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769results about How to "Achieve conduction" patented technology

Liquid crystal panel, manufacturing method thereof and display device

The invention discloses a liquid crystal panel, which comprises a color film substrate, an array substrate, a liquid crystal between the color film substrate and the array substrate, a crystal coatingthin film, a driving chip arranged on the crystal coating thin film and a circuit board; one end of the crystal coating thin film is bonded to the end face of the array substrate, and electrically connected with a metal conductor array in the array substrate; the other end of the crystal coating thin film is bounded with the circuit board. The invention further discloses a manufacturing method ofthe liquid crystal panel, and the display device. When the liquid crystal panel is accessed with signal, the crystal coating thin film is laminated on the end face of the array substrate by the method of end face binding, thus the conduction of the metal conductor array in the array substrate is realized, a long binding zone extended from the TFT substrate side can be avoided; the liquid crystalpanel is good for realizing an ultra-narrow side frame or a frame-free display device.
Owner:HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

OLED touch display substrate, manufacturing method, display panel and display apparatus

The invention discloses an OLED touch display substrate, a manufacturing method for the substrate, a display panel and a display apparatus. The OLED touch display substrate comprises a positive electrode and a negative electrode located on a substrate, an organic luminous layer located between the positive electrode and the negative electrode, and a pixel definition layer provided with via holes;the negative electrode comprises multiple sub-negative electrodes insulated mutually; the sub-negative electrodes are multiplexed as touch electrodes; and the OLED touch display substrate further comprises touch signal lines electrically connected with the touch electrodes through the via holes in a one-to-one correspondence manner. The OLED touch display substrate is small in thickness and free of a touch blind area.
Owner:BOE TECH GRP CO LTD

Cable testing system applied to minisatellite

The invention discloses a cable testing system applied to a minisatellite. The cable testing system comprises a cable adapter module, a channel control module, a conduction testing module, an insulation testing module and a system self-inspection module. Cables to be tested with different port types are connected to internal channels of the system through the cable adapter module, the channel control module controls connection and disconnection of the internal channels, the conduction testing module measures conduction resistance value among the channels, the insulation testing module measures insulation resistance value among the channels, and the system self-inspection module inspects and calibrates the system. The cable testing system solves the problems of low conduction insulation testing efficiency, poor accuracy, long period and high strength in low-frequency cables on satellites and ground testing low-frequency cables, quick testing of conduction insulation characteristics of the cables can be realized, and the cable testing system is applicable to the low-frequency cables on the satellites and the ground testing low-frequency cables.
Owner:AEROSPACE DONGFANGHONG SATELLITE

Switch tube driving circuit based on integrated driving chip

The invention discloses a switch tube driving circuit based on an integrated driving chip. The switch tube driving circuit comprises the integrated driving chip, an inverter, three diodes, four resistors, two electrolytic capacitors and two switch tubes, wherein a digital PWM (Pulse-Width Modulation) control signal is input at the high side digital signal input end of the integrated driving chip and a low side digital signal input end is connected with the digital PWM control signal through the inverter; the anode of the first diode is connected with a 12V power supply and the cathode of the first diode is connected with the high side output power supply end of the integrated driving chip, furthermore, the high side output power supply end is connected with the high side output grounding terminal of the integrated driving chip through the first electrolytic capacitor, and the anode of the first electrolytic capacitor is connected with the high side output power supply end; and the grid electrode of a second switch tube is connected with a low side driving signal output end through the third resistor, and the source electrode of the second switch tube is connected with the analog ground through the fourth resistor. The driving circuit has small power consumption and a wide duty ratio range, and digital signals are isolated from analog signals.
Owner:HANGZHOU HENGSHENG ELECTRONICS TECH

