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

65results about How to "Simplify the alignment process" patented technology

Method and device for aligning sentences in bilingual corpus

The embodiment of the invention discloses a method and a device for aligning sentences in a bilingual corpus. A source language corpus and a target language corpus in the bilingual corpus are in block alignment. The method comprises the following steps of: aiming at each alignment block in a source language and a target language, generating a candidate translation pair list according to a source keyword list and a target keyword list which are extracted from a source block and a target block respectively; generating a bilingual dictionary according to the translation probability of each translation pair in the candidate translation pair list; expanding the bilingual dictionary by taking a source-target keyword pair in each item in the bilingual dictionary as a seed translation pair in reference to contents of a text of the seed translation pair; translating a source sentence in the source block into a target language, and calculating the similarity between a translation result and a target sentence in the target block; and aligning the source sentence to the target sentence according to the similarity. By the embodiment of the invention, the flow of aligning the sentences can be simplified and the sentence alignment efficiency is improved.
Owner:FUJITSU LTD

Ligand modification quantum dot material, producing method of liquid crystal display panel and liquid crystal display panel

The invention provides a ligand modification quantum dot material, a producing method of a liquid crystal display panel and the liquid crystal display panel. The ligand modification quantum dot materials can be subjected to polymerization reaction under ultraviolet irradiation to generate polymers, the polymers are deposited on a substrate to form a polymer film capable of replacing a PI alignment film, the alignment manufacturing procedure of liquid crystals is simplified, cost is saved, and meanwhile the display quality of the liquid crystal display panel can be improved through quantum dots anchored into the polymer film. According to the production method of the liquid crystal display panel, the manufacturing procedure of the PI alignment film is omitted, the manufacturing procedure is simple, production cost is low, and the manufactured liquid crystal display panel has good display quality. According to the liquid crystal display panel, the PI alignment film is replaced with the polymer film formed by polymerizing the ligand modification quantum dot material and polymerizable monomers, the quality of the panel is greatly improved, and production cost is low.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

End-to-end voice synthesis method and system based on DNN-HMM bimodal alignment network

The invention discloses an end-to-end voice synthesis method and system based on a DNN-HMM bimodal alignment network, and belongs to the field of intelligent voice interaction. According to the method, a frame length prediction module is used for replacing a traditional end-to-end attention autoregressive structure, and a convolutional change module and a bidirectional long-short-term memory network are used for constructing an encoder and a decoder, so that a large number of model parameters are reduced. On the basis that a phoneme frame length sequence is obtained through DNN-HMM bimodal alignment network training, an end-to-end voice synthesis model is trained, and thus the process that a traditional end-to-end voice synthesis model obtains text and audio alignment information in an autoregressive attention mode is avoided. The trained model not only can ensure the high naturalness of the audio synthesized by the end-to-end model, but also can greatly reduce the consumption of computing resources and the time proportion during voice synthesis, so that the end-to-end voice synthesis technology can be deployed on hardware with low computing resources.
Owner:ZHEJIANG UNIV

Liquid crystal display panel and making method thereof

The invention provides a liquid crystal display panel and a making method thereof. Graphene is adopted to replace indium tin oxide to make common electrodes and pixel electrodes, by means of the advantages of graphene that the transparency is high, the conductivity property is good, the flexibility is high and the production cost is low, the display performance of the liquid crystal display penal is improved, and the production cost of the liquid crystal display panel is reduced; a vertical alignment agent and polymeric monomers are utilized for conducting alignment on liquid crystal molecules, alignment film is omitted, and the liquid crystal alignment process is simplified; further, a graphene oxide layer is arranged on the surface of a graphene layer, the capacity that the vertical alignment agent anchors a substrate can be improved, and the liquid crystal alignment effect is improved.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Packaging structure and method of optical fingerprint chip

