59results about How to "Improve current conduction ability" patented technology

The present invention provides a winding lithium paste battery. The winding lithium paste battery has a battery cell formed by winding of a positive plate and a negative plate, the electrode active conductive material layer of the electrode piece comprises non-bonded and fixed electrode active conductive particles. The winding lithium paste battery further comprises a leakage preventing portion, the leakage preventing portion is arranged at the edge of the positive plate and/or the negative plate or arranged on a housing to prevent the positive pole active conductive particles in the positivepole active conductive material layer from being leaked from the positive plate and/or prevent the negative pole active conductive particles in the negative pole active conductive material layer frombeing leaked from the negative plate. The winding lithium paste battery is more compact in structure, can regulate the shape for the application occasions, and is convenient and flexible in application. Besides, the winding lithium paste battery employs the uniformly distributed multi-tab group or full-tab design to effectively improve the current conduction capacity, improve the current distribution and improve the utilization rate of the electrode active conductive materials.

The invention discloses a heavy-current whole-wafer total-pressure-contact flat-plate encapsulated IGBT (Insulated Gate Bipolar Transistor) and a manufacturing method thereof. The heavy-current whole-wafer total-pressure-contact flat-plate encapsulated IGBT comprises an IGBT whole wafer and a total-pressure-contact flat-plate encapsulation, the whole wafer comprises multiple independent IGBT device regions, each IGBT device region is composed of multiple IGBT units which are connected in parallel, collectors of all the IGBT device regions are connected in parallel to form a total collector, atransmitter is led from each IGBT device region independently, gate poles of all the IGBT device regions in a normal operating state are connected to a total gate pole arranged in the center of the wafer by using an interconnecting line, and the transmitter of each IGBT device region is connected with a metal electrode plate of a total transmitter in parallel by virtue of a metal gasket of the transmitter. According to the invention, a heavy-current IGBT whole wafer device is realized, the advantages of high working voltage, low switching power consumption and simple voltage control of the gate pole are maintained, current carrying capacity, heat-conducting property, heat shock resistance and long-term reliability of the device are improved, and the problem of property matching between IGBT units is solved.

The invention relates to an organic electroluminescence component and a manufacturing method thereof. The organic electroluminescence component comprises a basal plate, wherein a first electrode, an organic material layer, a second electrode and a sealing layer are sequentially formed on the basal plate, the first electrode is used as an anode, and the second electrode is used as a cathode and is a composite transparent structure layer for realizing the light emitting at the top. By forming the composite transparent cathode emitting light at the top, the invention enables the organic electroluminescence component to emit the light from the top and enhances the light-emitting utilization rate and the light transmission rate effectively, which not only enhances the aperture opening ratio of a display screen but also can obtain better display effect. Meanwhile, by adding a netty confluence layer on a semitransparent metal layer with high resistance, the invention ensures high transmissivity, also enhances the conducting power of current, meets the requirement of a top transmission type organic electroluminescence component effectively and can be applied to a display device with double-face display. The invention has simple and reliable structure and preparation process and extensive application prospect.

The invention provides an oxygen sensor electrode. The electrode is of a double-layer structure, and comprises a catalytic reaction layer and a flow-collecting layer, wherein the catalytic reaction layer has a high ceramic proportioning ratio, platinum powder is uniformly distributed in ceramic powder, so that a three-phase boundary among zirconium oxide, the platinum powder and oxygen is maximized; and the flow-collecting layer has a high metal platinum proportioning ratio and a good conducting capacity. A forming process of co-sintering the electrode and a solid electrolyte can be adopted for the oxygen sensor with the electrode provided by the invention, thus saving production cost; and moreover, the catalytic reaction layer of the electrode is closely combined with the solid electrolyte and free from the phenomena of layering and cracking, and the reduction of the catalytic performance due to the reduction of the three-phase boundary caused by the overburning of the platinum powder in the catalytic reaction layer is avoided.