All-solid-state polyelectrolyte film, its preparation and application method

The invention provides an all-solid-state polyelectrolyte film based on polyvinyl formal or its homolog and a preparation method thereof. Through stepwise reaction of polyvinyl formal or its homolog and boric acid, oxalic acid, and a lithium salt in an organic solvent system, the solid-state polyelectrolyte film with polyvinyl acetal as a main chain and a lithium mono(oxalato)borate structure grafted on a polymer molecular chain can be formed. With low cost and simple operation, the all-solid-state polyelectrolyte film prepared by the invention can realize large-scale production, and has ideal ionic conductivity, electrochemical stability window and mechanical properties. Therefore, the all-solid-state polyelectrolyte film can be used as all-solid-state electrolyte in polymer lithium ion batteries to improve the safety performance of the lithium ion batteries.
Owner:浙江爱科新材料有限公司

Automatic film tearing machine for accessory assembly

The invention discloses an automatic film tearing machine for accessory assembly. The automatic film tearing machine comprises a transmission mechanism, a positioning and supporting mechanism, a filmtearing mechanism and a feed box, wherein the transmission mechanism is horizontally arranged on a rack; the positioning and supporting mechanism is arranged at a film-tearing station; the film tearing mechanism is arranged above the film-tearing station; the film tearing mechanism comprises a rotating component, a film clamping component and a pressing component; the film clamping component and the pressing component are respectively connected to the output end of the rotating component; the film clamping component and the pressing component comprise at least two groups, and every two groupsare arranged at an interval; the output ends of the film clamping component and the pressing component are downwards obliquely arranged opposite to each other; the feed box is arranged below the filmtearing mechanism and has an upward opening; after the protective film on gum is torn out by the film tearing mechanism, the torn protective film is put in the feed box. The automatic film tearing machine for accessory assembly disclosed by the invention is applicable to automatic whole line assembly of accessories, multiple films are torn each time, the film tearing efficiency is effectively improved, position offset of the gum or the glass sheet in the film tearing process is effectively avoided, and the assembling precision and quality are ensured.
Owner:SHENZHEN NUOFENG OPTOELECTRONICS EQUIP

Hybrid power underwater glider using battery electric energy and ocean temperature difference energy

The invention discloses a hybrid power underwater glider using battery electric energy and ocean temperature difference energy. The hybrid power underwater glider comprises a front immersion cabin section, a front pressure-resistant cabin section, a middle pressure-resistant cabin section, a rear pressure-resistant cabin section, a rear immersion cabin section, heat exchangers and horizontal wings, wherein the cabin sections are fixedly connected in sequence along a cylindrical rotation axis to form a hybrid power underwater glider body part, the heat exchangers are externally hung on a bellypart of the body, the horizontal wings are horizontally arranged on two sides of the rear pressure-resistant cabin section, the hybrid power underwater glider battery pack has two degrees of freedom of translation and rotation, and can be used for adjusting a pitching attitude angle and a course angle of the underwater glider; a hydraulic device in the main machine body and the heat exchangers form a hydraulic oil path, and in the diving preparation stage of the hybrid power underwater glider, an oil return path works, in the diving gliding stage, a solidification oil path works, in the floating conversion stage, the energy release oil way and the oil pumping oil way work, and in the floating gliding stage, the energy storage oil way works, and the buoyancy driving process is completed bycompounding two forms of energy, namely battery electric energy and ocean temperature difference energy.
Owner:TIANJIN UNIV

Flexible circuit board and manufacturing method thereof and display device

The invention discloses a flexible circuit board and a manufacturing method thereof and a display device. The flexible circuit board comprises a substrate, at least one conductive structure and a contact resistor group which are arranged on the substrate, packaging layers which are used for packaging the conductive structures and the contact resistor group and a ventilation membrane. The contact resistor group comprises a first contact resistor and a second contact resistor which are used for being electrically connected with the two ends of the conductive structures. The packaging layers andthe substrate form a cavity and a liquid storage region which are mutually communicated. The conductive structures comprise liquid conductive material arranged in the cavity. The liquid storage regionis used for storing the liquid conductive material. The ventilation membrane is used for packaging the liquid storage region and enabling the liquid storage region to be communicated with the external atmospheric pressure. When the flexible circuit board is stretched, the liquid conductive material in the conductive structures flows because of the change of the air pressure so that conduction between the liquid conductive material and the first contact electrode and the second contact electrode can be realized and the flexible circuit board is enabled to be stretchable.
Owner:BEIJING BOE DISPLAY TECH CO LTD +1

