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

501results about How to "Quick cost" patented technology

Culture base material for cultivating shiitake by using chrysanthemum straws and method for cultivating shiitake by using culture base material

InactiveCN102329171AStrengthen multi-level value-added resourcesIncrease yield efficiencyBio-organic fraction processingOrganic fertiliser preparationBiotechnologyChrysanthemum cinerariifolium
The invention discloses a culture base material for cultivating shiitake by using chrysanthemum straws. Chrysanthemum straw chips which are subjected to fermentation treatment are taken as a raw material, and auxiliary materials which have the effect of adjusting nutrition balance are added. The culture base material comprises the following components in percentage by weight: 77 percent of chrysanthemum straw chips, 15 percent of wheat bran, 5 percent of corn meal and 3 percent of bean cake. The chrysanthemum straw chips are treated by a fermentation treatment method and can be taken as a raw material of a culture medium when snowflake-shaped substances overgrow on the chrysanthemum straw chips. The pH value of the culture base material is kept at 6.5+ / -0.1. The invention also discloses a method for cultivating the shiitake by using the culture base material for cultivating the shiitake by using the chrysanthemum straws. The method comprises the steps of mixing materials, bagging, sterilizing, inoculating, growing mycelia, culturing, performing shiitake fruiting management, harvesting and the like. The problems about the improvement of the nutrient of the culture base material by treating the chrysanthemum straws, high-yield cultivation and management are solved.
Owner:安徽省庆元堂徽菊股份有限公司

High-efficiency radiating LED illumination light source and manufacture method

The invention discloses a high-efficiency radiating LED illumination light source with low cost, good radiating effect, high production efficiency and high manufacture precision and a manufacture method. The high-efficiency radiating LED illumination light source comprises LED bare chips (1) and a metal substrate (2), wherein a heat conduction insulating layer is deposited on the metal substrate (2); metal layers (6) are deposited on the heat conduction insulating layer; the metal layers (6)are covered by a welding prevention layer (8); the heat conduction insulating layer is combined by a silicon dioxide layer (30) or a silicon nitride (31) or the combination of the silicon dioxide layer (30) and the silicon nitride (31); a preset circuit connection and a preset figure are formed on each metal layer (6) according to the serial connection and parallel connection relation of the LED bare chip (1); the LED bare chips (1) are divided into a plurality of groups and are mounted on each metal layer (6) normally or inversely; and the LED bare chips (1) in each group and the LED bare chips in the plurality of groups are connected through the metal layers (6) to form circuits. The manufacture method comprises the steps of pretreatment of the metal substrate, formation of the heat conduction insulating layer, the metal layers and the welding prevention layer as well as the encapsulation of the LED bare chips.
Owner:NANKER GUANGZHOU SEMICON MFG

Automatic IC testing and sorting device

The invention discloses an automatic IC testing and sorting device. The device comprises a feeding device, a testing device and a sorting and storing device which are arranged on a machine frame; andthe machine frame comprises a first mounting plate and a second mounting plate, wherein the first mounting plate is vertically arranged, and the second mounting plate is connected with the bottom of the first mounting plate and is obliquely arranged. An IC material tube is clamped on the feeding device, IC chips which are not tested in the IC material tube are supplied to the testing device for testing through the feeding device, after the testing is finished, the chips are classified through the sorting and storing device and are stored in a plurality of empty material tubes. According to thedevice, a clamping mechanism with the IC material tube clamped is turned over, so that the IC material tube is changed into a vertical state, and the IC chips in the IC material tube slide out and get to a vertical material channel; the IC chips can be controlled by a blocking and pressing mechanism to be fed to the testing device one by one, testing chucks clamp the IC chips and push the IC chips to a testing PCB for testing, the IC chips are received through a material receiving table after the test is completed and are classified and placed to a first material storing mechanism or a second material storing mechanism, so that the speed of sorting and storing is increased, and the labor cost is saved.
Owner:昆山宇辰光通自动化科技有限公司

Method for using biomass waste for preparing nitrogen-doped carbon nanotube coated metal particle composite material

The invention discloses a method for using biomass waste for preparing a nitrogen-doped carbon nanotube coated metal particle composite material. The method includes the following steps that firstly, the biomass waste and KOH are evenly mixed in deionized water, an obtained heterogeneous mixture is carbonized under the protection of inert gas, and biomass charcoal is obtained; and then, the biomass charcoal, a nitrogenous nonmetallic compound and water-soluble divalent metal salt are evenly mixed in methyl alcohol, the obtained heterogeneous mixture is subjected to pyrolysis under the protection of the inert gas, and therefore a target product is obtained. By the adoption of the method, a two-step pyrolysis technology is adopted for achieving growth of carbon nanotubes, and dispersion of metal nanoparticles and formation of a cooperative acting mechanism are promoted; the stability of the composite material is reinforced through the structure of carbon nanotube coated metal nanoparticles; the surface activity and dispersity of a carbon layer are improved through in-situ decoration of the nitrogen element; and the contact and active site point number is increased through the formation of a rich pore structure and the high specific surface area.
Owner:安徽皖瑞能源科技有限公司

