247results about How to "Not easy to short circuit" patented technology

This invention relates to a plane salient point encapsulation technology and its structure of IC or discrete components, among which, the technology includes: taking a base plate, dry-film layers are pasted to the front and back side of the base plate, removing part of the upper layer for the preparation of forming a basic island and pins, plating metal layers on the front, removing the rest dry film on the upper layer of the base plate, semi-etching it, removing the dry film on the back, implanting the chip, wiring, packaging with plastic capsule, pasting a dry film on the back of the base plate again, etching the dry film at the back and the rest of the metal of the semi-etched zone again so as to enable the back of the basic island and the pin projecting over the plastic capsule, removing the rest dry film, plating metal layers on the surface, pasting film on the front of the plastic capsule then cutting.

The invention provides a lithium-ion battery separator, and a preparation method and application thereof. The lithium-ion battery separator comprises a separator substrate and an aqueous function layer composited on the surface of the separator substrate. The aqueous function layer is equipped with multiple micropores. The aqueous function layer has viscidity. When the separator provided by the embodiment of the invention is applied to a polymer lithium-ion battery, a partial lithium separation phenomenon will not occurs in a cycle process and deformation or a relatively high expansion phenomenon will not occur in a battery pole group, thereby facilitating stability of cycle life. Moreover, the heat contractility of the separator is improved. The separator and an electrode are adhered together well with the combination of effects such as the viscidity of the aqueous function layer. In a safety test process or when the battery is abused such as the fact that the battery is punctured, extruded, twisted and bended, or when the battery is used in a high temperature environment for a long time, the safety performance of the battery can be greatly improved.

The structure of the complex low-voltage electric heating film (CLEHF) consists of the electric heating inorganic compound (EHIC), the hi-temperature durable (HTD) isolator, the electrodes and the anti-oxidation HTD isolation layer. The EHIC consists of the carbon system inorganic material, the rare-earth material, the metal oxide, the inorganic compound and the polymerization liquid medium adhesive. The manufacture technology of CLEHF includes: ingredient configuring, mixing, skiving, spraying, solidifying and forming. With a low work voltage of 12 volts, CLEHF heats up to 100 degrees centigrade in only 50 seconds. This invention possesses advantages of fast response time, high heating efficiency and wide application range. Depending on different features and usages of various heater bodies, different materials are selected to form different shapes of heating films. Therefore, this heating film adapts to all handy low voltage electric heating apparatuses.

The invention discloses a lithium battery thick pole piece rolling method, a pole piece rolling device and a lithium battery. Positive pole slurry and negative pole slurry are coated on a carbon-coated aluminum foil and a copper foil to obtain a positive pole piece and a negative pole piece respectively. Primary rolling and secondary rolling are carried out on the pole pieces sequentially to obtain thick pole pieces with a certain compaction density. Die cutting is carried out on the thick pole pieces to obtain a corresponding thick positive pole piece and a corresponding thick negative pole piece, and winding, assembling, baking, liquid injection, formation and capacity grading are carried out on the thick positive pole piece and the thick negative pole piece and a diaphragm to obtain thelithium battery. Circular concave points are uniformly distributed in the surface of a roller shaft of the rolling device, and concave points are uniformly distributed on the surface of a rolled thick pole piece, so that the specific surface area of the pole piece is increased, and the wettability of electrolyte during battery electrolyte injection is improved. After the battery is disassembled,the surface of the pole piece is free of wrinkles and smooth in interface, so that powder falling of the pole piece can be reduced, a current collector is not easy to scratch a diaphragm to cause short circuit of the battery, the attachment of active substances and the current collector can be increased, the active substances cannot fall off from the current collector, and the capacity and the safety performance of a battery cell can be improved.

The invention discloses a method for preparing a copper indium gallium selenide thin film battery, which comprises the following steps of: forming a metal back electrode layer on one side of a glass substrate; emitting a first laser beam penetrating the glass substrate from the side of the glass substrate away from the metal back electrode layer so as to form a first groove penetrating the metal back electrode layer; forming a copper indium gallium selenide light absorbing layer on the metal back electrode layer and the surface of the first groove; forming a buffer layer on the copper indium gallium selenide light absorbing layer; forming a barrier layer on the buffer layer; emitting a second laser beam to etch the barrier layer so as to form a second groove reaching the metal back electrode layer; forming a window layer on the barrier layer and the surface of the second groove; and emitting a third laser beam to etch the window layer so as to form a third groove reaching the metal back electrode layer. The copper indium gallium selenide thin film battery prepared by the method has the advantage of low possibility of generating short circuit.