Method for controlling temperature of photoelectric separate fiber optic gyroscope optical path

The invention discloses a method for controlling temperature of a photoelectric separate fiber optic gyroscope optical path, which comprises steps: a magnetic shielding outer cover (2) is arranged on an optical fiber ring skeleton (4), and forms a closed magnetic shielding space with the optical fiber ring skeleton (4), the magnetic shielding outer cover (2) uses a covered edge design, and is clung to the upper edge of the optical fiber ring skeleton (4) after being mounted, and is packed on the inner wall of the optical fiber ring skeleton (4) along the peripheral direction, electrical heating bands are pasted on the optical fiber ring skeleton (4), and heat is transmitted to the optical fiber ring skeleton (4) through the magnetic shielding outer cover (2), and is transmitted to an optical fiber ring (3) through the optical fiber ring skeleton (4), thereby enabling the optical fiber ring (3) to achieve temperature balance. The method for controlling temperature of the photoelectric separate fiber optic gyroscope optical path enables the temperature in the optical fiber ring (3) to be uniformly distributed, a gyroscope works in a sett temperature range, prevents bias drift which is produced by shupe in effect, and achieves the performance demands of high precision optical fiber gyroscope zero bias and scale factors.
Owner:BEIJING AEROSPACE TIMES OPTICAL ELECTRONICS TECH

Magnetic electrode button

The invention discloses a magnetic electrode button, which comprises a magnetic electrode button male seat and a magnetic electrode button female seat, wherein the magnetic electrode button male seat and the magnetic electrode button female seat comprise magnets; the magnetic electrode button male seat and the magnetic electrode button female seat are connected together through attraction of the magnets and are conducted; and conducting ends of the magnetic electrode button male seat and the magnetic electrode button female seat are butted and conducted through adsorption of the magnets. The magnetic electrode button is fixed on a carrier to serve as a button in use; the magnetic electrode button female seat or the magnetic electrode button male seat is fixed by forming an opening in the carrier; and the magnetic electrode button is connected with the magnetic electrode button male seat and the magnetic electrode button female seat in use for charging and data transmission. The magnetic electrode button disclosed by the invention comprises the magnets, a positive conducting body and a negative conducting body, so that connection and conduction of the magnetic electrode button male seat and the magnetic electrode button female seat are achieved to form the magnetic electrode button; and the magnetic electrode button is simple in structure, easy to install and convenient to carry, is arranged on clothes or a wearable shell and is used for other charging fields.
Owner:SHENZHEN POMAGTOR PRECISION ELECTRONICS CO LTD

High-energy laser beam expanding and absorbing device

The invention discloses a high-energy laser beam expanding and absorbing device which comprises a laser beam expanding cone, an energy absorption cavity, a front panel and a fixing plate, wherein the energy absorption cavity adopts a hollow cylinder; the front panel is arranged at a laser incident end of the energy absorption cavity, and the fixing plate is arranged at the rear end of the energy absorption cavity and used for fixing the laser beam expanding cone; and the laser beam expanding cone comprises a pointed beam expanding cone, at least two spherical beam expanding cones and cylinder transition sections which are arranged in the laser incident direction sequentially, and radii of cylinders of the cylinder transition sections are increased gradually in the laser incident direction. The laser beam expanding cone simultaneously realizes beam expanding of incident laser beams in the length direction and the circumference direction of the absorption cavity, and effectively reduces the power density of laser shot to a heat absorption cylinder by the laser beam expanding cone; and by means of the high-energy laser beam expanding and absorbing device, absorption and conduction of hundred thousand joules to a megajoule of high-power laser energy of continuous waves are realized, the measuring accuracy of an energy meter is improved greatly, and the device has wide applicability.
Owner:NORTHWEST INST OF NUCLEAR TECH

