25593results about How to "Ease of mass production" patented technology

The present invention is directed to methods to harvest, integrate and exploit nanomaterials, and particularly elongated nanowire materials. The invention provides methods for harvesting nanowires that include selectively etching a sacrificial layer placed on a nanowire growth substrate to remove nanowires. The invention also provides methods for integrating nanowires into electronic devices that include placing an outer surface of a cylinder in contact with a fluid suspension of nanowires and rolling the nanowire coated cylinder to deposit nanowires onto a surface. Methods are also provided to deposit nanowires using an ink-jet printer or an aperture to align nanowires. Additional aspects of the invention provide methods for preventing gate shorts in nanowire based transistors. Additional methods for harvesting and integrating nanowires are provided.

The invention discloses a thin-wall round pipe turning and clamping device. The thin-wall round pipe turning and clamping device comprises a slide block bracket for slidingly mounting inclined surface slide blocks, a screw rod for slidingly mounting and supporting taper sleeves, and a clamping base, wherein the slide block bracket and the screw rod are both fixedly mounted at one end of the clamping base; the taper sleeves are slidingly mounted on the screw rod; at least two inclined surface slide blocks fitting the taper sleeves to tightly eject workpieces from the inner sides are slidingly mounted on the slide block bracket; elastic cushion blocks are respectively arranged between all the inclined surface slide blocks and the workpieces; fastening nuts for tightly pressing the taper sleeves are arranged at the ends of the screw rod; and antiskid washers are arranged between the fastening nuts and the end surfaces of the taper sleeves. The thin-wall round pipe turning and clamping device has the characteristics of reasonable design, simple structure, good use effect, high machining precision, convenience for disassembly of the workpieces, low labor intensity, high production efficiency, low production cost and convenience for promotion and application.

It is an object to provide a manufacturing method by which display devices can be manufactured in quantity without degrading the characteristics of thin film transistors. In a display device including a thin film transistor in which a microcrystalline semiconductor film, a gate insulating film in contact with the microcrystalline semiconductor film, and a gate electrode overlap with each other, an antioxidant film is formed on a surface of the microcrystalline semiconductor film. The antioxidant film on the surface of the microcrystalline semiconductor film can prevent a surface of a microcrystal grain from being oxidized, thereby preventing the mobility of the thin film transistor from decreasing.

The invention teaches novel structure and methods for producing electrical current collectors and electrical interconnections. Such articles find particular use in facile production of arrays of photovoltaic cells. The current collector and interconnecting structures are initially produced separately from the photovoltaic cells thereby allowing the use of unique materials and manufacture. Subsequent application of the structures to the cells allows facile and efficient completion of arrays. Methods for combining the collector and interconnect structures with cells and final interconnecting into arrays are taught.

A fabrication method of a package structure includes: preparing a metal plate having first and second surfaces and defined with an active region; forming a wiring layer with conductive traces and first electrical contact pads on the first surface; forming third electrical contact pads corresponding to the first electrical contact pads on the second surface; forming a first encapsulant on the first surface; forming on the second surface an open area to penetrate the metal plate, wherein the metal plate form conductive posts between the first and third electrical contact pads; mounting in the open area a chip electrically connected to the wiring layer; forming a second encapsulant in the open area, the wiring layer and the third electrical contact pads; forming first and second openings in the first and second encapsulants to expose the third electrical contact pads, respectively; and cutting the metal plate to remove the metal layer.

