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76results about How to "No quality" patented technology

Diamond-based heterogeneously integrated gallium nitride thin film and transistor microelectronic device and preparation method thereof

The invention provides a diamond-based heterogeneously integrated gallium nitride thin film and transistor microelectronic device and a preparation method thereof. The preparation method comprises thefollowing steps: S1, providing a gallium nitride single crystal wafer with an injection surface; S2, carrying out hydrogen ion implantation on the gallium nitride single crystal wafer from the injection surface so that implanted ions reach a preset depth, an injection defect layer is formed, and a gallium nitride single crystal thin film is formed above the injection defect layer; S3, bonding thegallium nitride single crystal thin film with a diamond support substrate; S4, performing annealing treatment to peel along the injection defect layer, and forming a damaged layer on the injection defect layer; S5, performing surface treatment to remove the damaged layer; and S6, performing homogeneous epitaxial growth on the surface of the gallium nitride single crystal thin film to prepare a transistor. The diamond-based gallium nitride transistor prepared according to the invention is greatly improved in performance, has the characteristics of high electron mobility and strong heat dissipation capability, can stably work for a long time in a high-frequency and high-power state, and has very remarkable superiority compared with the prior art.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Tread rubber materials for making meridian aircraft tire belt layer cord threads with aramid fiber threads

Disclosed are tread rubber materials for making meridian aircraft tire belt layer cord threads with aramid fiber threads. The rubber materials are prepared according to a certain ratio with 1# smoke sheet rubber as main rubber materials and butadiene styrene rubber, resorcinol bonding resin, formaldehyde bonding resin, a bonding promoter AIR-201 special for the aramid fiber threads, a bonding promoter AIR-1, highly-abrasion-resistant carbon black, precipitated silica, a novel silane coupling agent, insoluble sulfur and a sulfenamide accelerator as main auxiliary materials. The rubber materials have the performance advantages that the bonding strength of the rubber materials and the aramid fiber threads is high, and the bonding retention rate after thermal ageing is high and have the performance characteristics of being high in tensile strength and tearing strength, low in compression fatigue heat generation and high in definite elongation stress. The rubber materials are used as aircraft meridian tire belt layer tread rubber, thus under the high-load and high-speed severe usage conditions, the quality problems of rubber thread loosening or delaminating of layers do not occur to the belt layer position of the aircraft tire, the rubber threads are bonded firmly, and the tire is safe to use.
Owner:中国化工集团曙光橡胶工业研究设计院有限公司

Crushing device used for casting sand recovery in casting process

The invention discloses a crushing device used for casting sand recovery in the casting process. The crushing device used for casting sand recovery in the casting process comprises a device body. A crushing box is integrally formed at the top end of the device body. A hopper is arranged at the top end of the crushing box. A driving motor is mounted on the left side face of the device body througha support. A raw material collection box is arranged at the bottom of an inner cavity of the device body. A notch communicating with the inner cavity of the device body is formed in the bottom of thefront side of the device body. A through groove communicating with the inner cavity of the device body is formed in the bottom of the right side face of the device body. According to the crushing device used for casting sand recovery in the casting process, blocky casting sand adhering together is sheared through two crushing rollers which rotate oppositely, so that the large blocky casting sand adhering together is loosened and dispersed; then the dispersed casting sand is ground through two extruding rollers so as to be separated; only the casting sand adhering together is dispersed and separated through the crushing method, the casting sand is not crushed, so that the original size of the casting sand is kept, and the problem that the quality of the casting sand is affected due to the fact that the casting sand is excessively crushed is solved.
Owner:ANHUI SIYUAN SANQING INTELLIGENT MFG CO LTD

Ultrathin optical reflective input equipment switch module possessing tooth-shaped structure

The present invention discloses an ultrathin optical reflective input equipment switch module possessing a tooth-shaped structure. The ultrathin optical reflective input equipment switch module possessing the tooth-shaped structure comprises a keycap, a key shaft, a spring, an upper fixing shell, a lower fixing shell and a PCB, and an ultrathin reflective photoelectric keyboard switch module also comprises a light emitting device and a light receiving device. A light path channel is formed between the light emitting device and the light receiving device and comprises a light path switch, and the light path switch comprises a rack located below the keycap and a gear or a cam located on the PCB. By pressing the keycap, the rack located therebelow moves up and down to drive the gear or the cam to do the radial rotary movement, thereby conducting or disconnecting the light path channel. The ultrathin optical reflective input equipment switch module possessing the tooth-shaped structure has the characteristics of being simple in structure, low in cost and low in switch module height, being convenient to assemble, etc., and the height of the ultrathin optical reflective input equipment switch module is only 1/3-1/4 of the height of a conventional mechanical shaft keyboard.
Owner:MIKOLTA OPTICAL TECH CO

Back auxiliary heating device for titanium and titanium alloy friction stir welding