Cell controller

A cell controller capable of ensuring high safety even when a short occurs among voltage detecting lines without causing increased costs is provided. The cell controller 10 includes a unit cell voltage detecting section 7 to detect a voltage of each unit cell 1 constituting a battery group through each voltage detecting line and a SOC adjusting circuit for adjusting a SOC of each unit cell 1 having resistors 2 for SOC adjustment, switching elements 6, and a bypass control section 8 to exercise on / off control on the switching elements 6. Each resistor 2 is connected in series to each voltage detecting line and the unit cell voltage detecting section 7 to detect a voltage of each unit cell 1 through each of the resistors 2. The bypass control section 8 lets the switching elements 6 corresponding to the unit cells 1 to be SOC-adjusted enter an ON state at a time of adjusting a SOC, and control is exercised so that each resistor 2 for SOC adjustment is connected in series to each voltage detecting line led from each positive and negative electrode of each unit cell 1 to be adjusted and each of the serially connected resistors 2 is connected in parallel to each unit cell 1 to be adjusted.
Owner:HITACHI ASTEMO LTD

Transparent display panel and manufacturing method thereof

The invention discloses a transparent display panel and a manufacturing method thereof. The transparent display panel comprises a substrate, organic electroluminescent devices, pixel electrodes, light-emitting layers, opposite-direction electrodes and a conductive layer, wherein the substrate comprises a plurality of pixel areas and a light transmitting area surrounding the pixel area; the organic electroluminescent devices are arranged on the substrate, correspond to the pixel areas of the substrate and comprise thin film transistors which are arranged on the pixel areas of the substrate; the pixel electrodes are arranged on the thin film transistors and electrically connected with the thin film transistors; the light-emitting layers are arranged on the pixel electrodes; the opposite-direction electrodes are arranged in the pixel areas of the substrate and located above the light-emitting layers; the conductive layer is arranged above the light transmitting area, located between the two opposite-direction electrodes and used for connecting the two adjacent opposite-direction electrodes; the conductive layer is made from conductive materials with the evaporation temperature lower than 600 DEG C.
Owner:EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD

GaN-based MS grid enhancement type high electron mobility transistor and manufacture method thereof

The invention discloses a GaN-based MS grid enhancement type high electron mobility transistor and a manufacture method thereof which mainly resolve the problems of low current density and poor reliability of a GaN-based enhancement type device. The structure of the device is that a transition layer (2) and a GaN main buffer layer (3) are sequentially arranged on a lining (1), a groove (4) is etched in the middle of the GaN main buffer layer, an AlGaN main barrier layer (5) is respectively arranged above the GaN mian buffer layer (3) on two sides of the groove, and a GaN auxiliary buffer layer (6) and an AlGaN auxiliary barrier layer (7) are sequentially arranged on the inner wall of the groove and the surface of the AlGaN main barrier layer (5) on two sides of the groove. A source electrode (8), a drain electrode (9), a grid electrode (11) and a medium layer (10) are arranged on the AlGaN secondary barrier layer (7). The source electrode (8) and the drain electrode (9) are respectively located on two sides above the AlGaN auxiliary barrier layer (7), the grid electrode (11) is located in the middle above the AlGaN auxiliary barrier layer (7), and the medium layer (10) is distributed on an area outside the source electrode, the drain electrode and the grid electrode. The transistor has the advantages of being good in enhancement type characteristic, high in current density, high in breakdown voltage, simple and mature in manufacture process and high in reliability, thereby being capable of being used in high temperature switch devices and digital circuits.
Owner:云南凝慧电子科技有限公司