The invention discloses a sensor module of an automatic driving system, an automatic driving system and an automatic driving method. The sensor module comprises a front camera, a rear camera, a millimeter-wave radar group and an ultrasonic-wave radar group, and is characterized in that the front camera is used for recognizing lane lines, traffic marking lines, traffic signs and obstacles in front of a vehicle; the rear camera is used for recognizing lane lines and obstacles in rear of the vehicle; the millimeter-wave radar group comprises a plurality of short-range millimeter-wave radars and one or more middle-range millimeter-wave radars, the short-range millimeter-wave radars can cover all areas around the vehicle within 360 degrees and are used for detecting obstacles within the coverage scope and judging the position and the speed of the obstacles, and the middle-range millimeter-wave radars are used for detecting obstacles in front of the vehicle and judging the position and the speed of the obstacles; and the ultrasonic-wave radar group comprises a plurality of ultrasonic-wave radars, can cover all areas around the vehicle within 360 degrees and are used for detecting obstacles. The sensor module disclosed by the invention improves the reliability of the automatic driving system and reduces the security risk.

A packaging substrate having a through-holed interposer embedded therein is provided, which includes: a molding layer having opposite first and second surfaces; a through-holed interposer embedded in the molding layer and flush with the second surface; a redistribution-layer structure embedded in the molding layer and disposed on the through-holed interposer and having a plurality of electrode pads exposed from the first surface of the molding layer; and a built-up structure disposed on the second surface of the molding layer and electrically connected to the through-holed interposer. By embedding the through-holed interposer in the molding layer and forming the built-up structure on the second surface of the molding layer, the present invention eliminates the need of a core board and reduces the thickness of the overall structure. Further, since the through-holed interposer has a CIE close to or the same as that of a silicon wafer, the structural reliability during thermal cycle testing is improved.

The invention relates to a graphene composite lithium ion battery anode material lithium iron phosphate and a preparation method thereof. The composite material of lithium iron phosphate and graphene is connected by interface of chemical bonding. The invention also provides the method for preparing the graphene composite lithium ion battery anode material lithium iron phosphate in an in-situ symbiosis reaction mode, and the obtained anode material has high tap density and good magnifying performance, and is suitable to be used as a anode material of a lithium ion power battery.

The invention firstly discloses an oxidized graphene or graphene / inorganic particle core / shell material which is formed by electrostatic self-assembly, wherein inorganic particles are taken as the core of the material, oxidized graphene or graphene is taken as a shell layer, and the content of the oxidized graphene or the graphene is 0.1-2wt% of that of the inorganic particles. The invention alsodiscloses a preparation method of the oxidized graphene or graphene / inorganic particle core / shell material. Therefore, a new species is added for outer-coated inorganic powder materials and the application space of the inorganic particles is expanded; furthermore, the electrostatic self-assembly technology is further applied to the preparation of the oxidized graphene or graphene-inorganic powderhybrid material, and the method simultaneously has the characteristics of being mature and environmentally-friendly in process, being simple to operate, having no need of complex equipment, being easy for realization of large-scale production and the like.

The present invention is directed to methods to produce, process, and exploit nanomaterials, and particularly elongated nanowire materials. The invention provides a method for producing nanowires that includes providing a thin film of a catalyst material with varying thickness on a substrate, heating the substrate and thin film, such that the thin film disassociates at the relatively thinner regions and vapor depositing a semiconductor onto the substrate to produce nanowires. A method is also provided in which two or more thin films of different materials are overlayed over a substrate, selectively etching the first underlying thin film to create a plurality of islands of the second thin film that mask portions of the first thin film and expose other portions and growing nanowires on the first thin film. Additional methods for producing nanowires are provided.

The invention discloses a method for preparing antithrombotic medicament apixaban. The method comprises the following steps of: obtaining a compound V by performing an amidation-cyclization two-step one-pot reaction on paranitroaniline serving as a raw material and a general purpose reagent 5-chlorine valeryl chloride under an alkaline condition; performing di-chlorination on the alpha-hydrogen of the V by using phosphorus pentachloride; performing a condensation-elimination reaction with excess morpholine to obtain a compound VI; reducing the VI into a compound VII by using sodium sulfide; performing the amidation-cyclization two-step one-pot reaction on the VII and the 5-chlorine valeryl chloride to obtain a key intermediate III; obtaining II by performing a [3+2] cyclization-elimination reaction on the III and another intermediate IV; and finally, obtaining I by performing aminolysis on the II. The method has the advantages that: process design is reasonable, expensive reagent is not used, reaction yield is high, raw material cost is low, and the method is simple and convenient to operate, has no harsh reaction condition, and is easy to perform large-scale production.

