175results about How to "Avoid alignment problems" patented technology

The invention relates to a method for preparing front electrodes of solar cells, which comprises the following steps: firstly preparing discontinuous dot electrodes; and then connecting the dot electrodes by electroplating technology to realize that the electrodes collect and transport current but dielectric films still exist between the dot electrodes to have the function of passivation. The discontinuous dot electrodes are prepared by photoetching, evaporation and dissection methods, or firstly printed by silkprint, stencil printing or ink jet printing and then prepared by a sintering method. The electroplating is photoinductive electroplating or chemical plating. The dot electrodes effectively reduce surface recombination; and the adopted electroplating technology not only simply and accurately realizes the connection of the dot electrodes, but also effectively reduces the width of grid lines, namely reduces electrode shading areas and further reduces the surface recombination so as to contribute to improving battery efficiency.

The invention discloses a color photoresist containing fluorescent dye. The color photoresist can be used in a color filter to form a color photoresist layer, wherein the fluorescent dye is dissolved in a solvent of the photoresist, and the fluorescent dye has a certain color and also can absorb ultraviolet light or emit light according to the wavelength of the color to be displayed so as to increase the brightness, and significantly improve the brightness and chromaticity of the color photoresist. The invention also discloses a transflective liquid crystal display device, wherein the color filter of the device contains the color photoresist.

The invention relates to a production method of toughened glass polarizing lens, belonging to the production method of spectacle lens. The inventive method comprises optically grinding a blank to reach demand arc degree and thickness, immersing into strengthen solution in batch to process chemical reinforcement, while the arc degree of front convex surface of the prepared back optical sheet is some larger than the back concave surface of the front optical sheet, heating and pressing the polarizing film into a polarizing curvature film with arc degrees, adhering the polarizing curvature film between the back concave surface of the front optical sheet and the front convex surface of the back optical sheet, removing foams, feeding into a constant-temperature solidifying furnace to be solidified in batch to prepare round lens blanks, edging and cutting the round lens blanks in the shape of mirror frame to obtain the shaped lens with triangle edge, uniformly coating adhesive on the triangle edges of the shaped lens to seal edges, laying horizontally and feeding into the constant-temperature solidifying furnace to be solidified in batch, clearing abundant adhesive materials on the edges after solidification, to obtain final product. The invention resolves the batch production problem of polarizing lens.

The invention discloses a preparation method of a micro LED display panel and the micro LED display panel. The method comprises steps that a mask layer is formed on a first substrate, and openings arearranged in an array on the mask layer; an LED epitaxial structure grows at each opening; one side of the mask layer adjacent to the LED epitaxial structure is formed with a second electrode electrically connected with a second type semiconductor layer in each of the LED epitaxial structures; the LED epitaxial structures are transferred to a second substrate; the first substrate is stripped off;one side of the mask layer away from the LED epitaxial structures is formed with a first electrode electrically connected with a first type semiconductor layer in each of the LED epitaxial structures;the LED epitaxial structures are bonded to a target substrate through the first electrode; the second substrate is stripped off. The method is advantaged in that a problem of high binding difficultyduring huge-amount transfer of micro LEDs is solved, and the huge-amount transfer yield and efficiency are improved.

The method includes steps: polishing and cleaning rectangular surface prepared in selected material in high heat conducting and current conducting; polishing and cleaning rectangular surface prepared in selected insulating material in high heat conducting, and carrying out metallization treatment; connecting metallization face to material in high heat conducting, and cutting the connected material along direction perpendicular to connection face to obtain needed composite heat sink; polishing and cleaning plane of section of composite heat sink; welding laser chips and sinks arranged in alternation so as to obtain the product. The structure includes (1) laser chip bar, (2) material in high heat conducting and current conducting, (3) insulating material in high heat conducting. Features are: simple, favorable consistency of heat sink and raised mechanical strength.

This disclosure provides a communication system using a high-altitude aircraft traveling at relatively slow speeds, which can remain airborne for long periods of time. The communication system uses the airplane as a long term high altitude platform that relays signals between one or more ground-stations and / or satellites, aircraft, and the like. The ground-stations have narrow-beam antennas that are aimable, permitting the aircraft to maintain a larger station than would otherwise be possible using the narrow-beam antennas. The ground-stations adjust their aim based on information either gained by tracking the aircraft's signal, or transmitted by the aircraft to the ground-station.