The invention discloses a packaging structure and method of an optical fingerprint chip. The packaging structure comprises the optical fingerprint chip and a silicon cover plate; the optical fingerprint chip includes a first surface and a second surface opposite to the first surface, and the first surface comprises light sensitive pixels and bonding pads electrically connected with the light sensitive pixels; the silicon cover plate is attached and fixed to the first surface, and includes through holes arranged opposite to the light sensitive pixels in one to one correspondence; and the lightsensitive pixels of the optical fingerprint chip serve as reference positions of the through holes formed in the silicon cover plate. According to the packaging structure, the silicon cover plate withthe through holes serves as a collimator, the cover plate is fixed onto the optical fingerprint chip and serves as an aligning reference standard, aligning technology is simple, and the manufacturingcost is reduced.
Owner:CHINA WAFER LEVEL CSP

Optical module structure of pattern projection lamp

ActiveCN108089394AAlignment and positioning are simple and easySimplifies the alignment processProjectorsOptical elementsCar doorFree form
The embodiment of the invention relates to an optical module structure of a pattern projection lamp used for automobile lighting, in particular to a multi-channel optical projection module, which is used for a welcome light of a car door and is used to project an artistic pattern with a special shape or create a structured light pattern that builds the welcome atmosphere. The optical module of thepattern projection lamp is characterized in that it is a multi-channel optical projection module adopting fly eye lenses (lens array), which includes a large numerical aperture free-form surface collimation system, a front-end fly eye lens, a pattern film, and a rear-end fly eye lens. The multi-channel optical module is composed of at least two or more optical channels. Each optical channel projects an identical pattern and forms a clear and single pattern after being stacked in the distance.
Owner:DONG GUAN LONGIDEAL IND CO LTD

Alignment film material, making method of alignment film, as well as liquid crystal display panel and making method thereof

The invention provides an alignment film material, a making method of an alignment film, as well as a liquid crystal display panel and a making method thereof. The alignment film material disclosed by the invention comprises a polyimide main chain, a plurality of reaction type branch chains connected to the polyimide main chain, and a plurality of non-reaction type branch chains connected to the polyimide main chain. The making method of the alignment film disclosed by the invention is simple in making process, and the alignment film material is used for making the alignment film. According to the making method of the liquid crystal display panel disclosed by the invention, the alignment film is prepared according to the making method of the alignment film, the making process of adding reaction monomers to liquid crystal molecules is omitted, the making process of alignment of liquid crystals is simplified, reaction monomers which do not incompletely react are prevented from remaining in the liquid crystal molecules, and the quality of the panel is improved; and the made alignment film generates a uniform polymer network on a UV illumination rear surface, the alignment effects of the liquid crystals are promoted, and the angular field of the panel is extended. The liquid crystal display panel and the alignment film disclosed by the invention adopt the alignment film materials, so that the alignment effects of the liquid crystals are good, and good display quality is obtained.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Environment-friendly missile-gun fire vehicle

The invention provides an environment-friendly missile-gun fire vehicle, which comprises a vehicle body. A gun barrel fixing platform is arranged on the upper side of the vehicle body, a gun barrel is fixed on the gun barrel fixing platform and comprises a magazine holder; a controller, an elevation angle driving motor, a rotating motor and an inert gas storage tank are arranged in the vehicle body; the elevation angle driving motor is connected with the gun barrel fixing platform through an elevation angle rotating gear plate; a rotary fort is arranged in the vehicle body, one end of the rotary fort is fixedly connected with the elevation angle rotating gear plate, and the other end of the rotary fort is connected with a gear of the rotating motor through the rotating gear plate; the inert gas storage tank is connected with the gun barrel through an air duct. According to the environment-friendly missile-gun fire vehicle, high-pressure gas is taken as a power source; after aiming at a fire source, the fire vehicle can fire a carbon dioxide fire extinguishing bomb to instantly extinguish flame and isolate oxygen, and firefighters do not need to arrive in a fire ground and can quickly extinguish the fire, so that the labor and the materials are saved, and the material and property loss caused by a fire disaster is reduced.
Owner:帅汽(上海)新能源科技有限公司

Method for preparing transparent light mask

InactiveCN101661218AAvoid the process of achieving positioningSimplify the alignment processOriginals for photomechanical treatmentOptoelectronicsPhotomask
The invention provides a method for preparing a transparent light mask, which comprises the following steps: firstly, providing a transparent basal plate comprising a first surface and a second surface; secondly, attaching a reference plate to the first surface and covering the first surface completely, wherein a positioning basic point is arranged on the reference plate; and taking the positioning basic point on the reference plate as a reference and attaching a layer of figure light mask to the second surface. The method for preparing the transparent light mask has simple contraposition andcan save cost.
Owner:AVARY HLDG (SHENZHEN) CO LTD +1

