191results about How to "Improve process precision" patented technology

A thin film transistor has a semiconductor thin film including zinc oxide, a protection film formed on entirely the upper surface of the semiconductor thin film, a gate insulating film formed on the protection film, a gate electrode formed on the gate insulating film above the semiconductor thin film, and a source electrode and drain electrode formed under the semiconductor thin film so as to be electrically connected to the semiconductor thin film.

The invention relates to an assembly clamper for sandwich structure board lateral compression test. In the prior art, when the large-size and non-symmetrical sandwich board is subjected to the lateral compression performance test, the centering of the compression center is difficult, and the deflection is high. A purpose of the present invention is to solve the problems in the prior art. According to the assembly clamper, an upper clamping head and a lower clamping head are arranged in an upper-lower manner, the deep groove of the upper clamping head and the U-shaped groove of the lower clamping head are oppositely arranged, four vertical position limiting plates are arranged between the upper clamping head and the lower clamping head in a rectangular manner, the upper ends of each vertical position limiting plate are positioned inside the deep groove, the lower ends of each vertical position limiting plate are positioned inside the U-shaped groove, the upper ends between the two transverse and parallel vertical position limiting plates are provided with a universal pad block and an adjustment pad block, the lower ends between the two transverse and parallel vertical position limiting plates are provided with a universal pad block and an adjustment pad block, the two universal pad blocks are oppositely arranged in an upper-lower manner, the two adjustment pad blocks are oppositely arranged in an upper-lower manner, two end plates are respectively arranged on the upper end and the lower end of the upper clamping head and the lower clamping head, and the upper cone column on the upper clamping head and the lower cone column on the lower clamping head are respectively embedded into the corresponding V-shaped grooves. The assembly clamper of the present invention is used for the sandwich structure board lateral compression test.

Methods, apparatuses, systems and software for ion beam milling or machining are disclosed. The apparatus includes a specimen holder, a table, one or more ion sources, rotatable ion optics, and an imaging device. The specimen holder is configured to hold a specimen in a stationary position during milling or machining. The table is configured to change the stationary position of the specimen holder in any of three orthogonal linear directions and an angular direction. The rotatable ion optics are configured to emit an ion beam towards a predetermined location on the specimen from any of the one or more ion sources at any angle around an axis that is orthogonal to a horizontal surface of the table when the angular direction of the table is 0°. The imaging device is configured to generate an image of the specimen including the predetermined location, thereby enabling real-time monitoring of the milling or machining process.

The invention provides a method for detecting the interface binding strength of an aluminum-steel composite material for soldering. The method can be used for accurately detecting the aluminum-steel interface binding strength and quantifying the interface binding effect of the aluminum-steel composite material for the soldering. The method comprises the following steps: firstly, preparing a test sample of the aluminum-steel composite material and carrying out a stripping test on the test sample; and calculating according to a test result to obtain a binding strength value of an aluminum-steel interface. The method is characterized in that the preparation of the test sample comprises the following steps: soldering and connecting a metal reinforced layer on the surface of an aluminum layer of the sample and forming a compound layer by the metal reinforced layer and the aluminum layer of the sample. The binding strength of the metal reinforced layer in the compound layer and the aluminum layer of the sample is greater than the binding strength of the aluminum-steel interface; in the stripping test, the compound layer and a steel layer in the sample are stripped by a tension tester.

The invention relates to a mud stirring device for planting loquats, in particular to a quick mud stirring device for planting loquats. Mud can be uniformly stirred by the quick mud stirring device for planting the loquats, and the quick mud stirring device is novel in structure and high in stirring speed. The quick mud stirring device for planting the loquats comprises a left frame, a bottom plate, a right frame, a first slide rail, a stirring frame, first sliders, a push rod, a second slide rail, second sliders, a second rack, a large belt pulley, a tooth-missing gear and the like. The left frame, the first slide rail and the right frame are sequentially arranged on the top of the bottom plate from the left to the right, the first sliders are slidably connected onto the first slide rail, and the stirring frame is arranged on the tops of the first sliders. The quick mud stirring device has the advantages that the mud can be uniformly stirred by the quick mud stirring device, and the quick mud stirring device is novel in structure and high in stirring speed; the mud can cover saplings of the loquats, the root systems of the saplings can be protected, transpiration of water can be reduced, and accordingly the survival rate of the loquats can be increased.