Condensed materials

A method for synthesis of germanium nanoparticles in thin SiO2 films comprising: preparing a solution comprising silicon esters, germaniumtetrachloride (GeCl4) or germanium esters, methyl- or higher alcohols, and water; applying the solution to a surface of a substrate; consolidating the solution on the surface of the substrate, thereby obtaining a glass comprising silicon dioxide and germanium dioxide; selectively reducing the germanium dioxide to form germanium nanoparticles.
Owner:WESTFALISCHE WILHELMS UNIV MUNSTER

Liquid-cooled cable connecting assembly and connector

The invention discloses a liquid-cooled cable connecting assembly and a connector. The liquid-cooled cable connecting assembly comprises liquid-cooled cable connectors. Each liquid-cooled cable connector comprises a cable tail terminal, a pin terminal and a cable, wherein the cable tail terminal is provided with a first accommodating cavity with one end opened and a first liquid flowing channel communicated with the first accommodating cavity; the pin terminal is provided with a second accommodating cavity with one end opened and a second liquid flowing channel communicated with the second accommodating cavity; the cable comprises an insulating pipe and a conductor located inside the insulating pipe, two ends of the insulating pipe are respectively in sealed connection with the opened endsof the first accommodating cavity and the second accommodating cavity, two ends of the conductor extend to be inserted in the first accommodating cavity and the second accommodating cavity and are contacted with the cable tail terminal and the pin terminal respectively, and liquid flowing gaps are formed among the conductor and the first accommodating cavity, the second accommodating cavity and the inner wall of the insulating pipe. The liquid-cooled cable connecting assembly is simple in structure and convenient in operation, conduction of a coolant can be realized while electric connectionis ensured, and temperature rise of a contact piece at a heat source place can thus be controlled.
Owner:SHENZHEN WOER NEW ENERGY ELECTRICAL TECH CO LTD +2

Method for preparing liquid-metal-based anisotropic conductive adhesive

The invention discloses a method for preparing a liquid-metal-based anisotropic conductive adhesive. The anisotropic conductive adhesive prepared through combining low-melting-point liquid metal and an adhesive is easy to process and form and has good conductive anisotropic property and excellent bonding property. The method comprises the steps: (1) preparation of the liquid-metal anisotropic conductive adhesive: dispersing the liquid metal in the adhesive so as to obtain a mixture of liquid metal particles and the adhesive, removing bubbles from the mixture, and storing the mixture for lateruse; and (2) use method of the liquid-metal anisotropic conductive adhesive: coating a matrix with the debubbled mixture of the liquid metal particles and the adhesive, placing another matrix on the mixture, and carrying out curing forming, thereby obtaining the liquid-metal conductive adhesive. A temperature is set according to a vitrification temperature of the conductive adhesive, a force is applied to the conductive adhesive at the temperature, the temperature is restored to room temperature, and then, the conductive adhesive has excellent electric conductivity along a force direction andis in an insulation state vertical to the force direction.
Owner:江苏富勤电子材料有限公司

A lithium supplemental method of soft-clad lithium ion battery, a preparation method of lithium ion battery, and an intermediate lithium supplemental battery

A lithium supplemental method for soft-clad lithium ion battery, preparation method for lithium ion battery and intermediate lithium supplemental battery relate to that field of lithium ion battery. A) place that lithium supplement electrode in an air bag containing an electrolyte for after the battery core is encapsulated before the lithium supplement method of the soft-clad lithium ion battery is formed; B) electrically connecting the negative electrode of the battery cell and the lithium supplement electrode, and discharging the lithium supplement electrode to migrate the lithium in the lithium supplement electrode to the negative electrode, thereby realizing lithium supplement; C) then cut and removing that air bag and the lithium supplemental electrode. The lithium supplemental methodcan alleviate the technical problem of large battery weight, low energy density and iste of resources caused by the prior art lithium supplemental method, and achieves the technical effect of improvethe energy density of the battery.
Owner:SOUNDON NEW ENERGY TECH CO LTD