An interconnected arrangement of photovoltaic cells is achieved using laminating current collector electrodes. The electrodes comprises a pattern of conductive material extending over a first surface of sheetlike substrate material. The first surface comprises material having adhesive affinity for a selected conductive surface. Application of the electrode to the selected conductive surface brings the first surface of the sheetlike substrate into adhesive contact with the conductive surface and simultaneously brings the conductive surface into firm contact with the conductive material extending over first surface of the sheetlike substrate. Use of the laminating current collector electrodes allows facile and continuous production of expansive area interconnected photovoltaic arrays.

The invention relates to the preparation of an inorganic functional material, in particular to a photochemical catalyst prepared by taking a porous mineral as a carrier for carrying an n-typed semiconductor with a large energy gap and a method thereof. The natural porous mineral and an artificial porous mineral are used for preparing the carrier to carry the n-typed semiconductor and a compound semiconductor with photochemical catalysis function; the catalyst prepared is applied to the degradation of organic pollutants by photochemical catalysis or to serving as the filling of paints which can reproduce after being poisoned. The carrier prepared by the invention has large specific surface area, strong adsorption capacity, good adhesive force and low environment cost, can remarkably improve the efficiency of the photochemical catalyst and lower the poisoning risk of the catalyst; the sol of the semiconductor or the compound semiconductor has a photoresponse range covering visible light area and ultraviolet light area, thus being capable of effectively utilizing the light energy and being beneficial to reduce the cost of the light sources; the sol-gel dipping method is adopted to realize loading, which has the advantages of mild condition, even distribution, simple technique and convenience for mass production.

The invention relates to a method and a device for separating magnesium and lithium and enriching the lithium from salt lake brine. The method comprises the following steps of: separating an electrodialyzing device into two areas by using an anion exchange membrane, namely a lithium salt chamber and a brine chamber, filling the salt lake brine in the brine chamber, and filling a supporting electrolyte solution which does not contain Mg<2+> in the lithium salt chamber; placing a conducting matrix coated by an ionic sieve in the brine chamber as a cathode; placing the conducting matrix coated by a lithium-embedded ionic sieve in the lithium salt chamber as an anode; under the driving of an external electric potential, embedding Li <1+> in the brine in the brine chamber into the ionic sieve to form the lithium-embedded ionic sieve, and recovering the lithium-embedded ionic sieve into the ionic sieve after the lithium-embedded ionic sieve in the lithium salt chamber releases the Li <1+> into a conducting solution; and discharging a liquid in the brine chamber after the lithium is embedded, adding the salt lake brine again, alternatively placing electrodes in the two chambers, and repeating and circulating operations. Through the method and the device for separating magnesium and lithium and enriching lithium in the salt lake brine, the separation of the lithium and other ions is effectively realized, and a lithium-enriched solution is synchronously obtained. The method has a short flow and low production cost, is simple to operate, can be operated continuously, and is easy to industrially apply.

The invention relates to a special multi-channel micro-flow controller used in syphilis diagnosis and using low-priced conducting material, which pertains to the field of analysis and test. One of theaims of progress of relevant diagnosis and treatment technology is to quickly diagnose syphilis disease with low price. The invention provides a diagnosis device which can realize the aim. The key points thereof are as follows: the controller is internally provided with four branch pipelines which are connected with each other in parallel; four working electrodes are respectively arranged in thefour branch pipelines; the working electrode consists of a conductive electrode and a gold colloid sensitive film which is embedded with a syphilis specific antibody and attached on the conductive electrode; the gold colloid sensitive films of the four working electrodes are respectively embedded with four different syphilis specific antibody substances; the four antibody substances are respectively syphilis specific antibodies of TP0684, TP0453, TP0821 and TP0319; and the working electrodes take the shape of fibers, and the bodies of working electrodes is made of material of thermal decomposition and conductive polymer. The chip of the proposal has low cost and a plurality of channels.