The invention discloses a tensioning and positioning round pin, which is provided with at least two pin flaps separated from each other, wherein when the pin flaps of the tensioning pin are folded, the tensioning pin contracts, so that the tensioning pin can easily extend into a positioning hole; and then, the tensioning pin is tightly combined with the positioning hole by unfolding the pin flapsof the tensioning pin, so that no gap exists between the tensioning pin and the positioning pin, the positioning accuracy and stability of a clamp are ensured, the installation accuracy of fittings such as a vehicle door hinge and the like is ensured, one-time installation success rate of a vehicle door is increased, the production efficiency is improved and the fluctuation of product quality is reduced. The invention also discloses a round pin-inserted positioning device. The round pin-inserted positioning device comprises the tensioning and positioning round pin provided with at least two pin flaps which are separated from each other, and an expansion device which is fixedly connected with the root parts of the pin flaps and drive the pin flaps to move along the radial direction. By adopting the round pin-inserted positioning device, the installation accuracy of the vehicle door hinge can be enhanced and the one-time installation success rate of the vehicle door can be increased.

The invention discloses a method for forming a peelable elastomer mask plate on the surface of polymer base materials. The method comprises the steps that firstly, a coating layer for improving caking property is preformed on the surface of the polymer base materials; secondly, patterns, complementary with the mask plate, formed by photoresist are formed on the surface of the polymer base materials through the photolithography technique; thirdly, an elastomer coating layer with a certain thickness is formed again; fourthly, the photoresist is removed, and the peelable elastomer mask plate is obtained. The elastomer mask plate is used for forming patterned photoelectric functional devices on the polymer base materials.

The invention discloses a method and equipment for preparing lithium iron phosphate from a lithium iron phosphate precursor. The method comprises the three process steps of pretreatment of the lithium iron phosphate precursor material, pre-sintering and sintering; and in a non-oxidizing environment, the precursor material is heated by a certain number of microwave heaters, and the three process steps are finished by controlling treatment temperature and treatment time to finally prepare the lithium iron phosphate product. The equipment comprises a material inlet, a material feeding ventilation chamber, a pretreatment unit furnace, a pre-sintering unit furnace, a sintering unit furnace, a material discharging ventilation chamber, a cooling material discharging mechanism, a material outlet,a vacuumizing device, a protective gas input device and an equipment control circuit. In the method, the pretreatment and pre-sintering process steps are added to optimize a lithium iron phosphate microwave sintering process and solve keys problems on product quality control. The equipment provided by the invention realizes continuous microwave sintering by a plurality of unit furnaces so as to improve the sintering efficiency and realize large-scale industrial production.

The invention relates to an organic electroluminescence device which comprises a substrate, and a first electrode layer, a plurality of luminous units and a second electrode layer which are formed on the substrate in sequence, wherein the luminous units comprise a hole injection layer, a hole transmission layer, a luminous layer and an electronic transmission layer which are arranged on the first electrode layer in sequence; the hole transmission layer is prepared from a first hole transmission material and a second hole transmission material; the triplet energy level T1 of the first hole transmission material is greater than or equal to 2.48eV, and the HOMO energy level is smaller than or equal to -5.5eV; the HOMO energy level of the second hole transmission material is greater than -5.5eV; furthermore, the HOMO energy level difference between the first hole transmission material and the second hole transmission material is smaller than or equal to 0.2eV. The hole transmission layer is higher in triplet energy level T1 and migration rate, and the preparation technology is simple, so that the beneficial effects of obviously reducing the power consumption of the device and greatly improving the efficiency are achieved.