Shunt valve component and dish-washing machine

The invention discloses a shunt valve component and a dish-washing machine and relates to the technical field of cleaning appliances. The shunt valve component comprises a valve seat and a valve deck buckled on the valve seat; a water inlet is formed in the valve deck; at least three water outlets are formed in the valve seat; a shunt catch of a disk-shaped structure is arranged between the valve seat and the valve deck; at least one through hole is formed in the shunt catch; and the shunt catch can be rotated to enable the through holes to be aligned with the different water outlets in the valve seat so as to realize communication between any one or more of the at least three water outlets and the water inlet. The invention also provides the dish-washing machine with the shunt valve component. According to the shunt valve component, communication and disconnection between any one or at least two of the water outlets and the water inlet are realized through rotation of the shunt catch, so that the functions of single-water-outlet water discharge and multi-water-outlet combined water discharge are achieved. The shunt valve component is simple in structure, and as the shunt catch adopts the disk-shaped structure, the thickness of the shunt valve component is reduced, and more space is saved.
Owner:QINGDAO HAIER DISHWASHER

Electrostatic protector, electrostatic protection system and visual inspection testing method

The invention relates to an electrostatic protector, an electrostatic protection system using the electrostatic protector and a visual inspection testing method using the electrostatic protection system. The electrostatic protector comprises a first field effect tube and a second field effect tube, wherein the grid of the first field effect tube is connected with the drain of the first field effect tube and the source of the second field effect tube and is used as the input end of the electrostatic protector; and the grid of the second field effect tube is connected with the drain of the second field effect tube and the source of the first field effect tube and is used as the output end of the electrostatic protector. By combining the electrostatic protection and the visual inspection testing, the invention not only can effectively implement the electrostatic protection, but also can be conducted or cut off by controlling the voltage of the electrostatic protector, thereby implementing the visual inspection testing and reducing the technique complexity.
Owner:BEIHAI HKC OPTOELECTRONICS TECH CO LTD

Novel busbar and manufacturing method thereof

The invention discloses a novel busbar, which comprises an insulating layer, a busbar (busbar), an insulating material and a printed board (PCB) which are sequentially laminated into a whole, wherein a bonding sheet is arranged between any two adjacent layers of the insulating layer, the busbar, the insulating material and the PCB; the busbar is formed by inlaying an insulating plate and a copper bar; and the busbar is electrically connected with the PCB through an interlayer conduction structure. The embodiment of the invention further provides a manufacturing method of the novel busbar. The novel busbar disclosed by the technical scheme is of an integrally laminated molded structure; and a plurality of disadvantages due to the fact that the PCB and the busbar are installed together in a bracket fixing manner in the prior art can be overcome.
Owner:深圳众力新能源科技有限公司

Electrostatic locking vertical sensitive micromechanical inertial switch

The invention provides an electrostatic locking vertical sensitive micromechanical inertial switch which comprises an insulating substrate, array fixation electrodes, a pull-in electrode, a mass block, conjoined serpentine springs, spring fixation bearings and a reverse limit stop structure. The array fixation electrodes are formed by a graph array through layout wiring, is insulated from the pull-in electrode through air gaps, and is located on the insulating substrate. The mass block is connected with four conjoined serpentine springs, forms a suspended movable structure through the spring fixation bearing, and is located above the plane of the fixation electrodes and the pull-in electrode. The reverse limit stop structure is suspended above the mass block. According to the invention, the fixation electrode array is used; through in-plane multi-point layout, the conducting possibility of the fixation electrodes and the mass block is greatly improved; the pull-in electrode and the mass block are under electrostatic attraction, which can arbitrarily prolong contact time and improve contact performance; the reverse limit stop structure can effectively suppresses the large deformation of the mass block in a non-sensitive direction, which improves the stability of the device.
Owner:SHANGHAI JIAO TONG UNIV