The invention relates to a back auxiliary heating device for titanium and titanium alloy friction stir welding. The back auxiliary heating device comprises a support plate and a control system and ischaracterized in that the support plate is spliced by a welding back base plate and a fixing back base plate, the welding back base plate is located under a welding area, the fixing back base plate islocated under a non-welding area, the surface of the welding back base plate is provided with a plurality of thermocouples distributed along the length direction of the welding back base plate at intervals, a heating component distributed along the length direction of the welding back base plate is arranged inside the welding back base plate, the thermocouples and the heating component are connected with the control system, the thermocouples detect the surface temperature of the welding back base plate and transmits the detection data to the control system, and the control system adjusts theheating component according to the detection data to allow the surface temperature of the welding back base plate to be kept at the set temperature. The back auxiliary heating device has the advantages that heating temperature is effectively controlled, the root defects of thick-plate titanium alloy welding are eliminated, stirring head abrasion during welding is reduced, and the quality and efficiency of titanium alloy friction stir welding are increased.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP

High-temperature-resistant carbon fiber composite material cylinder bearing layer and preparation process thereof

The invention provides a high-temperature-resistant carbon fiber composite material cylinder bearing layer and a preparation process thereof, relates to the technical field of composite materials, and is mainly used in the field of spaceflight as an external bearing layer of missiles and spaceflight launchers. According to the high-temperature-resistant carbon fiber composite material cylinder bearing layer, bismaleimide resin with a glass transition temperature of 260 DEG C is used as a matrix material and T800 carbon fiber is used as a reinforcement material to prepare unidirectional prepreg as a raw material, and an autoclave molding process is adopted to prepare the high-temperature-resistant conical carbon fiber composite material cylinder bearing layer; according to the preparation process, a male mold is adopted as a mold to prepare a pressure equalizing plate, and then the bearing layer is prepared in the manner that the male mold is matched with the pressure equalizing plate; according to the bearing layer, the unidirectional prepreg is laid between a male mold forming surface and the pressure equalizing plate in a belt-laying-like manner, and the laying manner is an orthogonal symmetric laying manner, so that the directivity of fibers and the surface quality of the cylinder bearing layer are ensured; and the high-temperature-resistant carbon fiber composite material cylinder bearing layer prepared by the method meets the use requirements, and the product quality is high.
Owner:NANJING JULONG SCI&TECH CO LTD +2

Silicate-modified PVC foamed composite decorative sheet and manufacturing method thereof

The invention discloses a silicate-modified PVC foamed composite decorative sheet and a manufacturing method thereof. The manufacturing method is mainly used for manufacturing a decorative sheet used in occasions such as a family, an office, a shopping mall and a meeting, and belongs to the technical field of composite materials. The silicate-modified PVC foamed composite decorative sheet mainly comprises three layers, namely a decorative layer, a foaming layer and a supporting layer, wherein the supporting layer is mainly prepared from silicate inorganic filler, polyvinyl chloride and a processing aid; the foaming layer is mainly prepared from silicate inorganic filler, polyvinyl chloride, a foaming agent and a processing aid; the decorative layer is mainly prepared from silicate inorganic filler, polyvinyl chloride, a color masterbatch and a processing aid. The decorative sheet has the advantages of being free of toxicity and odor as well as formaldehyde, being capable of preventing water, dampness, worm damage, light mass and high surface decoration property, being nailable, sawable and planeable, being capable of reducing the consumption of wood and macromolecular polymers, and being relatively high in strength and relatively long in service life.
Owner:SICHUAN MIANNING XICHENG TALC MINING

Navel orange enzyme nutrient solution and preparation method thereof

The invention discloses a navel orange enzyme nutrient solution and a preparation method thereof and relates to the technical field of biological fermentation solutions. The navel orange enzyme nutrient solution comprises raw materials including navel oranges, dried liquorice, honey, oligosaccharide, dried yeast and water. The preparation method comprises steps as follows: the navel oranges are subjected to pulp making firstly, the dried liquorice is boiled with water, is cooled and then is uniformly mixed with the honey, the oligosaccharide and the dried yeast, water is added, and the mixture is uniformly mixed and placed in a container for sealing fermentation; finally, acquired fermentation broth is processed and extracted with an supercritical fluid extraction and separation technology, and the navel orange enzyme nutrient solution is obtained. According to the navel orange enzyme nutrient solution and the preparation method thereof, the safe navel orange enzyme nutrient solution which is free of side effects and can be taken as a beverage for drinking is prepared with lower cost and the simple method, can replace western medicine, effectively assists a body in automatic regulation of blood pressure and can be used for reducing cholesterol, and hypertension, hyperglycemia and hyperlipemia can be relieved and repaired when the human body is properly supplemented with the orange enzyme.
Owner:LIUZHOU JINCHEN TECH