The invention discloses a preparation method of a back-contact heterojunction solar cell. A pre-passivation layer of intrinsic amorphous silicon, an N-type amorphous silicon layer and an anti-reflection layer are sequentially deposited on the front side of the washed and dedamaged layer and the velveted monocrystalline silicon substrate; Depositing an intrinsic amorphous silicon back passivation layer on the back surface of the battery; The P-type amorphous silicon layer is deposited on the surface of the back passivation layer by a mask method, and then the insulation isolation layer betweenthe P-type amorphous silicon layer and the N-type amorphous silicon layer is directly deposited, and the insulation isolation layer is etched according to the preset width of the insulation isolationlayer by a photolithography method; Further depositing an N-type amorphous silicon layer on the back surface by a mask method; At last, that transparent conductive film is sequentially deposite by adopting a mask proces, and the metal film forms a contact layer, thereby completing the preparation of the solar cell of the invention. The invention improves the preparation process precision of the back surface structure pattern of the HBC single crystal silicon solar cell, reduces the width of the isolation layer, and improves the collection probability of the photogenerated carriers and the short-circuit current density of the HBC solar cell.

The invention relates to a magnesite/dolomite microwave light-burning device and method. The method comprises the following steps: pulverizing magnesite/dolomite, putting in a microwave heating furnace, heating the material at the rate of 5-10 DEG C/minute, and keeping the temperature for 20-40 minutes when the temperature reaches 800-880 DEG C; and discharging the product out of a discharge port via a discharge pipe into a material delivery vehicle running on the track, and carrying away, thereby implementing continuous light burning on the magnesite/dolomite. By utilizing microwave heat treatment, the device and method have the advantages of high heating rate, no pollution and uniform heating; and the product has the advantages of high quality, no air pollution, energy saving and environmental protection. By adopting the touch screen and PLC (programmable logic controller) for centralized control, the automation degree of the whole equipment and the technical precision are enhanced, thereby ensuring the product quality. The device and method can implement mass treatment of magnesite/dolomite and industrialized large-scale production, and enhances the production efficiency.

The invention relates to a device and a method for reducing hematite-containing materials by utilizing microwave heat treatment and carrying out magnetic separation. The device comprises a material bin, a screw feeder, a star type feeding machine, a preheating reacting furnace and a microwave magnetic separator. When the magnetic separation is carried out, the materials are crushed and then added to the material bin, powdery materials enter the preheating reacting furnace through the screw feeder and the star type feeding machine for preheating, and the preheated powdery materials enter the microwave magnetic separator through an air inlet pipe for the microwave heat treatment and the magnetic separation; products subjected to the magnetic separation are discharged through an ore discharge pipe from a discharge port, and other materials are discharged through an outlet pipe from the discharge port. The device disclosed by the invention can be used for reducing the weak magnetic Fe2O3 contained in the materials into strong magnetic Fe3O4 through the microwave heating and separating the iron ore concentrates through the magnetic separation, integrally and simultaneously carries out the reduction and the magnetic separation, has the advantages of small investment, low energy consumption, large treatment quantity, water saving, no air pollution, wide application range and relatively popularization prospect, is simple in equipment, and can be used for treating multiple hematite-containing materials which include ores, such as steel slag, low-grade limonite and iron ores.

The invention is related to wet-process etching device for wafer, and wet-process etching method. The method includes following steps: first, placing a wafer to an etching fluid; then, rotating wafer in etching fluid.

The invention relates to a numerical control processing machine tool of an automobile half shaft. The numerical control processing machine tool has the characteristics that a clamping device is arranged at the middle part of a tool body, and the two edges are clamped simultaneously, so that the clamping rigidity is guaranteed, and further a workpiece can bear larger cutting force in the turning processing process; a left sliding turning device and a right sliding turning device are respectively controlled by two sets of independent numerical control systems to process a half shaft blank, so that multiple processing steps can be carried out on one machine tool simultaneously, and not only is the process is simplified, but also the working efficiency is improved; by control of a numerical control system, the accuracy of the process is also improved; simultaneously the machine tool adopts a turning tool for processing. Compared with the prior art adopting a milling cutter, the numerical control processing machine tool of the automobile half shaft has the advantage that the cost is reduced.

The invention belongs to the technical field of dry battery production, particularly relates to a raw material sealing and mixing device for the dry battery production technology and aims at providing the raw material sealing and mixing device for the dry battery production technology, wherein the raw material sealing and mixing device for the dry battery production technology is easy to operate, small in workload and uniform in mixing. The device comprises a bottom plate, supports, a first large belt wheel, a first rotating shaft, a rotation motor, a first flat belt, a first small belt, a first bearing block, a second rotating shaft, a second bearing block, a sliding block, a sliding rail, a first cover, a second cover, a lower protrusion, a closed ring and the like. A left frame is welded to the left end of the top of the bottom plate, and the supports are symmetrically welded to the right side of the top of the bottom plate. The top ends of the two supports are connected with the sliding rail in a bolt connecting manner. According to the raw material sealing and mixing device, the effects of simple operation, the small workload and uniform mixing are achieved; and the raw material sealing and mixing device has important functions that a good mixing effect is achieved, in addition, the work efficiency is improved, and safety is high.