The invention discloses an infrared touch screen and multi-point touch positioning method. That is, at least one touch-screen direction detection, a set of infrared emission scanning circuit corresponding two infrared receiver scanning circuit; a set of infrared emission scanning circuit of an infrared launching the beam of light emitted by the components of a scanning infrared receiver circuit in an infrared receiver components of the receiver at the same time, in the receiving area also receive another set of infrared scanning circuit components of the receiver to receive an infrared detection in infrared touch screen The algorithm process that could be used to determine in advance the scope of touch point touch-point detection algorithm module. The present invention generally use the touch position detection algorithm is a touch location coordinates point to touch another pre-detection algorithm to determine touch point in the region, in combination with detection algorithm is usually the touch location coordinates. The invention can identify two or more touch operation, while more effective identification can touch position.

The invention provides a high-abrasion Ti(C, N) based metal ceramic tool and a preparation thereof. The Ti(C, N) based metal ceramic tool uses Ni and Co as a binder phase, is added with at least one carbonitride of Ti(Cx, N1-x) or (TiC)x plus (TiN)1-x as a basic batch, and consists of at least one composition of WC, Mo2C, Co, Ni, ZrC, Cr3C2, VC, TaC and NbC, and the balance being Ti(Cx, N1-x) or (TiC)x plus (TiN)1-x, wherein, an X value for adding the carbonitride of the Ti(C, N) based metal ceramic tool is as follows: X is less than or equal to 0.5 and more than or equal to 0.4, or the X is more than 0.5 and less than or equal to 0.7. The Ti(C, N) based metal ceramic tool is prepared according to the content of nitrogen by nitrogen pressure sintering or vacuum sintering combined with hot isostatic pressing treatment, thereby preventing nitrogen from escaping during the process of sintering high-nitrogen alloy, so that the high-nitrogen-carbon ratio in matrix and material hardness can be reliably guaranteed, and anti-oxidative abrasion property and anti-diffusive abrasion property of the material can be obviously increased through adding slight ZrC, Cr3C2, VC and other carbides into the basic batch; meanwhile, compactability and buckling strength of a low-nitrogen alloy structure can be obviously improved through optimally distributing each composition and content. The Ti(C, N) based metal ceramic tool is widely suitable for high-speed cutting tools of medium-low carbon steel and low alloy steel.

The invention discloses a low-profile broadband dual polarization omni-directional antenna. The antenna comprises a vertical polarization monopole antenna and a horizontal polarization loop antenna which are arranged side by side, and the loop antenna is composed of four rotational symmetric arc-shaped dipoles. A metal cylinder wraps a monopole feed probe to increase the monopole bandwidth, and parasitic units and directors are loaded outside dipole arms to increase impedance bandwidth of the loop antenna and gain out-of-roundness of the loop antenna on azimuth planes is reduced. The low-profile broadband dual polarization omni-directional antenna basically comprises an upper medium plate (1), a lower medium plate (2), plastic screws (3), a round patch (4), a loop patch (5), the feed probe (6), the metal cylinder (7), a metal floor (8), metal short circuit columns (9), arc-shaped printed dipoles (10), L-shaped feed baluns (11), the parasitic units (12), the directors (13), a coaxial line (14), 100 ohm microstrip lines (15) and a small metal wafer (16).

