Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

3098results about How to "The production process is simple" patented technology

Touch control display screen with a built-in electromagnet induction layer of septum array grids

A touch control display screen with built-in membrane antenna array lattice electromagnetic induction layer, including at least a display screen and a shell; wherein an induction layer is provided in the rear of the display screen, the output of the induction layer is connected to an induction control circuit, a display screen control circuit is also provided in the shell; the induction layer is the antenna array printed on the insulation membrane and arranged along the X, Y axes, therein the area enclosed by each lattice unit constitutes one induction cell. Because the electromagnetic induction layer is provided in the rear of the display screen and flexible membrane-type, printed electromagnetic induction array antenna is used as the identifying induction component according to the present invention, the manufacture is easy, the cost is low, and the advantage in cost-cut is prominent in comparison with the prior art when the area of the display screen is larger. The accuracy of identification is high, and the mouse information or handwriting information can be input exactly by means of brush strokes of finger strokes; as a touch screen, the display screen is covered by a protecting film to avoid the physical damage, so it has long operating life.
Owner:MORGAN TOUCH TECH (HK) CO LTD +1

Electromagnetic induction electronic board with antenna arrayed in gridding inside

An electronic whiteboard with built-in membrane antenna array lattice electromagnetic induction layer includes: a writing input portion; a covering frame provided around the periphery of the electronic whiteboard; and a control circuit; wherein, the writing input portion has multilayer structure and is enclosed in the frame, the said writing input portion includes a surface writing layer, an underlayer, and an input induction layer which is connected to the control circuit by its output; the said induction layer may be the antenna array printed on the insulation membrane and arranged along the X, Y axes, therein the area enclosed by each lattice unit constitutes one induction cell.
Owner:MORGAN TOUCH TECH (HK) CO LTD +1

Method for preparing nitrogen-doped porous carbon nanofiber cloth

The invention relates to a method for preparing nitrogen-doped porous carbon nanofiber cloth. The nitrogen-doped porous carbon nanofiber cloth is prepared by adding a nitrogen-rich compound into an organic solution, electrospinning and subsequent carbonizing-activating, has a self-support structure, omits preparation steps of size mixing, coating and the like, needs no conductive agent or binder, and can be directly used as the negative electrode of a lithium ion battery. The electrochemical performance of the negative electrode material of the lithium ion battery is improved by doping nitrogen and activating and forming pores; compared with a commercial graphite lithium ion battery negative electrode material, the nitrogen doping porous carbon nanofiber cloth used as the negative electrode material of the lithium ion battery has simple steps for preparing the electrode, has higher specific capacity, good power performance and circulatory stability. The method also can be used as the electrode material of super capacitors and other novel batteries.
Owner:TSINGHUA UNIV

Three-dimensional dynamic whole-process simulation method for storm surge and flood routing in complex flooding areas

The invention belongs to a field of the visual simulation of a flood routing. Aiming at realizing the three-dimensional dynamic whole-process simulation of the storm surge and the flood routings, the safety management of seawalls, a quick scientific assessment of the storm surge disaster, and the scientific formulation and the implementation of rescue and relief work, the technical scheme provided is the three-dimensional dynamic whole-process simulation of the storm surge and the flood routings, comprising the following steps: (1) establishing three-dimensional mathematical models of the storm surge and the flood routings in complex flooding areas; (2) drawing bathymetric charts of the storm surge and the flood submerging in complex flooding areas (3) dynamically simulating liquid phase flows of the storm surge and the flood routings in complex flooding areas; (4) carrying out the dynamics calculation of the storm surge and the flood routings in complex areas; (5) establishing virtual-real coupling models of the storm surge and the flood routings in complex areas; (6) carrying out the post processing and the visual output of the three-dimensional dynamic whole-process simulation. The method is mainly applied in the three-dimensional dynamic whole-process simulation of the storm surge and the flood.
Owner:TIANJIN UNIV

Method for manufacturing embedded high-conductivity printed circuit board (PCB)

