angstrom) can be constructed.

The invention provides an assembled movable metal keel partition wall system which comprises a metal keel framework formed by connecting multiple transverse and vertical metal keels through multiple fixing assemblies. The four side faces of each metal keel are symmetrically provided with grooves penetrating in the respective axis direction, and the grooves are internally provided with through longcavities. The tops of the vertical metal keels are fixed to corresponding metal back shores through adjusting assemblies correspondingly. The tops of the metal back shores and the bottoms of the vertical metal keels are supported on a floor top plate and a bottom plate through friction sheets correspondingly. A plurality of hanging pieces are fixed to the inner side of each decoration panel and located at the positions of the corresponding transverse metal keels. The ends of the hanging pieces are embedded into the grooves of the corresponding transverse metal keels. Ceiling internal corner closure strips are hung on the two sides of each metal back shore, and skirting boards are hung in the grooves on the two sides of the transverse metal keel at the bottommost portion. The assembled movable metal keel partition wall system has the advantages of being convenient to assemble and disassemble, capable of being recycled, flexible in mode, simple in facing modification and the like on thebasis of realizing hanging of articles on a wall face and forming of a hole in the wall face.