The invention discloses a miniaturization micromechanical filter. The filter is manufactured based on micromechanical process and formed by overlying upper and lower layers of medium materials, an interdigitated metal electrode layer is arranged on the lower surface of the upper medium layer, ground connection bonding welding rings are arranged on the upper surface of the lower medium layer, cavities prepared by etching process are formed among the welding rings, through holes are arranged on the upper and lower medium layers, metal layers are arranged on the inner walls of the through holes, surface electrode layers are arranged on the surfaces of the upper and lower medium layers, and input and output lead wires are arranged on the surface of the upper medium layer. The filter can meet index requirements of high operating frequency, large bandwidth, small loss and the like of a microwave filter and has the advantages of being small in size, fully sealed and high in reliability.

The invention provides a tipipenem pectin granule and a preparation method thereof, and relates to the technical field of medicine and its preparation. A tipipenem granule, comprising the following raw materials in parts by weight: 600 to 700 parts of tipipenem, 3500 to 4500 parts of diluent, 40 to 50 parts of hydroxypropyl cellulose, and 455 to 470 parts of coating agent I 380-400 parts of coating agent II, the coating agent I is composed of ethyl cellulose suspension and talcum powder at a weight ratio of 10-20:1, the coating agent II is composed of gastric-soluble acrylic resin, Talc powder, hydroxypropyl methylcellulose and aspartame are composed in a weight ratio of 25-40:1-3:1:1.5-2.5. The tipipenem ester granule of the present invention uses tipipenem ester as the main drug, strictly screens and controls the ingredients of the excipients, optimizes the proportion, has stable drug efficacy under high temperature and high humidity environment, safe quality, high dissolution rate and excellent process. Easy to control and suitable for industrial production.

The invention provides a method for preparing a combined thin film by using a combined laser molecular-beam epitaxy technology. The method includes the steps that a substrate is provided; precursor target materials of a plurality of different components corresponding to all components in the combined thin film are provided; laser bombardment is sequentially conducted on the precursor target materials of the different components, so that a corresponding precursor component is sputtered; a mask plate with mask patterns is provided; the corresponding sputtered precursor component is deposited on the substrate through the mask plate, and thus the combined thin film can be obtained. By means of the method for preparing the combined thin film, mechanical arm movement and continuous constant-speed axial movement are replaced by axial rotation, component uncontinuity caused by the stopping-restarting process of a mask can be avoided, meanwhile, programming is of no need for controlling the rotation of the mask, and therefore the operation complexity of the technology is lowered. In addition, preparation of multi-component thin films can be achieved by the way that the shape and the position of a window in the mask plate are adjusted.

The invention relates to natural gas metal cutting gas which is prepared from liquefied natural gas and an additive, wherein the additive is prepared from diphenylcarbinol, propylcyclohexanol, tert-butyl methyl ether, methanol, anhydrous ethanol and gasoline. The natural gas metal cutting gas is prepared from the following components in parts by weight: 98.4-98.7 parts of the liquefied natural gas and 1.3-1.6 parts of the additive. The additive is prepared from the following components in parts by weight: 7-30 parts of diphenylcarbinol, 10-20 parts of tert-butyl methyl ether, 40-60 parts of methanol, 2-10 parts of anhydrous ethanol and 3-6 parts of gasoline. According to the natural gas metal cutting gas provided by the invention, the additive and the natural gas jointly take part in combustion reaction in oxygen after the natural gas is liquefied and the natural gas metal cutting gas provides a chemical intermediate for combustion of the natural gas to improve the combustion speed of the natural gas in oxygen so as to improve the combustion temperature; the natural gas metal cutting gas is safe to use, free of tempering if being used for cuing and the like, and moreover, the cutting gas is lower than air in specific gravity, and can be used for indoor operation.