Open long-path broad-spectrum gas measurement system

The invention provides an open long-path broad-spectrum gas measurement system, which solves the problems of narrow measurement spectrum range and a few measurable gas components of the conventional open long-path broad-spectrum gas measurement system. The measurement system comprises a plurality of light sources, a multiple transceiving fiber bundle structure, a telescope and a spectrometer, wherein the light sources can be light sources capable of transmitting continuous spectrums and tunable laser, and are respectively coupled to independent transmission fiber incident ends; and the light is emitted through the public ends of the transmission fibers, is collimated through a spherical mirror in the telescope, is reflected in the original direction after the light reaches a cube-corner retroreflector on the other end of the long path of the telescope, enters the public ends of the transceiving fibers through focusing of the spherical mirror, is emitted through the independent receiving fiber exit ends, and is subjected to spectrum detection by the spectrometer. The system only requires one concave mirror inside the telescope, has a simple structure and high spectrum utilization efficiency, and can complete absorption spectrum measurement of various gases from an ultraviolet waveband to an infrared waveband.
Owner:HEBEI UNIV OF TECH

Manufacturing method for light-blocking type micro-electro-mechanical variable light attenuator

The invention discloses a manufacturing method for a light-blocking type micro-electro-mechanical variable light attenuator. The method is based on micro-nano machining technology, bulk silicon machining technology is adopted to manufacture a fixed light-blocking board and a movable light-blocking board of the variable light attenuator, light-blocking materials are deposited on the fixed light-blocking board and the movable light-blocking board, so that the blocking and limiting effects on light beams are achieved; a light-permeable hole is formed in the fixed light-blocking board and is used for constraining the size of a light spot and limiting the diffraction of light. Technologies such as photoetching and corrosion are used for manufacturing the movable light-blocking board of the light attenuator so as to enable the movable light-blocking board to be capable of carrying out linear motion under the action of external driving force, and accurate adjustment of transmitted optical energy is achieved through the control over the position of the movable light-blocking board; finally, wafer level bonding integrates the fixed light-blocking board and the movable light-blocking board of the variable light attenuator, and controllable adjustment of the transmitted optical energy is achieved. By means of the method, the ordinary micro-nano machining method is adopted, technologies are mature and reliable, manufacturing accuracy is high, cost can be greatly reduced, and the manufacturing method for the light-blocking type micro-electro-mechanical variable light attenuator is suitable for scale production.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Dual plane heater for vehicle sensor system

A heater system for clearing moisture (frozen and liquid) from a windshield (14) around a through-windshield vehicle sensor (18) provides a chamber between the sensor and the windshield containing air that may be heated by a chamber supported heating element (30, 51). The warm air within the chamber applies heat over the windshield in the critical viewing area (26) without obstructing the sensor (18).
Owner:ILLINOIS TOOL WORKS INC

Liquid crystal display panel aligning method, liquid crystal display panel and display device

The invention provides a liquid crystal display panel aligning method, a liquid crystal display and a display device. According to the liquid crystal display panel aligning method, a first electrode and a first aligning film covering the first electrode are formed on a first substrate; a second electrode and a second aligning film covering the second electrode are formed on a second substrate opposite to the first substrate; a liquid crystal layer is formed between the first aligning film and the second aligning film; ultraviolet light is utilized to irradiate the second substrate; the secondaligning film and the liquid crystal layer are aligned, namely, the second aligning film has a pre-tilt angle; and the first aligning film is a vertical aligning film which does not need segmentationand alignment. The liquid crystal display panel aligning method provided by the invention is free of segmentation and alignment, only the second substrate is configured with a mask for alignment, andthe first substrate is not configured with a mask for alignment, thereby simplifying the liquid crystal display panel aligning process and decreasing the cost.
Owner:CHENGDU ZHONGDIAN PANDA DISPLAY TECH CO LTD