The invention discloses a top-luminescence OLED and a preparation method and a display apparatus thereof. A second electrode serving as a cathode in the OLED is composed of a semitransparent electrode layer and at least one non-transparent electrode layer electrically connected with the semitransparent electrode layer. Patterns arranged on the at least one non-transparent electrode layer right face gaps among determined pixel units of an organic material layer, so that the aperture opening ratio of the OLED is not affected; and the at least one non-transparent electrode layer electrically connected with the semitransparent electrode layer can reduce the square resistance of the semitransparent electrode layer, so that the current conduction capacity of the cathode of the OLED is improved. Further, the display perspective of the OLED can be controlled effectively by designing the patterns of the at least one non-transparent electrode layer, so that pictures can be viewed at specific angles, and the display security is guaranteed.

The invention discloses a latch-preventing N type silicon on insulator transverse isolated gate bipolar transistor which comprises an N type substrate, wherein the N type substrate is provided with buried oxide, the buried oxide is provided with an N type epitaxial layer, and the N type epitaxial layer is internally provided with an N type buffering trap and a P type body region; the N type buffering trap is internally provided with a P type positive region, the P type positive region is provided with an N type negative region and a P type body contact region, and the surface of the N type epitaxial layer is provided with a gate oxide layer and a field oxide layer; and the surfaces of the N type negative region and the P type body contact region are provided with shallow P type trap regions, the surface of the gate oxide layer is provided with a polysilicon gate, and the surfaces of the field oxide layer, the P type body contact region, the N type negative region, the polysilicon gate and the P type positive region are provided with a passivation layer respectively. The transverse isolated gate bipolar transistor is characterized in that the positive inferior of the shallow P type trap region is also provided with a deep P type trap region is arranged under the shallow P type trap region, which shares one photoetching plate together with the shallow P type trap region and is formed by injection of high energy ions; and the deep P type trap region effectively reduces the conduction resistor of a body region, the current capacity of a device is improved, and meanwhile, and the risk of the latch generated in a working process is reduced.

The invention provides a manufacturing method of an OLED display panel and the OLED display panel. The method comprises the steps: providing an underlying substrate and forming multiple anodes arranged in an array on the substrate and auxiliary electrodes arranged in spaced regions of multipl anodes; forming a pixel definition layer on the underlying substrate, multiple anodes and auxiliary electrodes and forming multiple first openings corresponding to multiple anodes and second openings corresponding to the auxiliary electrodes on the pixel definition layer; forming an OLED light emitting layer covering the whole surface on the auxiliary electrodes, the pixel defining layer and multiple anodes; performing UV illumination on the OLED light emitting layer; and forming a cathode distributedon the whole surface on the OLED light emitting layer. The current conductivity of the electron transmission material in the OLED light emitting layer can be improved by the UV illumination treatment, the conduction obstacle between the auxiliary electrodes and the cathode can be eliminated and the improvement effect of the voltage drop can be improved.

The invention provides a novel power module which comprises a shell, a substrate, a base plate, and a chip. The substrate is connected with a radiator. The chip is fixedly connected with the base plate. The base plate is fixedly connected with the substrate. The power module is provided with a coolant flow loop inside. The coolant flow loop comprises a radiating passage, a coolant inlet, and a coolant outlet. The radiating passage, the coolant inlet and the coolant outlet are arranged inside the substrate and are integrated with the substrate. The radiator of the power module is integrated to the bottom, radiating is achieved by water cooling, the inside of the power module is directly cooled, various radiating intermediate media are avoided, property difference caused by the use of different radiators can be avoided, radiating efficiency is improved, and stable operation of the power module is guaranteed.

The invention discloses a mesa etching method for an III-nitride semiconductor light-emitting device. The method comprises the steps of firstly, epitaxially growing a buffer layer on a substrate, etching the buffer layer to obtain a patterned buffer layer substrate, and epitaxially growing a light-emitting device epitaxial layer with a transverse polarity structure on the patterned buffer layer substrate, wherein the transverse polarity structure comprises a nitrogen polarity domain and a metal polarity domain; and then etching the non-inert polarity domain by adopting a wet etching process according to the inert difference of the nitrogen polarity domain and the metal polarity domain in the etching liquid. According to the invention, a device mesa without plasma damage can be obtained; and the conversion efficiency of the III-nitride light-emitting device is improved, and the manufacturing cost is reduced.