Drain pipe component for cold cabinet and cold cabinet with same

The invention discloses a drain pipe component for cold cabinet and a cold cabinet with the same. The drain pipe component for the cold cabinet comprises an inner water pipe, an outer water pipe and a ventilating valve, wherein inner water pipe and the outer water pipe are connected; the ventilating pipe is arranged between the inner water pipe and the outer water pipe; and the ventilating valve is closed in an airtight mode when a door body of the cold cabinet is closed, and is opened when the door body of the cold cabinet is opened so as to allow external air to enter the cold cabinet through the ventilating valve. According to the drain pipe component for the cold cabinet provided by the embodiment of the invention, and the ventilating pipe is arranged between the inner water pipe and the outer water pipe, the ventilating valve is opened when the door body of the cold cabinet is opened, the conduction of the external part and the inner part of the cold cabinet can be realized, the inner and outer pressure of the cold cabinet are balanced, and the problem that the door body of the cold cabinet is difficult to be opened because the air pressure in the cold cabinet is too low is solved; and the ventilating valve is closed in the airtight mode when the door body of the cold cabinet is closed, cold air can be prevented from leaking out, and energy consumption is lowered.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD

Array substrate, manufacturing method therefore, and display panel

The invention discloses an array substrate, a manufacturing method therefore, and a display panel. The array substrate includes a plurality of thin film transistor, and each thin film transistor comprises a gate electrode, an oxide semiconductor layer, and an etching barrier layer, wherein the etching barrier layer is located on the oxide semiconductor layer which includes a channel region and a non-channel region, the non-channel region includes an electrode region and a connection region, and the electrode region includes a first electrode region and a second electrode region. Each connection region includes a first connection region and a second connection region, and the first electrode region, the first connection region, the channel region, the second connection region and the secondelectrode region are sequentially arranged in a first direction, and the first direction is parallel to the array substrate. A region, covered by the corresponding etching barrier layer, of each oxide semiconductor layer is a channel region. Each gate electrode is located at one side, far from the corresponding etching barrier layer, of the corresponding oxide semiconductor layer. The width of atleast one connection region is less than the width of the channel region in a second direction. The overlapping area of the gate electrodes with the non-channel regions is reduced, and the parasiticcapacitance is also reduced.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Blind-hole-conduction double-sided circuit board and processing method thereof

The invention discloses a blind-hole conduction double-sided circuit board and a processing method thereof. The blind-hole conduction double-sided circuit board comprises a substrate layer, an upper circuit layer and a lower circuit layer, wherein the upper circuit layer and the lower circuit layer are integrally adhered on the upper side and the lower side of the substrate layer via adhesive layers, conduction blind holes are arranged on the substrate layer and the upper circuit layer above the lower circuit layer, and an electroplating conduction wall conducting the upper circuit layer and the lower circuit layer are electroplated along the wall surface of the conduction blind holes. The blind-hole-conduction double-sided circuit board realizing blind hole conduction by copper electroplating via electroplating has the advantages of simple structure, fine conduction performance, environment friendliness and the like. The invention further provides a processing method of the blind-hole conduction double-sided circuit board, and by the processing method, production efficiency is improved, energy source consumption is reduced, conductive performance is improved, cost is reduced, and besides, the processing method is fine in quality guarantee coefficient, convenience in operation and the like.
Owner:吴祖