The invention discloses a method for manufacturing an embedded high-conductivity printed circuit board (PCB). The method comprises the following steps of 1, providing a plurality of PCB core boards and prepregs; 2, pre-slotting on the PCB core boards and the prepregs, slotting at positions where conductive materials are to be embedded on the PCB core boards and the prepregs, and respectively forming slots, wherein the core boards and the prepregs have matched positioning holes; 3, providing the conductive materials and manufacturing conductive elements by using the conductive materials; 4, placing the conductive elements in the slots of the PCB core boards and the prepregs for laminating the conductive elements into PCB multi-layer boards which have component faces and welding faces; 5, laminating the plurality of PCB core boards and prepregs to manufacture PCB multi-layer boards and fixing the conductive elements in the slots by using resins; 6, performing degumming on the surfaces of the PCB multi-layer boards and the conductive elements; and 7, processing the PCB multi-layer boards after degumming to obtain PCB finished products. The method has the advantages of simple manufacturing flows and realization of high radiation, high-speed signal transmission and the like by embedding the conductive materials into the PCB in a laminating manner and matching the conductive materials with the thickness of the PCB.
Owner:DONGGUAN SHENGYI ELECTRONICS

Traditional Chinese medice healthy liquid and preparation method thereof

The invention relates to a traditional Chinese medice healthy liquid. The preparation method comprises the following steps of: preparing 73 materials of ginseng, atractylodes macrocephaia, poria, and the like into a stock solution; then adding 8 materials of ginseng, cortex encomia, astragalus root, and the like to water for decoction, wherein the 8 materials and the water are in a weight ratio of 1:25; decocting until the weight ratio of the raw materials to the water is 1:20 to obtain an auxiliary solution; proportioning the stock solution and the auxiliary solution in a weight part ratio of 1:4 and adding a proper amount of auxiliary materials; and mixing and standing for 6 months to obtain the healthy liquid. The healthy liquid can improve the immunological competence of human bodies after being taken, release fatigue, smooth the kidneys and activate the blood circulation. Moreover, the healthy liquid has simple preparation process and is easy for industrialization production.
Owner:深圳市唤然生物科技开发有限公司

Preparation method of electrolyte used for all vanadium redox flow batteries

The invention discloses a preparation method of electrolyte used for all vanadium redox flow batteries, which is characterized in that one or more reducing agents are added to vanadium pentoxide and sulfuric acid, and the mixture fully reacts at the temperature of 50-100 DEG C for 0.5-10h to prepare the electrolyte with vanadium ion concentration between 1mol / L and 6mol / L. In the method, isobutyl alcohol, butyraldehyde, dicarboxyl, 1, 3-propanediol, 2-butylene or the mixture thereof is used as a reducing agent; the preparation process is simple, the operation is easy and the cost is low, in particular, the high-purity vanadium battery electrolyte with vanadium ion concentration between 1mol / L and 6mol / L is prepared; besides, the above process only produces carbon dioxide and water but no other wastes, thus being environment-friendly; the reducing agents used in the prior art are generally inorganic matters such as sulphur powder, thus easily producing huge amounts of pollutants, but in the method, organic matters are used as reducing agents and only produce carbon dioxide and water in the whole process, thus reducing the pollution in the process of preparing the high-purity vanadium battery electrolyte.
Owner:QINGDAO WUXIAO GRP

Supercapacitor electrode material preparation method based on three-dimensional graphene