The invention provides a self-locking chuck and an electrode slice connecting device, and the self-locking chuck does not get loose, and is safe in treatment, good in electrical conductivity, low in cost and good in universality. The self-locking chuck comprises an upper cover, a lower cover and a turning plate; the upper cover and the lower cover are buckled and connected, a clamping channel is formed between the upper cover and the lower cover, a connecting shaft is fixedly arranged at the front end of the upper cover, a half open shaft sleeve is arranged in the eccentric position of the turning plate, a front protruding part and a rear protruding part are arranged at the lower part of the turning plate, the shaft sleeve is correspondingly arranged at the upper end of the rear protrudingpart, the connecting shaft is sleeved with the turning plate through the shaft sleeve, a metal elastic sheet is arranged in the clamping channel, the lower end face of the metal elastic sheet is abutted against the lower cover, the upper end face of the metal elastic sheet is abutted against the rear protruding part and the upper cover respectively, and a wire extending outwards is arranged on the rear part of the metal elastic sheet. The electrode slice connecting device comprises an electrode slice and the self-locking chuck; the electrode slice comprises an electric conduction main body, atransition section and an extending end; the extending end is connected with the electric conduction main body through the transition section, and the front end of the transition section and the extending end are arranged in the clamping channel.

The invention relates to a high-performance and high-integration-level L-shaped gate-control schottky barrier tunneling transistor. A schottky barrier formed between a source electrode and an intrinsic silicon source section is used as a tunneling barrier of a device, the characteristic that the barrier height of the schottky barrier is smaller than the silicon band gap is adopted, on the premise that materials narrower than the silicon band gap do not need to be introduced, the tunneling probability higher than that of a common silicon-material-based PIN type tunneling field effect transistor is achieved, and therefore the subthreshold slope and the electric current conduction capacity of the device are accordingly improved. An L-shaped gate electrode is adopted for controlling an intrinsic silicon channel region with the groove structure characteristics; on one hand, the good control effect on the width of the schottky barrier is achieved; on the other hand, the control effect of the gate electrode on a heavy doping drain electrode region is weakened, and the high-performance and high-integration-level L-shaped gate-control schottky barrier tunneling transistor which has the steep subthreshold slope, the good switching characteristic, the high conduction current, the reversed low leakage current and the quiescent dissipation and is suitable for serving as a deep nanoscale integrated circuit design basic unit is achieved.

The invention provides a silicon carbide MOSFET device and a preparation method thereof, and relates to the field of semiconductor manufacturing. The preparation method comprises: over-etching SiC material on a partial surface at a P-well layer and an N+ source region; and etching a source contact window, and sputtering the source metal on the surface of the P-well layer and the N+ source region to form an ohmic contact. In the invention, by etching the surface of the P-well layer, the high-concentration P-well region can be directly in ohmic contact with the source metal, which optimizes thecurrent transmission path, and does not require high-dose P+ injection, reduces injection damage, and reduces preparation cost.

The invention discloses a static discharge ESD protective circuit comprising a static discharge branch with one or more MOS tubes, a grid trigger signal generating circuit and an underlay trigger signal generating circuit, wherein the grid trigger signal generating circuit is used for generating a grid trigger signal; the grid trigger signal is connected to a grid of at least one MOS tube; the underlay trigger signal generating circuit is used for generating underlay trigger signals that are connected to an underlay of at least one MOS tube; and the reaction time of the underlay trigger signal is not less than the rising time of the static discharge voltage or 20ns. The static discharge ESD protective circuit has the advantages of improving the protective capability of the static discharge protective circuit and reducing the possibility of current leakage caused by error trigger.

The invention discloses a planar power MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) device integrated with a junction barrier Schottky diode, which is used for solving the technical problem that conflicts exist when existing junction barrier Schottky cells and MOSFET cells jointly occupy an active region part of the device. The device comprises an epitaxial layer; a plurality of cells with the same shape and structure are distributed on the first side surface of the epitaxial layer; each cell at least comprises a well region, a source region, a highly doped P-type region and a Schottky region; the well region is in contact with the highly-doped P-type region, and the highly-doped P-type region surrounds the Schottky region; junction field effect transistor (JFET) regions are formed between adjacent well regions. A first PN junction is formed between the well region and the epitaxial layer; a second PN junction is formed between the well region and the source region; the value range of the width of the JFET region and the value range of the spacing of the highly doped P-type region are in the same preset interval. Through the device, the problem that conflicts exist when junction barrier Schottky cells and MOSFET cells jointly occupy the active region part of the device is solved.