The invention provides a biological filter deodorizing device, which comprises an air inlet pipe, a biological filter tower, a centrifugal fan and an air discharge chimney. The device is characterized in that: the biological filter tower adopts a double-tower structure of circular inner and outer towers; the inside of the tower is filled with inorganic-organic mixed fillers; the upper part of the inner tower is provided with a ring-shaped air distribution channel; the upper part of the outer tower is provided with a ring-shaped air collection channel; the circumferences of the air distribution channel and the air collection channel are evenly provided with slotted type air outlets; the inner tower and the outer tower are communicated with each other by a lower part space; the air inlet pipe is communicated with an air inlet of the biological filter tower and the ring-shaped air distribution channel on the upper part of the inner tower; and an air inlet of the centrifugal fan is communicated with an air outlet of the biological filter tower and the ring-shaped air collection channel on the upper part of the outer tower, and an air outlet of the centrifugal fan is communicated with the air discharge chimney. The centrifugal fan pumps the biological filter tower, and a negative pressure is formed, thereby solving the problem of uneven air distribution and easy leakage of air existing in the prior device. The device also has the advantages of high removal rate, no secondary pollution, simple structure and convenient maintenance and management.

The invention discloses a wavy subsurface-flow constructed wetland landscape water body treatment system and method. The system combines a horizontal subsurface-flow constructed wetland with a vertical subsurface-flow constructed wetland to form a wavy subsurface-flow constructed wetland. By means of regularly arranging upper clapboards and lower clapboards inside the wetland and replacing a horizontal flow state with a wavy flow state, sludge flows in a plurality of modes which are connected in series and alternate in upstream and downstream flows, so that organic nutrient substances are sufficiently degraded to remarkably promote deposition of phosphorus; the sludge is repeatedly subjected to anaerobic and aerobic treatment, so that removing of nitrogen can be facilitated; appropriate limestone is added into the filler of the wetland to release Ca<2+>, so that phosphorus in the sludge generates insoluble deposition of calcium phosphate, and thus the removal rate of phosphorus is increased. Due to the adoption of modes, such as intermittent water distribution, water inflow to a water distribution pipe by forming openings in the bottom as well as serial or parallel operation of a plurality of wavy subsurface-flow constructed wetlands, the bed body of the constructed wetland plays a relatively large efficiency, the removal rate of nitrogen phosphorus and organic matters is increased and the sludge treatment capability is enhanced.

The invention provides a wafer bonding method and a wafer bonding structure. The wafer bonding method is characterized in that before the wafer bonding processing, an interlayer dielectric layer is formed on a wafer, and the interlayer dielectric layer comprises a first dielectric layer and an insulation layer, which are formed sequentially; an interconnection structure can be formed in the interlayer dielectric layer, and a part of the interconnection structure is protruded from the surface of the interlayer dielectric layer, and is a bonding end of the interconnection structure; and side walls are formed on the side walls of the bonding end. The wafer bonding method and the wafer bonding structure are advantageous in that the insulation layer is used to completely cover the surface of the interlayer dielectric layer, and the side walls are used to cover the side walls of the bonding end; after the bonding processing of a plurality of wafers, the adjacent bonding ends are provided with the insulation layers and the side walls for the isolation, and the short circuit is not easy to occur; and in addition, under the protection of the side walls, the bonding ends are not exposed in the external environment, and the oxide is not easy to form under the influence of the oxygen and the water vapour, and at the same time, the short circuit risk can be reduced.

The invention provides an organic electroluminescence display device which comprises a substrate, a plurality of interlaced power lines, a plurality of interlaced signal lines and a plurality of light emitting units, wherein the power lines and the signal lines are located on the substrate; the light emitting units are correspondingly surrounded by the power lines and the signal lines; and the power lines and the signal lines are arranged at different layers. The power lines and the signal lines are arranged at different layers, so that a certain distance is kept between the power lines and the signal lines when the aperture opening ratio is increased, then line short is not easy to occur and the yield loss is avoided.