The method includes following steps: using high voltage power supply dedicated to capillary in chip monitors whether separator tube and sample adding tube are unblocked; high voltage is applied to separator tube for a longer time to activate working electrode; if tubes are unblocked and electrode is activated, electrode holder is clamped on optical fiber clip matching to 3D adjuster; under stereomicroscope, front end of working electrode is put into micro tube; working electrode made from ultramicro disc carbon fiber is put inside micro tube through fine 3D adjuster. The invented device can detect electric active substance as well as non-electric active substance. Separating and detecting nonorganic as well as organic sample are realized through controlling electric potential on specific position and position of working electrode.

The invention relates to a cable marker printing and threading machine. The cable marker printing and threading machine comprises a movable clamping component, a threading component, a wire cutting component, a first mounting plate and a printing main panel; the printing main panel is arranged on the first mounting plate; the threading component and the wire cutting component are arranged on the first mounting plate; the movable clamping component is arranged on the printing main panel; the threading component comprises a threading pipe, a wire feeding structure, a guiding structure, a mounting block, a moving structure and a fourth mounting plate; a wire is arranged in the threading pipe; the wire feeding structure is located behind the mounting block and comprises at least a pair of wire feeding friction wheels used for transferring the wire; the wire cutting component is located in front of the threading component and is used for cutting off the wire; the movable clamping component comprises a cable marker mould which can be opened and closed, a clamping hole is formed in the cable marker mould, and the clamping hole is coaxial with the threading pipe. The cable marker printing and threading machine solves a calibration problem of the wire penetrating the cable marker and guarantees accuracy of the wire penetrating the cable marker.

The invention discloses a manufacturing method of a multi-channel light filtering micro lens array. According to the manufacturing method of the multi-channel light filtering micro lens array, due to the facts that a light filtering layer with the light filtering function is manufactured on a substrate by using photoresist with different colors and combining a traditional photoetching method, and then the micro convex lens array is directly manufactured on the light filtering layer through a hot melting method, the purpose that micro convex lenses have the integrated light filtering function can be achieved, additional optical filter structures are not needed, and development of the compact multi-channel light filtering micro lenses is achieved; a plurality of optical channels are arranged, and each optical channel can independently obtain image information of the corresponding wave band; due to the facts that the photoetching technology is adopted, and a first mask plate is used in cooperation, alignment between optical filters and the micro lens array is avoided; due to the fact that a light barrier layer is additionally arranged between every two adjacent micro convex lenses on the substrate, influence caused by incident stray light on the micro lenses can be reduced; the micro convex lens array can be applied to a multispectral imaging system, and monochrome imaging and color reconstruction are achieved; meanwhile, the micro convex lens array is compact in structure, and miniaturization of the multispectral imaging system is facilitated.

The invention discloses a dual directional antenna self-adaptive alignment communication method, which comprises the steps of: step 1), zeroing an azimuth angle and a pitch angle of a ground directional antenna; step 2), zeroing an azimuth angle of an airborne antenna; step 3), calculating a target angle theta 2a of the azimuth angle of the airborne antenna according to GPS position information of the airborne antenna and the ground directional antenna by means of an airborne antenna control module, and calculating a target angle phi 2a of the azimuth angle of the ground directional antenna and a target angle phi 2p of the pitch angle of the ground directional antenna according to the GPS position information of the airborne antenna and the ground directional antenna by means of a ground antenna control module; step 4), and rotating the airborne antenna by means of an airborne antenna servo module, rotating the ground directional antenna by means of a ground antenna servo module, and completing real-time alignment. The dual directional antenna self-adaptive alignment communication method adopts a precise and convenient calibration mode, improves the tedious and complicated calibration mode of the traditional system, and improves the competitiveness of products from the viewpoints of reliability and cost.

The invention belongs to the technical field of optics and relates to a device and method for quickly adjusting a Fabry-Perot interferometer. A part of an area without coating of a reflective film isprocessed at the edge of a planar reflector forming the plane-concave Fabry-Perot interferometer to solve the problem of difficulty in observation of reflection light spots and interference fringes inan adjusting process due to low transmittance of the Fabry-Perot interferometer. By introduction of a transition reference mirror aligned to a concave reflector and the planar reflector, alignment adjustment of the two reflectors of the plane-concave Fabry-Perot interferometer is realized. The device comprises a laser, a collecting lens, a diaphragm, a collimating lens, a spectroscope, a lens, anobservation screen, the planar reflector, the transition reference mirror and the concave reflector. By adoption of the method, Fabry-Perot interferometer adjusting precision is improved while adjusting speed is increased, and a practical value in adjustment of a precision measurement system with the Fabry-Perot interferometer is achieved.