Active driving circuit for SiC power device of electric vehicle motor controller

The present invention provides an active driving circuit for a SiC power device of an electric vehicle motor controller. The active driving circuit comprises a dID/dt detecting circuit, a dVDS/dt detecting circuit, a feedback signal filtering circuit, a differential amplifying circuit and a power amplifying circuit. The differential amplifying circuit is connected with the gate of a SiC power device through the power amplifying circuit, the differential amplifying circuit is connected with a pulse generator Vgg to input a PWM drive signal; the feedback signal filtering circuit is connected with the differential amplifying circuit, the dID/dt detecting circuit is connected between the source of the SiC power device and the feedback signal filtering circuit, and the dVDS/dt detecting circuitis connected between the drain of the SiC power device and the feedback signal filtering circuit. The drain current change rate and the drain-source voltage change rate are directly fed back to the drive signal input end to modulate the drive signal, the current rising phase in the turn-on process and the voltage rising phase of the turn-off stage are independently controlled, a simple simulationcircuit is adopted to achieve, and therefore, the active driving circuit for the SiC power device of the electric vehicle motor controller is high in applicability, simple in implementation, low in cost and good in control effect.
Owner:HUNAN UNIV +1

Modularized extrusion molding apparatus and method for section bar with order-variable cross sections

The invention provides a modularized extrusion molding apparatus and a modularized extrusion molding method for a section bar with order-variable cross sections, belonging to the field of extrusion processing technology. The invention overcomes the problems of numerous procedures, high process requirements, a substantial texture tendency and difficult implementation of conventional preparation methods for bars with different cross sections and defects like easy generation of folds and superposition of material interfaces, etc. during processing and preparation. The cavity of a first-order module, the cavity of a second-order module and the cavity of a third-order module of the apparatus are combined and form an axial step-like extrusion die cavity with a continuous order-variable surface. The method comprises the following steps: assembling the apparatus; and placing a blank material in an extrusion cylinder, putting in a punch, allowing the punch to descend so as to extrude the blank material from the die orifice of the first-order module, the die orifice of the second-order module and the die orifice of the third-order module, stopping descending of the punch, removing the third-order module, allowing the punch to go a distance downwardly, then stopping descending of the punch, removing the second-order module and allowing the punch to descend again so as to realize extrusion molding of the blank material. The invention has the following beneficial effects: the apparatus is simple, the number of production procedures is small, and the method can be easily implemented, popularized and applied in production.
Owner:福建祥鑫股份有限公司

Optical band artificial composite structure material made by AAO template

A method for preparing optical band artificial composite structural materials by using an AAO template comprises the steps of selecting a polishing optical silicon chip, and depositing a layer of micrometer-grade aluminum film on the surface of the polishing optical silicon chip; preparing a porous alumina template with thickness less than 1 micrometer on the surface of the aluminum film by using an electrochemistry two-step anodic oxidation method; generating a single-channel nano-pore array AAO template; depositing a metal film layer on the single-channel nano-pore array AAO template by using a lateral vacuum deposition method; selecting an optical material substrate, and connecting one surface of the nano-pore array AAO template having the metal film layer with the substrate; removing the silicon chip; eroding the metallic aluminum film layer and the alumina barrier layer at the back side to form a two-channel pore array AAO template; and depositing a metal film layer on the other surface of the AAO template by using the lateral vacuum deposition method. The inventive method has the advantages of low cost, short processing cycle, large processing pattern area, and precise implementation of nanometer grade alignment between an upper metal grid layer and a lower metal grid layer; and has wide application prospect in fundamental research and practical applications of optical band artificial composite structural materials.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

Fully Automatic Microscopic Scanner

A fully automatic microscopic scanner, comprising an image acquisition mechanism (IAM) with a line array camera. The IAM and the microscopic scanning mechanism can move along X/Y/Z axis under the action of a power control mechanism and the stage mechanism and the light source mechanism are fixed and not moved. The light source mechanism comprises a flat light source with a condenser and the flat light source area is greater than or equal to the total area of the tray. The light source mechanism comprises a cooling fan and a water cooling unit. It also comprises a general control mechanism and a laser pre-focus system connected to it. The invention also discloses a fully automatic microscopic scanner which links the microscopic scanning mechanism and the IAM with the light source mechanism. According to the present invention, flexible adjustment of lens can be achieved to make the lens move forwards and backwards, leftwards and rightwards and up and down. In addition, with the unique light source mechanism and laser pre-focus system, the stage and the light source are fixed and not moved during the scanning process so that real-time accurate and fast focusing might be fulfilled. In such a way, unlimitedly extended microscopic scanning range, improved scanning efficiency and improved quality of scanning can be accomplished.
Owner:LI XINYU
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