The invention discloses a battery monitoring method and system. The battery monitoring method comprises the following steps of obtaining an energy change curve of a battery, wherein the energy changecurve represents an energy change of the battery during charging or discharging under an ideal state, each energy value of the energy change curve corresponds to one temperature difference value of the battery, and a fiber bragg grating temperature sensor is arranged on the battery; acquiring temperature values of the battery during the charging or discharging through the fiber bragg grating temperature sensor, and calculating a first temperature difference value between two temperature values of the battery in a preset time period; obtaining first electric energy, charged or discharged in thepreset time period, of the battery; and obtaining a first energy value corresponding to the first temperature difference value from the energy change curve, judging whether an absolute value of a difference value between the first energy value and the first electric energy is greater than or equal to a first preset threshold value or not, and if the absolute value of the difference value is greater than or equal to the first preset threshold value, ending power supply of the battery and outputting alarm information. The method and system are capable of improving the correctness of battery monitoring data and improving the safety of batteries during the work.

The invention provides a rotary conducting structure. The rotary conducting structure comprises an inner insulation sleeve and an outer insulation sleeve, the axes of the inner and outer insulation sleeves extend in the front and back direction, the inner insulation sleeve is arranged coaxial with the outer insulation sleeve, and at least one bearing is arranged in an annular space formed between the inner and outer insulation sleeves. Each bearing includes a circumferentially enclosed bearing outer ring, a circumferentially enclosed bearing inner ring and a conducting ball, wherein the bearing outer ring is fixedly assembled at the internal circumferential surface of the outer insulation sleeve, the bearing inner ring is fixedly assembled at the external circumferential surface of the inner insulation sleeve, and the conductive ball is connected between the bearing inner ring and the bearing outer ring. The bearing inner and outer rings of the rotary conducting structure are enclosed circumferentially and fixed to the inner insulation sleeve and the outer insulation sleeve which are arranged coaxially, the radial sizes of the different positions of the annular space formed between the bearing inner and outer rings are the same, the ball makes stable and unchanged contact with the bearing inner and outer rings when rotating circumferentially in the annular space in a circulated manner, and the rotary conducting performance is high.

The invention discloses an ionizing gas sensor based on a discharge electric field with a micro-gap polarization structure. The ionizing gas sensor comprises an external circuit electrode couple, the polarization structure and a material with a large length-diameter ratio, wherein the polarization structure is arranged at the area between the external circuit electrode couple; and the material with large length-diameter ratio is at least arranged on one of the polarization structure and the external circuit electrode couple. When the ionizing gas sensor works, lower voltage is only needed to be loaded onto electrodes of an external circuit, and the electric field which is enough to ionize target gas molecules is generated between the polarization structure and the electrodes of the external circuit by the polarization action of the polarization structure, so that the working voltage of the sensor is effectively reduced. Compared with the micro-gap structure between the external circuit electrode couple in the prior art, the ionizing gas sensor effectively solves the problems of instability and failure caused by contaminants such as dust, fiber and the like which fall into a micro-gap, and the signal to noise ratio and the sensitiveness are improved.

The invention discloses an aluminum grid, a preparation method of the aluminum grid, and a thin film transistor with the aluminum grid. The aluminum grid comprises an aluminum grid body and a cover layer covering the outer surface and the side walls of the aluminum grid body, wherein the cover layer is made of a metal with the thermal expansion coefficient less than 20. As the metal cover layer is made of the metal with the thermal expansion coefficient less than 20, the aluminum grid is unlikely to expand in high temperature; when the aluminum grid body is subjected to expansion, the compression stress generated is absorbed by the metal cover layer, so that phenomena of hillock and corrosion on the surface or the surface and the side walls of the aluminum grid body are prevented, and the grid, the source, the drain and the lead of the aluminum grid are prevented from short-circuit.