Alignment device and evaporation equipment

The invention provides an alignment device and evaporation equipment. The alignment device is used for aligning a target object and comprises a guiding mechanism, a second magnetic field generation mechanism located on the guiding mechanism and a first magnetic field generation mechanism which is arranged opposite to the first magnetic field generation mechanism, wherein in the state that the second magnetic field generation mechanism is mutually repulsive to the first magnetic field generation mechanism, the second magnetic field generation mechanism slides along the guiding mechanism, so that the target object is pushed to a preset position. The evaporation equipment comprises 1-4 groups of alignment devices provide by any embodiment of the invention, and the alignment devices are used for aligning the 1-4 corners of a mask plate. By adopting the alignment device and the evaporation equipment provided by the invention, the mask plate can be aligned conveniently and rapidly.
Owner:BOE TECH GRP CO LTD

Miniature tubular total station

The invention discloses a miniature tubular total station which is convenient to carry, simple in structure and can improve measurement accuracy and work efficiency. The total station is characterized in that the total station is provided with a tubular cylinder; a control module and a wireless network communication module connected with the control module are arranged in the tubular cylinder; a wireless display and control terminal is arranged correspondingly to the wireless network communication module; a sleeved which is coaxial with the tubular cylinder is in slide connection with the upper end of the tubular cylinder; the lower end of the sleeve is connected with a first shaft angle encoder; an output of the first shaft angle encoder is connected with the control module; the top end of the sleeve is provided with a pair of shaft brackets in opposite arrangement; a rotating shaft perpendicular to the tubular cylinder is arranged between the pair of shaft brackets; a distance measurement module and a second shaft angle encoder are fixedly connected with the rotating shaft; an aiming device the collimation axis of which is parallel to a distance measurement reference axis is fixed to the distance measurement module; and a level gage is fixed on the tubular cylinder or the sleeve.
Owner:刘雁春 +2

Vertical single-column cantilever type large-aperture honing machine

InactiveCN101890674ASimplify the alignment processAvoid bearing eccentric loadsHoning machinesHydraulic motorEngineering
The invention relates to a vertical single-column cantilever type large-aperture honing machine which relates to a hole-honing special machine. In the honing machine, the lifting drive mechanism of a honing head device comprises a cantilever type pedestal and a lift cylinder, wherein the lift cylinder drives the pedestal to move up and down; the honing head device is a collapsible honing head device containing a drive hydraulic motor, a hollow shaft, a mandrel, a wedge cylinder, a honing head disk with a center hole, a push rod and an abrasive stick; the abrasive stick is vertically and movably connected on the outside cylinder surface of the honing head disk through the push rod; the wedge cylinder is arranged in the center hole of the honing head disk; the lower end of the hollow shaft is fixedly connected with the top surface of the honing head disk to drive the honing head disk to rotate; the mandrel is arranged in the hollow shaft, the lower end of the mandrel is connected with the wedge cylinder to drive the wedge cylinder to move up and down; and the push rod is movably connected in the honing head disk along the radial direction of the honing head disk, the inner end of the push rod sticks to the wedge face of the wedge cylinder, and the outer end is connected with the abrasive stick. By using the honing machine of the invention, the use reliability of equipment is greatly improved, the service life of equipment is prolonged, and the maintenance cost of equipment is reduced.
Owner:YANGZHOU METALLURGICAL MACHINERY

Aerial-carrier course reference measurement-transmission method and system

ActiveCN109945824AMeet the needs of rapid responseOptimized Alignment AlgorithmAngle measurementJet aeroplaneComputer science
The invention relates to an aerial-carrier course reference measurement and transmission method. An external measuring device measures the course angle of an airplane, an alignment algorithm is optimized, an aligning process is simplified, the rapid aligning precision is improved, aligning time is shortened, and and the demand for rapid response of a combat is met. The invention also relates to anaerial-carrier course reference measurement and transmission system.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Self-aligned superconducting nanowire single-photon detection device and packaging method thereof