Auxiliary pressure relief valve

The invention relates to an auxiliary pressure relief valve which comprises a sliding valve body and a sliding valve core which is arranged in the valve body in a sliding way, wherein the sliding valve body is of a cylindrical structure with one open end, one end face of the sliding valve core, which is far away from the closed end of the valve body, is provided with an axial blind hole, the peripheral surface of the sliding valve body is provided with an oil outlet which is communicated with the axial blind hole, the sliding valve body is provided with an oil outlet channel which is communicated with the oil outlet after the sliding valve core bears an upstream oil-pumping pressure and is displaced; a pressure relief spring which is used for returning the sliding valve core after the upstream oil-pumping of the sliding valve core is completed is arranged between one end of the sliding valve core, which is far away from the axial blind hole, and the closed end of the sliding valve body; a sealing pressure relief route for downstream pressure relief during the returning process of the sliding valve core exists between the oil outlet and the inner wall face of the sliding valve body; and the peripheral face of the sliding valve core, which corresponds to the oil outlet, is provided with a peripheral ring groove, and / or the inner wall face of the sliding valve body, which corresponds to the oil outlet channel and matches with the oil outlet, is provided with a peripheral ring groove.
Owner:AUTOL TECH

Shift register, drive circuit, and display panel

The invention provides a shift register, a drive circuit, and a display panel. The shift register comprises an initial control module, a first reversing module, a second reversing module, a pull-up control module, a first pull-up output module, a second pull-up output module, a first pull-down output module, a second pull-down output module, a first node, a second node, a third node and a fourth node, wherein the above modules respectively comprises at least one switch. The first pull-up output module and the first pull-down output module are used for controlling the signal output of a first signal output end, and the second pull-up output module and the second pull-down output module are used for controlling the signal output of a second signal output end. The first signal output end is electrically connected with the grid electrode of the display panel, and the second signal output end is electrically connected with the signal input end of a shift register at a next stage. Through two low-level signal input ends with different level signal values, a purpose that a semiconductor oxide transistor of the shift register cannot be conducted because of partially negative threshold is achieved.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1

Thermoacoustic oscillation suppression device based on variable-volume damping gas storage for liquid helium container

ActiveCN107917337ACircumferential distortion does not occurImprove sealingContainer filling methodsPressure vesselsFixed bearingThermoacoustics
The invention discloses a thermoacoustic oscillation suppression device based on a variable-volume damping gas storage for a liquid helium container. The thermoacoustic oscillation suppression devicecomprises a capillary tube, a gas storage sleeve, the damping gas storage, a moving plate, a screw rod fixing bearing, a ball screw, a nut pair, a screw nut fixing plate, a scaleplate, a gas storage fixing plate and a pressure sensor, wherein a corrugated pipe is adopted for the damping gas storage, so that the gas storage has the characteristics of being resistant to high pressure and high in sealing performance, and change for the volume of the damping gas storage can also be realized by virtue of the axial scalability of the corrugated pipe. Manual or automatic adjustment can be carried outon the volume of the gas storage according to the different use working conditions of the liquid helium container, so that the optimal suppression effect of the device for the thermoacoustic oscillation of the liquid helium container is guaranteed.
Owner:SHANGHAI JIAO TONG UNIV +1

Touch display panel and touch display device

The invention discloses a touch control display panel which comprises a first substrate and a second substrate, wherein the first substrate and the second substrate are oppositely arranged and comprise display areas and non-display areas, and the non-display areas surround the display areas; in the display area of the second substrate, one side, which faces towards the first substrate, of the second substrate is provided with a touch layer; in the non-display area of the second substrate, one side, which faces towards the first substrate, of the second substrate is provided with at least one conduction gasket; the conduction gasket is electrically connected with the touch layer; in the non-display area of the first substrate, one side, which faces towards the second substrate, of the first substrate is provided with an organic light-emitting element layer, and the organic light-emitting element layer is provided with a first insulation layer; the first insulation layer is provided with a first conducting layer; the first conducting layer comprises at least one connection gasket and a connecting wire, and the connecting wire is electrically connected with the connection gasket; the projection of the connection gasket on the second substrate is at least partially overlapped with the conduction gasket, and the connection gasket is electrically connected with the conduction gasket.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD +1
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