The invention provides an intelligent thermostatic health shoe, breaking through the configuration form of a traditional shoe. When making steps, a wear will step on a step generator; in particular, an elastic insulating housing is stepped so that it deforms, a compression part is driven to compress a piezoceramic generating element so that is generates electricity, a storage battery is charged after a transformation rectifier performs transformation and rectification, and the storage battery powers an information processing device, a heating device and a temperature detection device. When the temperature detection device detects that interior temperature of the shoe is lower than a set temperature lower limit, the information processing device wound control the heating device for heating so as to increase the interior temperature of the shoe and to keep a foot of the wearer warm; when the temperature detection device detects that the interior temperature of the shoe is higher than a set temperature upper limit, the information processing device wound control the heating device to stop heating so that the interior temperature of the shoe stops rising, thus ensuring that the interior temperature of the shoe is in a reasonable range suitable for human foot feeling temperature and giving wearing comfort.

The invention discloses a uranium-bearing low-temperature molten salt system, a preparation method thereof and an application of the system to the field of electrolytic preparation of metallic uranium, and aims to solve the problems that in current spent fuel dry reprocessing, an LiCl-KCl-UCl3 molten salt system within the temperature range of 400-500 DEG C is usually adopted, uranium is refined by molten salt electrolysis to generate structurally loose dendritic metallic uranium, short circuit of an electrolytic tank is easily caused, and large-scale continuous production cannot be realized.The metallic uranium electrolytically prepared by the uranium-bearing low-temperature molten salt system is high in purity and compact in structure and in the shape of a nodule (but the metallic uranium prepared by the LiCl-KCl-UCl3 molten salt system is structurally loose and dendritic and has essential difference from the metallic uranium electrolytically prepared by the uranium-bearing low-temperature molten salt system), and the electrolytic refining process is safe and controllable, can be applied to development of industrial spent fuel dry reprocessing technology to meet the requirementsof Chinese industrial continuous production of high-purity metallic uranium, and has a good application prospect. Further, the uranium-bearing low-temperature molten salt system is simple in production process, low in equipment and experimental condition requirement, low in energy consumption and pollution, has a good application prospect and is worthy of large-scale popularization and application.

The invention relates to a preparation method of a thin film single thermal battery with a central hole. The thin film single thermal battery comprises a die body. The preparation method comprises the steps of firstly, sequentially placing a collector plate with a central hole and an inertia current blocking ring in the die body from bottom to top; secondly, sequentially placing a negative electrode thin film sheet and an electrolyte separator sheet in the current blocking ring; and finally, placing a positive electrode thin film sheet at an upper end of the inertia current blocking ring, and moving the inertia current blocking ring to a hydraulic machine for pressing and formation. The preparation process of the single thermal battery is simplified, the prepared single battery has the advantages of small size, fast activation, high-overload impact resistance, stable electrical property and the like, the production efficiency can be effectively improved, the battery manufacturing cost is reduced, and the single battery has relatively good application prospect.

To provide a highly reliable variable resistor for hardly generating a short-circuit failure between terminals even if insert-molding an insulating substrate in a housing made of synthetic resin. This variable resistor is provided with a plate-shaped insulating substrate 7 formed with a resistor 8 and a collector 9, a plurality of mounting holes 7b formed at one edge side of the insulating substrate 7, a plurality of terminals 10 fixed to the plurality of mounting holes 7b so as to be conducted to the resistor 8 and the collector 9, and extended from one edge side of the insulating substrate 7 to the outside, a holding member 11 made of synthetic resin in which the fixed sections of the plurality of terminals 10 and the insulating substrate 7 are embedded in such a status that the resistor 8 and the collector 9 are exposed and a slider 6 sliding on the resistor 8 and the collector 9 and an insulating protrusions 11b and 11c extended to a direction crossing the plane face of the insulating substrate 7 between fixed sections of the plurality of terminals 10 fixed to the insulating substrate 7.

This invention discloses a commutation diode, chips especially for manufacturing the diodes and the manufacturing method, in which, said commutation diode is composed of a shell, a chip and a lead out wire, in which, the chip includes a long base region N, a phosphor diffusion region N area, a heavy boron diffusion region P area and a groove passive mesa, the long base region is in the middle of the chip, cathode K is on the phosphor diffusion region, anode A is on the heavy boron diffusion region, the upper part is the P diffusion region, the lower part is the B diffusion region, isolation walls are surrounding the chip with vertical through laser holes in the diameter smaller than 200mum and the inter-distance of 40-400mum and the mesa is between the isolation wall and the cathode K.