The invention relates to the technical field of kitchen utensils, in particular to an extractor hood with double air inflow structures. The extractor hood comprises a box body assembly and a draught fan assembly; the draught fan assembly comprises a volute which is provided with a first air inflow channel, a second air inflow channel and an air outflow channel; the box body assembly comprises a main case and a rack located above the main case; the lower end of the volute is located in the main case; at least part of the upper end of the volute stretches out of the main case; the portion stretching out of the main case is located in the rack; the volute is vertically arranged in the box body assembly in a half-embedded manner; the flue gas sucking and exhausting resistance is small, the whole machine noise is low, the air volume and air pressure loss caused because the box body space is small is avoided, and improving of the lampblack sucking effect is facilitated; and besides, the volute is provided with the two air inflow channels, so that air flow entering the box body is made to be dispersed into two paths, noise is effectively lowered, it is also avoided that because of gas flow concentration, the air flow speed on the two sides is low, the smoke holding areas on the left side and the right side in the box body are widened, and therefore the lampblack sucking effect is effectively improved.

The invention discloses a manufacturing method of a solar energy battery. The method comprises: forming a first conductive type doping layer on the back surface of a substrate; forming a groove and a first conductive type doping area in the back surface of the substrate; forming a second conductive type doping area through an ion implantation mode; performing annealing processing on the substrate so as to form a first passivation layer on the side wall of the first conductive type doping area, the second conductive type doping area and the groove; forming a first metal layer on the first passivation layer; performing chemical etching on the first metal layer to remove the first metal layer on the side wall of the groove so as to form a first electrode in the first conductive type doping area and form a second electrode in the second conductive type doping area. By using the manufacturing method of the self-aligning solar energy battery, the problem of aligning during the manufacturing process of the solar energy battery is completely solved, and the process steps are greatly simplified.

The invention relates to a light path alignment method for convex aspheric surface reflector detection and belongs to the technical field of optical detection. The method is characterized by realizingcoarse alignment between an interferometer and a Handel ball by utilizing a scale mark device fixed at the back face of the Handel ball; realizing perfect alignment between the interferometer and theHandel ball by utilizing a cat eye image of an interferometer spherical standard mirror; and after finishing light path alignment between the interferometer and the Handel ball, carrying data processing on a surface interference image of a convex aspheric surface reflector to be detected collected by the interferometer, and determining whether light path alignment between the Handel ball and theconvex aspheric surface reflector to be detected is realized by judging whether an outer circle data center and an inner hole data center of the surface interference image obtained after data processing are overlapped, thereby solving the problem of alignment between the convex aspheric surface reflector to be detected and the whole optical detection system in the process of adopting the Handel ball to carry out convex aspheric surface reflector detection.

The invention discloses an exploding foil integrated chip based on low-temperature co-fired ceramic and a preparation technology thereof. The exploding foil integrated chip comprises a ceramic substrate, a metal layer, a flier-plate layer, an acceleration cavity, an explosive charging groove and an explosive column and further comprises metal via holes formed in the ceramic substrate, slurry, a welding disc zone, a Pd / Ag layer and other structures capable of being connected with other parts conveniently, and the welding disc zone, the Pd / Ag layer and the other structures are arranged on the back of the ceramic substrate. The ceramic substrate serves as a reflecting backboard in the integrated chip; the metal layer comprises a bridge zone, a transition zone and a guide belt; the flier-platelayer comprises a ceramic flier plate formed by integrally sintering a ceramic belt blank, and a Parylene C / W-Ti / Cu composite flier plate; the acceleration cavity is used for providing an acceleration space for the flier plate; and the explosive charging groove is used for providing precise position for placement of the explosive column. Compared with the prior art, the exploding foil integratedchip has the advantages that through the low-temperature co-fired ceramic technique, an exploding foil exploder is higher in integration degree and smaller in size, mass production can be achieved, the product consistency is improved, and the cost is greatly reduced.