The invention belongs to the technical field of optical detection, and relates to a self-aligned superconducting nanowire single-photon detection device and a packaging method thereof. The self-aligned superconducting nanowire single-photon detection device comprises a superconducting nanowire single-photon detection chip; a chip fixing member, wherein the chip fixing member is provided with a packaging hole; wherein the superconducting nanowire single-photon detection chip is installed in the packaging hole, the optical fiber head is inserted into the packaging hole and is opposite to the detection surface of the superconducting nanowire single-photon detection chip, and the shape of the cross section of the optical fiber head is the same as that of the cross section of the packaging hole, and photons emitted by the optical fiber head are incident to the detection surface. According to the self-aligned superconducting nanowire single-photon detection device, the packaging hole is formed in the chip fixing piece, the superconducting nanowire single-photon detection chip is installed in the packaging hole, the optical fiber head used for emitting light is inserted into the packaginghole, and rapid alignment of the optical fiber head and the superconducting nanowire single-photon detection chip can be achieved.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Method for producing alignment layer for liquid crystal panel

A method for producing an alignment layer for a liquid crystal panel, which is produced by modifying an alignment film in a fixed direction and at a fixed angle by using an atmospheric pressure plasma source to form a uniform and isotropic alignment layer on the surface of the substrate. The resultant alignment layer has good uniformity and high anchoring energy, and the pre-tilt angle can be selected as desired. In addition, there are no problems with static charge generation, dust pollution and the like as in the prior arts. The method of the present invention is not restricted by vacuum apparatuses that need ion alignment or vacuum plasma alignment and the like and is not restricted by the size of the equipment. Therefore, the method of the present invention is suitable for treating the surface of an alignment layer of a large size liquid crystal panel.
Owner:IND TECH RES INST

Fixing device for linear laser output

The invention provides a fixing device used for linear laser output. The fixing device comprises a laser beam expanding cylinder, wherein a laser through hole for allowing laser beams to pass throughis arranged in the axial direction of the laser beam expanding cylinder; an emitter embedding groove which is formed in the laser incident end of the laser through hole, wherein the peripheral wall ofthe emitter embedding groove is coaxial with the peripheral wall of the laser through hole, and the bottom wall of the emitter embedding groove is perpendicular to the peripheral wall of the laser through hole, so that the output port of the laser emitter is aligned with the laser through hole, and then the laser beams are incident along the axis of the laser through hole; and a Powell prism embedding groove which is formed in the laser emitting end of the laser through hole, wherein the peripheral wall of the Powell prism embedding groove is coaxial with the peripheral wall of the laser through hole, and the bottom wall of the Powell prism embedding groove is perpendicular to the peripheral wall of the laser through hole; therefore, the non-cylindrical part of the Powell prism is embedded into the Powell prism embedding groove, and the axis of the Powell prism coincides with the axis of the laser through hole. Compared with the prior art, the axial alignment process of the laser beamand the Powell prism is simplified, and the use efficiency is improved.
Owner:MECH MIND ROBOTICS TECH LTD

System for manufacturing of three dimensional objects

A system for manufacturing of three dimensional objects by layered deposition comprises: a base substrate (18) for formation of three dimensional objects placed on a supporting plate; a functional assembly (1) comprising a gas-discharge electron beam gun (2), a feedstock guide (3), a cold annular cathode (8) and two annular anode electrodes; a high voltage power supply of the gas-discharge electron beam gun (2); a system of precise positioning of the supporting plate with the base substrate (18); a vacuum tight operation chamber; a vacuum subsystem for creating of necessary vacuum inside said operating chamber; a control system and a magnetic lens (13). Said lens (13) is placed on the underside of the gas-discharge electron beam gun (2) coaxially with it and with the feedstock guide (3), providing the possibility of transformation of a primary hollow electron beam (9) to the shape of a hollow inverted cone after leaving the discharge chamber (12) of the gas-discharge electron beam gun (2). An angle of inclination of the generating surface of said hollow cone can be adjusted by changing the current in the magnetic lens (13).
Owner:恩沃切尔沃那维利雅联合股份公司

Dual-spectrum image alignment method and device, electronic equipment and storage medium