A supercapacitor electrode material preparation method based on three-dimensional graphene comprises the steps that foamed nickel with surface oxide removed is steeped in oxidized graphene dispersion liquid, the oxidized graphene is made to be deposited on the foamed nickel, and then the foamed nickel is aired to remove moisture at room temperature after being taken out. The steeping method comprises the steps that the foamed nickel is steeped in the oxidized graphene dispersion liquid with the concentration of 0.5mg/ml-10mg/ml, and is aired after ultrasonic processing is carried out for 1-30 minutes; the quality of the oxidized graphene deposited on the foamed nickel is controlled through the concentration of the oxidized graphene and steeping times, and the steeping times is 1 to 30 times. The prepared oxidized graphene/foamed nickel composite electrodes are reduced through ascorbic acid, then a part of metal nickel is etched and removed by using a chemical etching method or a part of the metal nickel is simultaneously reduced, etched and removed through hydroiodic acid to obtain graphene/foamed nickel composite electrodes. The supercapacitor electrode material preparation method based on the three-dimensional graphene is simple, easy to operate, capable of improving the performance of supercapacitors and reducing manufacturing cost, and suitable for mass production.
Owner:NANJING UNIV

Method for manufacturing semiconductor device and method for manufacturing SiGe HBT (Heterojunction Bipolar Transistor)

The invention relates to a method for manufacturing a semiconductor device and a method for manufacturing an SiGe HBT (Heterojunction Bipolar Transistor), wherein the method for manufacturing the SiGe HBT comprises the steps of: offering a substrate comprising an HBT collector region; sequentially forming a gate dielectric layer, a polysilicon gate layer, an oxide layer and a barrier layer on the HBT collector region; removing partial barrier layer as well as the oxide layer, the polysilicon gate layer and the gate dielectric layer under the partial barrier layer on the HBT collector region so as to form a groove where the upper surface of the HBT collector region is exposed; forming an SiGe layer in the groove to serve as a base region; forming a polysilicon emitter region on the base region; and removing the partial barrier layer and the oxide layer under the partial barrier layer on two ends of the HBT collector region till the upper surface of partial polysilicon gate layer on the two ends of the HBT collector region is exposed and preserving the barrier layer surrounding the polysilicon emitter region and the oxide layer under the barrier layer. In the invention, the manufacturing processes of the two kinds of transistors are compatible and the cost is saved; the source / drain region of a CMOS (Complementary Metal Oxide Semiconductors) transistor is raised; and therefore, the self alignment of the base region and the emitter region of the SiGe HBT is realized.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

3D (3-dimensional) touch liquid crystal lens grating, display device and manufacturing methods of 3D touch liquid crystal lens grating and display device

The embodiment of the invention provides a 3D (3-dimensional) touch liquid crystal lens grating, display device and manufacturing methods of the 3D touch liquid crystal lens grating and the display device and relates to the technical field of display, and the thickness of the 3D touch display device can be reduced. The 3D touch liquid crystal lens grating comprises a lower substrate and an upper substrate, wherein the lower substrate and the upper substrate are formed by box-box molding; the lower substrate comprises a lower transparent substrate and a surface electrode; the upper substrate comprises an upper transparent substrate a strip-shaped electrode; liquid crystal is filled between the surface electrode and the strip-shaped electrode; at least one touch electrode arranged in an adjacent mode is arranged between the upper transparent substrate and the strip-shaped electrode; and a transparent isolated cushion layer is arranged between the touch electrode and the strip-shaped electrode. A double-layer electrode used for touch in the prior art can be reduced to a single-layer electrode by the embodiment of the invention, thus the thickness of the 3D touch display device is reduced, the manufacturing process is simplified, and the production cost of a product is reduced.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

Full-solid potassium ion sensor and preparation method thereof

The invention discloses a full-solid potassium ion sensor, which comprises a substrate, a potassium ion selective electrode and an external reference electrode, wherein the potassium ion selective electrode and the external reference electrode are positioned in parallel on the substrate; both the potassium ion selective electrode and the external reference electrode comprise a reaction electrode,a contact electrode and a conductive lead for connecting the two electrodes; the reaction electrode is provided with an electrolyte layer; the electrolyte layer of the potassium ion selective electrode is provided with a potassium ion sensitive film; the electrolyte layer of the external reference electrode is provided with a reference film; and an insulating layer encircles the potassium ion sensitive film and the reference film and is provided with an opening for exposing the potassium ion sensitive film and the reference film, wherein the opening is used as a reaction area contacting solution to be detected during practical detection. The traditional potassium ion selective electrode and the traditional external reference electrode are integrated on the substrate, so the potassium ion sensor realizes microminiaturization and has the advantages of convenience for carrying, simple operation and rapid response. The invention also provides a preparation method for the full-solid potassium ion sensor. The preparation method simplifies the manufacturing flow, reduces the manufacturing cost and is suitable for mass production.
Owner:ZHEJIANG UNIV