The invention discloses an automatic pomelo peel-flesh separating device and an automatic pomelo peel-flesh separating method. The method comprises the following steps: first, clamping and placing a pomelo on a fixing needle which is in the center of a working bench by cooperatively controlling a vertical electric push rod and an unfolding electric push rod, and operating a peeling mechanical claw; then, measuring the size of the profile of the pomelo by utilizing a laser distance sensor, performing data analysis processing on the data of the profile size of the pomelo and determining subsequent actions by a power supply and a control cabinet, and respectively cutting off the top cover of the pomelo and dividing the peel of the pomelo into eight pieces equally by cooperatively controlling the actions of an upper horizontal stepping motor, a lower horizontal stepping motor and a vertical stepping motor, and utilizing a top removal cutting knife and a peel scratching hobbing knife; finally, cooperatively controlling the vertical electric push rod and the unfolding electric push rod to move, and enabling the peeling mechanical claw to move along the trajectory in the peel of the pomelo to peel the peel of the pomelo, clamp the flesh of the pomelo and separate the flesh from the peel. According to the device and the method, the pomelo can be charged and discharged automatically; after the top of the pomelo is removed and the peel is scratched, all pieces of the peel are peeled precisely simultaneously without hurting the flesh.

This invention discloses an infrared touching screen and the multi-spot touching localization method, in an examination direction, the ray of light send out by the infrared emission part on the infrared emission sweep circuit not only can be received at least by one infrared sweep circuit's infrared receive part which is vertical to the part's position, but may also be received by another inclined relative infrared receive sweep circuit's infrared receive part at least which is deviated vertical to the part's position. Thus, in a scanning period, the ray of light send out by an infrared emission part may be received by two different position infrared receive parts in the different time, through a checking calculation between touching possible coordinate figure and location parameter, then may determine each touching position data, this invention realizes the multi-spot localization scanning examination method to be simple, the touching position data computation convenient, accurate, reliable, the circuit wafer type is few, the shape is rule, easy to realize the large scale production, does not have the complex succession corresponding relationships, easy to realize.

The color of an LED-based lamp can be tuned to a desired color or color temperature. The lamp can include two or more independently addressable groups of LEDs associated with different colors or color temperatures and a total-internal-reflection (TIR) color-mixing lens to produce light of a uniform color by mixing the light from the different groups of LEDs. The color of the output light is tuned by controllably dividing an input current among the groups of LEDs. Tuning can be performed once, e.g., during manufacture, and the lamp does not require active feedback components for maintaining color temperature.

A desulfurizing-denitrating catalyst contains cellular activated carbon (90-99.9 wt.%) and V2O5. It is applied through putting it on supporter in fixed-bed reactor and reacting on fume at 150-250 deg.C and 500-5000 / hr of space speed. Its advantage is high transform rate of 80% for SO2 and 50-100% for NO.

The invention relates to a display calibration system of a LED display screen and a calibration method thereof. The system comprises a video capture controller, a data distributor, scanning control cards and LED display modules; the memory chips of the display modules save simple-point calibration data of the display modules, which is uniformly arrayed in a LED display box in the light of a row or column cascade; a plurality of LED display boxes are uniformly arrayed in the light of the row or column cascade to constitute the LED display screen; the head end scanning control cards of each row cascade or each column cascade of the LED display screen are respectively connected with a GigE communication interface circuit of the data distributor, and the data distributor is connected with the GigE communication interface circuit of the video capture controller via the GigE communication interface circuit thereof; based on the systems, the method takes the LED display modules for saving the simple-point calibration data as units, thus realizing the calibration of display screen pixel. The invention reduces the bandwidth requirements on the connection among the scanning control cards, realizes the function of plug and play of the display modules, is convenient for batch production and simple in maintenance operation, and improves the synchronicity of calibration of the display screen.