The invention discloses a fixing and leveling structure for mounting a marine fan jacket foundation. The fixing and leveling structure comprises a plurality of pile legs of the marine fan jacket foundation and tubular undersea piles, wherein the pile legs is in one-to-one correspondence to the undersea piles; every pile leg is inserted into the undersea pipe from a nozzle at the upper end of the undersea pile and suspended and nested in an undersea pile; a first connecting piece and a second connecting piece which are used for fixing the pipe legs are arranged between every undersea pile and every pile leg; the first connecting pipes are integrated with the top ends of the undersea piles; the second connecting pieces are integrated with the outer circumference of the pile legs; the first connecting pieces and the second connecting pieces are locked; and an adjusting shim used for adjusting the mounting heights of the pile legs is arranged between every first connecting piece and every second connecting piece. The invention aims to provide a grouting locating structure for mounting the marine fan jacket foundation, so that subsequent grouting has the advantages that the cost is low, the operation is convenient, disassembly is not needed, and the operation time is little.

The invention discloses a manufacturing method for micro-nano graphs used for an integrated optoelectronic device. The method comprises following steps: firstly, manufacturing an imprinting template and fixing the imprinting template and an imprinting substrate; secondly, aligning and attaching the imprinting template and the imprinting substrate, and imprinting the micro-nano graphs of the imprinting template on imprinting photoresist of the imprinting substrate; and finally, etching an integrated optoelectronic device micro-nano graph structure by taking the micro-nano graphs transferred to the imprinting photoresist as an etching mask. According to the invention, an aligning problem, during an integrated optoelectronic device manufacturing process, of a nano-imprinting method is solved, and the yield of nano-imprinted micro-nano graphs is greatly improved.

The present invention discloses a driving chip structure of plasma plate display and its processing method, and is applied to column-location-selection driving chip and line-scanning driving chip of the plasma plate display. The chip structure includes P-type substrate, N-type epitaxial layer set on the P-type substrate, high-pressure-P-type, high-pressure-N-type and low-pressure-complementary-type lateral MOS transistors set on the N-type epitaxial layer, N-type-heavy-doped-buried-layer-and-high-pressure-P-type lateral MOS transistor set between the P-type substrate and the N-type epitaxial layer. The high-pressure-N-type and low-pressure-complementary-type lateral MOS transistors are set above the N-type-heavy-doped buried layer. The structure and its processing method of the present invention are based on epitaxial material, and there is a big cost advantage comparing with it of using SOI.

The invention relates to a single-silicon-wafer compound sensor structure with a pressure sensor embedded in an accelerometer and a manufacturing method. The compound sensor structure comprises a single silicon wafer, and an accelerated speed sensor and a pressure sensor which are integrated on the single silicon wafer, wherein the accelerated speed sensor and the pressure sensor are integrated on the surface of the single silicon wafer; the pressure sensor is suspended at the central position of a mass block of the accelerated speed sensor; a pressure reference cavity is directly buried into the mass block. According to the single-silicon-wafer compound sensor structure, the size of a chip is greatly reduced by the accelerated speed sensor and the pressure compound sensor, and the manufacturing cost is reduced; the structure is combined with an IC process so that large-batch manufacturing can be realized; meanwhile, the pressure sensor is directly suspended at the central position of the mass block, namely the size of the chip can be reduced to the greatest extent, and the mutual crosstalk of a detection signal between the accelerated speed sensor and the pressure sensor is also effectively eliminated, so that the detection precision of the compound sensor is greatly improved.

The invention belongs to an inertial navigation system calibration technology and relates to a platform inertial navigation gyro constant drift calibration method for an inertial navigation system. In the invention, the gyro constant drift cam be accurately calibrated in the use course of system equipment, therefore, the additional work of periodically calibrating gyro constant drift is avoided, and the alignment accuracy and the navigation accuracy of the system are improved. The invention can ensure that the gyro constant drift is accurately tested and revised in the alignment course of an compass of the inertial navigation system; the alignment and the navigation errors because of the incorrect test and revise of the gyro constant drift under the condition of low initial temperature of inertial components can be avoided; the manpower and the material resources for detection and screening are saved; the efficiency and the use survival rate are enhanced; and the use survival rate of the inertial navigation system is enhanced from 50% to above 80% after the method is utilized.

The invention relates to a novel crystalline silicon cell in the field of a photovoltaic technology, and specifically relates to a full back side contact crystalline silicon cell which is prepared through combination with an ion implantation technology, and also relates to a preparation method of the cell. The full back side contact crystalline silicon cell comprises a silicon chip substrate, an anti-reflection layer, a base electrode, an emitter electrode, a metal gate line and the like. The emitter electrode and the base electrode of the full back side contact crystalline silicon cell are not disposed in the same plane, so that electrons and cavities can be considered to move to the emitter electrode and the base electrode through a quire short path, and carrier bulk recombination in the cell can be reduced; through moving the emitter electrode and the metal grate line from a front surface, i.e., a light receiving surface to a back surface, the optical loss is reduced; the emitter electrode is obtained through an ion implantation method, and the process steps are reduced compared to a conventional thermal diffusion doping method; and the front surface and the back surface are each provided with a passivation layer, and the front surface is further provided with a front surface field (FSF), so that the carrier surface recombination can be reduced, and the invention finally provides a solar cell which has the advantages of high batch production efficiency and simple technology.