The invention belongs to the technical field of cable manufacturing, and provides a deicing cable. The deicing cable is composed of inner cable cores, an insulation protective layer, outer cable cores, fillers and a frost-proof layer. The peripheries of the inner cable cores are covered with the insulation protective layer, the outer cable cores are distributed in gaps among the inner cable cores, heat generated after the outer cable cores are charged with electricity can deice effectively, and the frost-proof layer can effectively prevent the outer portion of the cables from being frozen. The deicing cable is reasonable in structural design, weight of the cable is reduced, and the deicing cable can deice and keep warm in normal electricity transmission, is good in frost-proof effect, can fast and effectively remove ice layers on the outer portion of the cable, is good in electric current transmission effect, good in weather ability and high in electric energy transmission efficiency, has certain rigidity, is good in torsional property, improves flexibility, can meet various requirements for electrical property and mechanical property, is simple in structure and good in practicability, and has good popularization and application value.

The invention relates to a lightening prevention system used for an environment monitoring station. The system comprises an indoor lightning prevention protection unit and an outdoor lightning protection unit. The indoor lightning protection unit comprises a power supply primary lightning preventer, a power supply secondary lightning preventer, a power supply three-level lightning preventer, a power supply four-level lightning preventer, a network signal lightning preventer, a signal surge protection device, a current collection box and a first grounding unit. The first grounding unit comprises a first copper bar connected to a secondary downlead, a first plasma grounding pole and a first non-metal grounding body. The outdoor lightning protection unit comprises a lightning avoiding device.The lightning avoiding device comprises a support rod. An attenuation lightning arrester is installed on the top of the support rod. A second grounding unit is connected to the bottom of the support.The contact parts between the plasma grounding pole and the non-metal grounding body and the soil are filled with resistance reducing agent. According to the invention, the system is advantaged by high lightning protection grade, good protection effects on devices and wires, reduction of guiding in of earth current and quick conduction speed.

The invention relates to a preparation method for a carbon fuel of a high-activity direct carbon fuel cell. The preparation method comprises the following steps of smashing and mixing carbon-rich regenerative biomass or/and solid waste, and throwing the mixture into a high-temperature coking device to obtain the carbon fuel under a condition of no oxygen or oxygen insufficiency after drying. The preparation method for the carbon fuel of the high-activity direct carbon fuel cell is simple in step, and the fuel cell belongs to an amorphous structure, has relatively large specific surface area and is more easily immersed in molten carbonate bath under a working condition of the direct carbon fuel cell; meanwhile, the carbon fuel particle contains many active constituents, an effect of activating and catalyzing carbon oxidization reaction is achieved, and an effect of improving current conduction is also achieved; the preparation method is easy to operate, and amplification engineering iseasy to implement; and more importantly, the utilized carbon source comes from the solid waste and the regenerative biomass, which is very beneficial for reducing environmental damage and reducing consumption of non-renewable resources.

The invention discloses a connector assembly process assembly line and a production method thereof. The assembly line comprises a double-line cutting and winding system, a rotary double-face tin soldering system, a double-line protection type injection molding system, an on-off high-voltage testing device, a labeling device and a packaging device. After a cable passes through the double-wire cutting winding system, the cable is conveyed to the rotary double-face tin soldering system through a conveying belt and conveyed to the double-wire protection type injection molding system through the conveying belt, injection molding is carried out on a cable section and a plug tin soldering part, a finished product obtained after injection molding is a connector, and the automatic winding function is completed through cooperation of a channel and a cylinder in an inclined column disc. Tin at the tin dipping part of a wire head inserted into a plug is simultaneously melted by utilizing heat of a welding gun, double-sided tin soldering is realized, a preheating area and a high-temperature area are arranged in a double-wire protection type injection molding system, TPU (thermoplastic polyurethane) fluid is uniformly injected into a double-wire cooling protection mold, and meanwhile, a cooling loop is designed in the double-wire cooling protection mold, so the TPU raw material is quickly cured and formed in the mold cavity.