Method for producing ink-jet printing substrate in curtain type coating manner

The invention discloses a method for producing an ink-jet printing substrate in a curtain type coating manner, and particularly relates to a manufacturing method for the coating-layer-provided substrate used when a multicolor ink-jet printing machine is adopted for conducting color pattern printing. The method is characterized in that a continuously-rolled machined sheet is adopted as a coating substrate, coating of an ink-jet printing coating layer is carried out on the front face of the coating substrate in the curtain type coating manner, and an optimized coating formula can meet the requirement that curtain type coating normally runs under the lower car speed condition; the produced coating layer of the ink-jet printing substrate and the pore distribution of the coating layer are even and consistent; during printing, the ink absorption speed is high, the color is even and consistent, and the problems of printing dots, printing patterns and the like are solved; and the quality of products in different batches is stable, and obvious chromatic aberration can be avoided. According to the manufacturing method, high-end coating equipment is adopted, an advanced coating process is used in a combined manner to conduct production, stable production control can be achieved, and therefore the stable product quality is obtained. The problem that at present, high-end products cannot be produced in China is solved.
Owner:CHINA NAT PULP & PAPER RES INST CO LTD

Integrated type permanent magnet synchronous motor shell

The invention belongs to the motor shell technical field and relates to an integrated type permanent magnet synchronous motor shell. A spiral heat dissipation water channel is formed in the side wall of a cylinder with a cylindrical central hole, wherein the spiral heat dissipation water channel and the cylinder are molded integrally; the outer wall of the cylinder is provided with a junction box, a hanging lug and at least three circumferentially-arranged protruding bars of which the axes are arranged along a vertical direction, wherein the junction box, the hanging lug, the protruding bars and the cylinder are molded integrally; a water inlet and a water outlet at the upper end and the lower end of the spiral heat dissipation water channel pass through the side wall of the cylinder and are located at the upper part and the lower part of the protruding bar at the left side of the junction box; the upper sides and the lower sides of the other two protruding bars are respectively provided with an installation seat; more than two threaded blind holes are formed in each installation seat; each installation seat is provided with more than two transverse reinforcing ribs; threaded blind holes are circumferentially formed at two end surface of the cylinder at intervals; wire through holes which pass through the side wall of the cylinder are formed in the side wall of the cylinder and are located inside the junction box; and the junction box and the three protruding bars are separated out from each other by 90 degrees. The integrated type permanent magnet synchronous motor shell has the advantages of excellent heat conduction and heat dissipation performance, structural simplicity, practicability, low failure rate and low production cost, and can be suitable for high-power permanent magnet synchronous motors.
Owner:浙江双菱新能源科技有限公司

Peripheral sealing process of foamed instrument panel

The invention discloses a peripheral sealing process of a foamed instrument panel and a processing technology of automotive interior parts, mainly solving the problems of leakage and lack of materials, and the like of an existing peripheral sealing process of the foamed instrument panel. The peripheral sealing process comprises the following steps: sealing the front edge of the instrument panel bya soft seal, and placing an inflatable sealing strip in a U-shaped groove of a foaming mold; inserting both ends of the inflatable sealing strip into an inflatable core port; heating the foaming mold, paving the surface in a fixing mold to enable the surface to be adsorbed on the fixing mold, placing an instrument panel skeleton on the surface, closing a moving mold and the fixing mold, pressingcopper blocks on the left and right sides of the instrument panel against the surface by a cylinder, and pushing the inner side against the instrument panel skeleton by the moving mold to achieve thesealing effect. The main and co-driver positions are pressed against a sealing rib by the interaction of the moving mold and the fixing mold of the foaming mold to achieve the sealing effect. The sealing strip can be pressed against the front end of the instrument panel after being fully filled to achieve the sealing effect. The peripheral sealing process has the advantage of avoiding the problemof leakage and lack of materials of the foamed product.
Owner:JINXING AUTOMOTIVE INTERIOR DECORATION

Novel pathological specimen bottle

The invention discloses a novel pathological specimen bottle. The novel pathological specimen bottle comprises a bottle cap, a paraffin sealing layer, preset fixing fluid, a biopsy stripping needle and a sample label, wherein the bottle cap and a bottle body are sealed by the paraffin sealing layer; the paraffin sealing layer is fixed on the bottle cap; the preset fixing fluid is positioned in the bottle body; the biopsy stripping needle is fixedly connected with the bottle cap; the sample label is pasted on the bottle body, and is used for labeling samples to avoid errors. The bottle overcomes the defects of the existing pathological specimen inspecting container, and has the characteristics of transparency, sealing, cleanness, and no interfering substances in the bottle, and pathological specimens cannot be changed during the inspecting process. The bottle is suitable for the inspection of the pathological specimens with small volume. The size of the specimen bottle can be changed according to the volume of the pathological specimens, so that the bottle is suitable for all collected pathological specimens. For the bottle, no pollution of the pathological specimens and the quality of the specimens are ensured, the workload and the operation damage due to the self configuration of the specimen bottle by a nurse is reduced, and the design satisfies the clinic requirements and ensures the quality of the pathological specimens.
Owner:张弘炎
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