Imaging interference photo-etching method of movable mask and resister silicon concerns that, use a precise rotation machine; take low frequency and x direction high frequency component double exposure separated on vertical light illumination mask and x direction oblique illumination mask; rotate the mask and resister with 90Deg synchronously; take y direction high frequency component exposure to realize the third exposure needed by this method, and form high resolution mask image finally. The method is simple, need not use multiple lasers with different wavelength or frequency excursion device; decreases cost, simplifies structure, adjustment and focusing of system; use shutter to control exposure time, variable filter to adjust exposure light intensity rate, holophote of rotating in and out between low and high frequency component exposure to increase laser energy utilance, achieves imaging of high resolution and high quality finally. This invention needs not to adjust light path real-time among exposures, use a laser with one wavelength to realize imaging interference photo-etching, decreases adjustment, focusing difference, and exposure time, and improves exposure efficiency.

The invention discloses technology for manufacturing an in-mold label with a raised touch feeling, which comprises the following steps: 1, etching needed characters or patterns or a company LOGO in a mold insert by an etching method; 2, printing the characters or patterns or the company LOGO at a selected position in a selected color on a sheet; 3, arranging the mold insert on which the characters or patterns or the company LOGO are etched on an injection mold core corresponding to the characters or patterns or the company LOGO printed on the sheet; and 4, arranging the sheet in the injection mold core to make the sheet adhered to the surface of a plastic product. The technology for manufacturing the in-mold label with the raised touch feeling can realize raised character three-dimensional feeling of an in-mold label (IML) product in visual appearance or in sense of touch.

A driving device is used for driving a lens module to move. The driving device comprises a fixing support, a movable piece, a magnet, a magnetic plate, a supporting body, a guiding rod, a contact rod and a piezoelectric unit. The fixing support is provided with an accommodating space and an opening. The movable piece is arranged in the accommodating space and provided with a through hole. The magnet is fixed on the fixing support. The magnetic plate is fixed on the movable piece, and acting force between the magnet and the magnetic plate can fix the movable piece on a preset position in the fixing support. The supporting body is matched with the fixing support and used for accommodating the movable piece. The guiding rod penetrates through the through hole of the movable piece, and two ends of the guiding rod are fixed on the fixing support and the supporting body respectively. The contact rod is fixed on the movable piece. The piezoelectric unit is fixed in the opening, butts against the contact rod and is used for deforming to generate friction between the piezoelectric unit and the contact rod to drive the movable piece to move in the accommodating space along the guiding rod.

The invention discloses a method for preparing a multi-layer ridge optical waveguide. The method has an etching sequence from deep etching to shallow etching, wherein the deep etching comprises the following steps of: forming a groove and a silicon mesa on a top silicon layer of a silicon chip, filling the groove and flattening the silicon chip; and the shallow etching comprises the following step of removing one part of the silicon mesa, wherein a groove with a narrow opening is more easily filled and closed. The alignment offset in a multi-etching step is reduced by a cross photoetching method; moreover, an oxidation and deoxidation method is adopted to solve the problem of a rough surface of the waveguide, and the initial width of a silicon ridge on the waveguide is reduced simultaneously.

Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided.Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systemsutilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.

The invention relates to a preparation method of a multi-focus diffraction element, and the multi-focus diffraction element. The preparation method comprises the steps: basic parameters of the multi-focus diffraction element are obtained; according to the basic parameters, step etching depths corresponding to all focal lengths are calculated; and according to the step etching depths, simulation experiment demonstration is conducted to obtain the multi-focus diffraction element. According to the multi-focus diffraction element, the size of the multi-focus diffraction element is decreased, the aligning problem of a plurality of optical elements is avoided, and thus usage scenarios of the multi-focus diffraction element are more flexible and wider; and the multi-focus diffraction element cangenerate a plurality of equidistant focuses, peak energy uniformity and point spread function consistency of all the focuses can both have good results through optimization, and the multi-focus diffraction element can serve as an important light splitting element in a high-precision micro-nano processing system and has a very important effect on increasing the focal depth in certain specific imaging optical systems.