The invention discloses a double-spectrum image alignment method. The method comprises the following steps: respectively acquiring a visible light image and an infrared image shot by image acquisitionequipment for a calibration plate, the calibration plate being provided with a calibration hole; extracting position information of calibration holes in the visible light image and the infrared image; calculating a scaling parameter and an offset parameter between the visible light image and the infrared image by utilizing the position information; and adjusting the visible light image and / or theinfrared image by using the scaling parameter and the offset parameter to enable the calibration plate in the visible light image to coincide with the calibration plate in the infrared image. According to the method, the mode of shooting the same calibration plate is adopted to guarantee that calibration plate information in the visible light image and the infrared image is consistent, alignmentparameters of the visible light image and the infrared image used for dual-spectrum image alignment are calculated through the information, and the complexity of dual-spectrum image alignment is reduced; the invention also discloses a dual-spectrum image alignment device, electronic equipment and a storage medium, which have the above beneficial effects.
Owner:IRAY TECH CO LTD

Center alignment method of large-sized equipment

InactiveCN102679830ASimplify the equipment alignment processEasy to operateMechanical measuring arrangementsMicrometerTesting equipment
The invention discloses a center alignment method of large-sized equipment. The center alignment method comprises the following steps of: after adjusting the level and the elevation of the equipment, rechecking the size from a coupling to the center of the equipment according to the size of a drawing; copying a rolling central line to the space above the coupling and reserving a size for a detection tool; pulling a steel wire; fixing a solid bracket on the coupling of the equipment; turning the coupling to ensure that the space between two crossed points of the swing amplitude of the bracket and the steel wire is greater than 1 meter; lifting a cord drop in the middle of the two points to detect a horizontal state and a center deviation when necessary; fixing a micrometer rod on the bracket; swinging the bracket to align the micrometer rod with the steel wire; adjusting the reading of the micrometer rod; adjusting the horizontal displacement of the equipment; and ensuring that the readings at two sides of the micrometer rod and the steel wire are less than a design permissible error value. The center alignment method is used for simplifying the alignment processes of the equipment and is simple in operation and convenient and practical; the error of a couple of millimeters per thousand in the permissible error requirement of the coupling can be directly read after an end face of the coupling is amplified, the adjustment is facilitated, conversion is not required, and the alignment working efficiency is greatly increased.
Owner:CHINA MCC17 GRP

A fan blade installation device for wind power generators using the principle of connecting rods

The invention relates to the field of new energy technology, and discloses a fan blade installation device for a wind power generator using the principle of a connecting rod, which includes a fixing seat, and a wheel hub installation groove and a fan blade installation groove are opened inside the fixing seat. The outside of the hub installation groove is fixedly connected with a hub clamping mechanism, the bottom of the fan blade installation groove is provided with a movable chute, and the inside of the fan blade installation groove is slidably connected with two fan blade fixing mechanisms. A connecting rod is fixedly connected between the leaf fixing mechanism, the first air pressure rod is fixedly connected to the outside of the blade fixing mechanism, the first air pressure cylinder is fixedly connected to the outside of the first air pressure rod, and the inside of the fixing seat There is a second pneumatic cylinder fixedly connected, through the cooperation of the hub installation groove and the fan blade installation groove, the positional relationship between the fan blade and the hub can be determined, the adjustment process can be reduced, the alignment time can be reduced, and the working efficiency of fan blade installation can be increased. .
Owner:冯忠贤

Optical contraposition apparatus for joint of circuit apparatus and substrates, and system having the same

The invention relates to an optical alignment device and a system provided with the same for combining a circuit device with a substrate, which are used for combining the circuit device with the substrate having a height difference with the circuit device through precise alignment. The combining system comprises a bearing device for bearing the substrate, a carrying and moving device for carrying and moving the circuit device, and a set of control device for driving the bearing device and the carrying and moving device to move relatively; and the optical alignment device comprises an optical image acquiring unit which is driven by the control device and is used for acquiring optical images of the circuit device and the substrate synchronously in the direction with the height difference, and an optical path compensating unit which is arranged between the circuit device and the optical image acquiring unit and / or between the substrate and the optical image acquiring unit, and is used for compensating the optical path difference of the height difference of the circuit device and the corresponding substrate. The optical alignment device and the system greatly improve the efficiency of the alignment for the needs of combining the circuit device with the substrate.
Owner:CHROMA ELECTRONICS SHENZHEN

High-resolution quantitative phase microscopic system based on annular LED illumination