Printing roller for laser paper printing and manufacture process thereof

InactiveCN103481638AThe printing level is natural and gentleThe production process is simplePlate printingFoil printingPhysicsPaper sheet
The invention relates to the technical field of gravure printing rollers, in particular to a printing roller for laser paper printing and a manufacture process thereof. The manufacture process comprises the steps of copper plating, rubber coating, laser carving, etching, decoating and chrome plating. The printing roller comprises a roller body, wherein a non-printing area and a printing area are arranged on the outer surface of the roller body; a copper-coated layer is fixedly connected to the surface of the non-printing area; the laser-carved layer is formed in the surface of the printing area; a chrome-plated layer is fixedly connected to the surfaces of both the copper-coated layer and the laser-carved layer; the laser-carved layer comprises a first carved layer and a second carved layer; the carved screen line number and the carved screen angle of the first carved layer are different from those of the second carved layer. Through the twice-carving process, the gravure-printed faults are dislocated, so that the printing layers are natural and smooth. The manufacture process is simple, the control is convenient and the production efficiency is high.
Owner:DONGGUAN YUNCHENG PLATE MAKING

Manufacturing method of tunable semiconductor laser and tunable semiconductor laser

Provided is a making method of a tunable semiconductor laser and a tunable semiconductor laser, wherein the making method comprises the following procedures: growing lower waveguide layer, multiple quantum trap structure, upper waveguide layer and indium phosphide layer epitaxially and sequentially on the n type substrate; growing earth silicon dielectric membrane on the epitaxial layer; dividing into active waveguide region and raster region; butting passive waveguide portion; removing earth silicon dielectric membrane and indium phosphide layer on the surface of the active waveguide region; growing ridge waveguide indium phosphide material and low resistivity InGaAs ternary layer sequentially; growing earth silicon dielectric membrane; making raster graphic of the ridge waveguide and the ridge waveguide on the raster region; etching raster of the ridge waveguide and the ridge waveguide on the raster region; growing earth silicon dielectric membrane continuously; opening the window separately on active waveguide region and raster region in order to make electrode isolation ditch; making P face and N face electrode of laser. The invention has good product property and high automation degree of the product making, which simplifies the technology process and has good product ratio.
Owner:GUANGXUN SCI & TECH WUHAN

AMOLED array substrate and display device

The invention discloses an AMOLED array substrate. The AMOLED array substrate comprises a plurality of pixel structures formed in an array mode on a substrate base plate, wherein each pixel structure is defined by a grid line, a signal line and a power line, and the signal line and the power line are perpendicular to the grid line. Each pixel structure comprises a thin film transistor structure, a positive electrode, a negative electrode and an organic luminous layer between the positive electrode and the negative electrode, wherein the positive electrode is located in a region corresponding to each pixel structure, and the negative electrode is a transparent electrode covering the whole substrate base plate. Each pixel structure further comprises a first negative electrode auxiliary line parallel to the signal line, wherein the first negative electrode auxiliary line is connected with the negative electrode through at least two dotted first through holes. In the AMOLED array substrate, each negative electrode is connected with the corresponding first negative electrode auxiliary line on the same layer with the corresponding signal line through the at least two dotted first through holes to enable each negative electrode and the corresponding first negative electrode auxiliary line to be connected in parallel, and the negative electrode resistance is reduced. In addition, the width of each first negative electrode auxiliary line can be decreased, the influence on the opening rate is reduced, and the opening rate is improved compared with the prior art.
Owner:BOE TECH GRP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products