The invention relates to a graphene-based porous macroscopic carbon material and a preparation method thereof, belonging to the technical field of porous macroscopic carbon materials. The material comprises graphene and carbon from polyvinyl alcohol and has large specific surface area. The preparation method comprises the following processes of: mixing a graphene oxide water solution and a polyvinyl alcohol solution, and placing the uniformly mixed solution into a hydro-thermal reaction kettle to obtain a graphene-based hydrogel; freezing and drying the hydrogel to obtain a graphene-based aerosol; and carrying out thermal treatment on the aerosol under the protection of an argon gas atmosphere to obtain the graphene-based porous macroscopic carbon material. The invention has the following advantages of simple preparation process and wide raw material source scope; and the prepared porous macroscopic carbon material has the following advantages of well-developed pore structure, extra-large specific surface area, favorable structural stability and wide application range.

A packaging structure of a semiconductor capacitive fingerprint sensor comprises a semiconductor sensor tube core, a groove type substrate made of insulation materials, a connecting wire, a connector assembly and an injection package structure. The sensor tube core is supported by and fixed at the bottom of a substrate groove through binding agents, the front face or the back face or the side face of the substrate groove is provided with a plurality of multilevel interconnection leads and contact through holes electrically connected between the multilevel interconnection leads, and a connecting welding disc formed by one or more conducting metal edge bars is printed on the grooved face of the substrate. The connecting wire is used for connecting pins of the sensor tube core and the connecting welding disc of the substrate, and the connector assembly is used for enabling the groove type substrate and a printed circuit board to be electrically connected. The connecting welding disc is connected with one or more grounding pins of the connection assembly through the interconnection leads arranged on the front face or the back face of the substrate and located between levels. One or more grounding pins of the connection assembly are electrically connected with the ground plane of the printed circuit board, and the tube core pins, the substrate conducting metal edge bars and the connection wire are packaged through the injection package structure.

The invention relates to a method for cyclically producing taurine at a high yield. The method includes the following steps that S1, ethylene oxide reacts with a sodium hydrogen sulfite solution to generate sodium hydroxyethyl sulfonate; S2, sodium hydroxyethyl sulfonate obtained in S1 is subjected to an ammonolysis reaction in ammonium hydroxide, flashing is carried out after the reaction is completed, and ammonia gas is recycled; S3, taurine-containing feed liquid of reaction liquid obtained after flashing in S2 is collected through an acid cation exchange resin column, the resin column is regenerated with a sulfur dioxide or carbon dioxide water solution after being inactivated, and eluant obtained during regeneration can be directly reused or reused after being treated with sulfur dioxide; S4, the feed liquid collected in S3 is subjected to after-treatment, and taurine is obtained. The method has the advantages that the generation amount of waste liquid in the whole process is small, part of substances are effectively and cyclically utilized in the process, the cost is reduced, the yield of taurine can reach 90% or above, meanwhile, the production process is relatively simple, and large-scale production is easy.

The invention discloses a broadband low cross-polarization printed dipole antenna with a parasitic element. The antenna has the advantages of broad frequency band, low cross-polarization, stable directional diagram, small size and simple structure. The antenna adopts a double-layer printed dipole way, and meanwhile, rectangular patches are uploaded on the upper end and at two sides of a dipole arm. The broadband low cross-polarization printed dipole antenna has the basic structure as follows: a metal earth plate, two layers of dielectric slabs, strip line feeding balun, a double-layer printed dipole arm, a rectangular patch arranged on the upper end of the dipole arm, rectangular patches arranged at two sides of the dipole arm and an SMA (Small A Type) joint. The greatest innovation of the broadband low cross-polarization printed dipole antenna is that the ultra broadband character and stable directional diagram character are obtained through uploading the parasitic elements in the manner of the rectangular patches on the upper end and at two sides of the double-layer printed dipole arm, 75% of bandwidth can be achieved under the condition that the standing-wave ratio is smaller than 1.5, and meanwhile, the broadband low cross-polarization printed dipole antenna has a stable directional diagram in the bandwidth, low cross-polarization and grain up to 6.1-9.3dBi. The size of the antenna is reasonably changed, i.e., other concrete embodiments of the invention can be formed.