The invention provides an LED integrated circuit module and an LED display screen using the LED integrated circuit module. The LED integrated circuit module comprises LED chips and circuit lead feet arranged on the edge of the LED integrated circuit module; the circuit lead feet are connected with each LED chip; the circuit lead feet arranged on the opposite two sides of the LED integrated circuit module are arranged in malpositions. The circuit lead feet arranged on the opposite two sides of the LED integrated circuit module provided in the invention are arranged in malpositions, thereby reducing the risk of short circuit of the two LED integrated circuit modules when the circuit lead feet are welded, enabling the spacing between the LED integrated circuit modules to be set more compactly, reducing the pixel spacing of the LED display module and improving the resolution ratio and display quality of the LED display module.

The invention provides an array base plate. The array base plate comprises a under-laying base plate, a gate graphics layer, a source graphics layer and a source drain graphics layer, the gate graphics layer comprises multiple stripes of gate lines, the source drain graphics layer comprises multiple stripes of data lines, the gate lines and the data lines are arranged alternately, the array base plate is divided into multiple pixel units, the array base plate comprises a thin-film transistor arranged in the pixel units, the gate graphics layer comprises further a grid electrode of the thin film transistor, the source drain graphics layer comprises a source electrode and a drain electrode of the thin film transistor, the source graphics layer comprises an active layer of the thin-film transistor, wherein the orthographic projection of the drain electrode of the thin-film transistor on the under-laying base plate does not exceed the orthographic projection of the gate electrode of the thin film transistor on the under-laying base plate. The invention also provides a display panel and a display device. Poor display quality is not easily arisen by the display panel when displaying is conducted.

The invention discloses a rectifier grain, a production method thereof and a suction cup mould. The grain is in the shape of a regular hexagon. The production method for the grain comprises the following steps of: coating a photo-resist; adhering an MASK film; exposing; making a GPP film; arranging a glass sheet; waxing a chip; arranging a baffle; adhering the baffle; accurately aligning; cutting by sand blasting; and separating the grain. The suction cup mould comprises an upper die and a lower die, wherein the upper and lower dies are detachably connected with each other so as to form a cavity which can be vacuumized; the upper surface of the upper die is provided with a notch; the bottom surface of the notch is provided with a plurality of regularly hexagonal counter bores which are cellular and arranged closely; and each counter bore is communicated with the cavity. By using the structure and the method, the rectifier grain, the production method and the suction cup mould have the advantages that: firstly, the area utilization of the grain is improved, the product is durable, and the impact resistance is enhanced; secondly, the point discharge effect is reduced and the backward voltage resistance of the product is enhanced; and thirdly, the edge of a glass trench of the grain which is cut by the sand blasting method is tidy and the electrical performance is better protected.

The invention relates to a power testing device which comprises a first adapter, a first testing board, a second adapter and a second testing board, wherein the first testing board is connected with the first adapter, and the second testing board is connected with the second adapter. In the power testing device, signal terminals in a power supply unit are respectively connected to the first testing board and the second testing board through the first adapter and the second adapter, and the voltage of all terminals of the power supply unit can be tested through testing the pin voltage of both the first testing board and the second testing board.

The present invention discloses a heater structure of magnetron injection gun, which relates to microwave technology. The heater is formed by the circular ring circled by spiral cylindrical tungsten filaments or rhenium tungsten filaments. First structure of the heater is that two semicircles are formed by spiral cylindrical tungsten filaments or rhenium tungsten filaments; the two ends of each semicircle are provided with a bar-shaped lead; and a circular ring is then formed by fixedly connecting the four bar-shaped leads in pairs. The second structure is that the spiral cylindrical tungsten filaments or rhenium tungsten filaments are shaped into a circular ring, of which the two ends are provided with straight-bar-shaped leads having a clearance arranged therebetween. The heater structure of the present invention is applicable to various magnetron injection guns of gyrotron, and the processing technology is easy and convenient. Moreover, the heater is high in heating efficiency and is unlikely to bring about short-circuit failure.