The invention discloses a high-resolution quantitative phase microscopic system based on annular LED illumination, and the system comprises an annular illumination module, and a culture dish, a detection objective lens, a confocal unit, a spatial light modulator and an image collection module which are sequentially arranged in the light path direction of the annular illumination module, the annular illumination module comprises a light source mounting rack and a plurality of uniformly arranged LEDs, the culture dish is arranged right below the annular illumination module and located on a focal plane of the detection objective lens, light of the plurality of LEDs can irradiate a sample in the culture dish in an inclined direction to generate non-scattered light and scattered light, and the detection objective lens is used for collecting the scattered light and the non-scattered light; the spatial light modulator is used for performing phase modulation on non-scattered light of the sample, and the image acquisition module acquires a phase shift image. The common-path interference optical structure of the system improves the immunity of the system to external disturbance; and the image quality and the spatial resolution are greatly improved based on the coherent illumination of the multi-angle annular super-oblique part of the LED.
Owner:XIDIAN UNIV

Quick Alignment Tool and Method for Large Aeronautical Structural Parts

The invention belongs to the technical field of mechanical processing, and specifically relates to a quick alignment tool and method for large-scale aviation structural parts, including a support stud, a correction plate, an adjustment nut and a force application handle; one end of the support stud is provided with a handle for connecting the force application The connection end; the linear chute on the side of the supporting stud, the adjusting nut is screw connected with the supporting stud; one side of the correction plate is slidingly connected with the supporting stud, and the adjusting nut at the top of the correcting plate is flexibly connected. This technical solution is easy to use and has no excessive noise; the correction force is easy to control, which can greatly reduce the number of repeated alignments, simplify the alignment process, and effectively solve the long alignment time of large structural parts and the difficulty of accurate alignment straightness The problem of large size and high labor intensity of workers avoids the quality problems of parts caused by heavy objects hitting parts by mistake.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Optical fiber transceiver integrated air differential optical absorption spectroscopy (DOAS) measuring system

The invention provides an optical fiber transceiver integrated air differential optical absorption spectroscopy (DOAS) measuring system, which solves the problems of low spectrum utilization ratio and difficulty in instrument adjustment and optical path centering of the existing typical DOAS system. The measuring system comprises a point light source, a telescope, a spectrograph and an optical fiber bundle with a transceiver integrated structure, wherein, the optical fiber bundle with the transceiver integrated structure is composed of transmitting optical fiber and receiving optical fiber and provided with an optical fiber transceiver common port. The spectrum sent by the point light source is transmitted through the optical fiber transceiver common port from one end of the transmitting optical fiber, aligned through a spherical reflector in the telescope, reflected along the original direction after reaching a pyramid prism, focused through the spherical reflector and then enters the optical fiber transceiver common port, and finally transmitted through the other end of the receiving optical fiber and then led into the spectrograph for spectrum detection. Compared with the typical DOAS system, the measuring system reduces two plane reflectors, avoids a light beam being sheltered by the plane reflector during the transmission process, improves the spectrum utilization ratio and simplifies the instrument adjusting and centering process.
Owner:TIANJIN TONGYANG TECH DEV +2

A movable chip holding device for nucleic acid amplification instrument

The invention relates to a movable chip holding device for a nucleic acid amplification instrument. The nucleic acid amplification instrument includes a movable chip holding device. When a nucleic acid amplification reaction occurs, the chip in the movable chip holding device The center is facing the camera and the light source; the movable chip clamping device includes a chip clamp and a slide module assembly; the chip clamp is arranged on the slide module assembly, and a temperature control module is arranged on the chip clamp , the temperature control module includes a temperature control adapter board, the chip clamp includes a chip cover, a chip pressing plate, a chip frame and a chip positioning piece, and the slide module assembly includes a slider, a ball screw, a coupling Shaft and motor assembly, the present invention aligns the chip with the positioning groove, fastens the chip gland, and the chip pressing plate will be close to the top of the chip during the fastening process, causing the chip pressing plate to be pressed by the spring force of the chip, resulting in a soft connection The effect is to make the bottom of the chip closely connected with the thermal pad.
Owner:INTEGRATED BIOSYSTEMS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products