64results about How to "Improve contact quality" patented technology

Provided are an all-solid state battery with a better quality of contact among particles of an active material and with an enhanced discharge capacity; an electrode for an all-solid state battery; and a method of manufacturing the same. The all-solid state battery is manufactured through the steps of: causing a deliquescent solid electrolyte to deliquesce, the deliquescent solid electrolyte having ionic conductivity, electronic conductivity and a deliquescent property; preparing an electrode mixture by mixing the deliquescent solid electrolyte having deliquesced and an active material together; heat-treating and shaping the electrode mixture to produce an electrode; and bonding the thus-produced electrode and a solid electrolyte layer with the solid electrolyte layer interposed between the electrode and another electrode which are paired to serve as a positive electrode and a negative electrode.

Disclosed is a method for obtaining a standard 12-lead electrocardiogram and a rhythm strip, comprising: a) capturing, by a personal ECG device, information related to the electrical activity of a user's heart as acquired from multiple skin monitoring electrodes positioned on the body of said user in a standard 12 lead anatomical manner; b) generating ECG data, by said personal ECG device, for obtaining said standard 12-lead electrocardiogram and said rhythm strip, wherein said generated ECG data represent the electrical activity of the heart of said user as acquired by said skin electrodes; and c) transferring said ECG data via a short range data communication wireless protocol to a paired mobile device, adapted to communicate with a remote data center for retransmitting said transferred ECG data to said remote data center; and processing said forwarded ECG data and creating a 12 lead ECG and Rhythm strip report at said remote data center.

Exemplary embodiments provide an adjustable sensor support structure for optimal skin contact. Aspects of the exemplary embodiments include a sensor array comprising a plurality of sensor units arranged on a band such that the sensor array straddles or otherwise addresses a blood vessel when worn on a measurement site of a user; and a pressure exertion apparatus attached between the sensor units and the band that exerts outward pressure on the sensor units towards the measurement site causing the sensor units to maintain contact with skin of the user independent of motion activity of the band, thereby improving contact quality, wherein the pressure exertion apparatus comprises at least one of: a flexible bridge structure, a flexible foam structure, and a sensor trampoline structure.

The invention relates to a strain relief device (1) for a plug connect for communications and data technology, comprising a base part (10) for holding at least part of the plug connector, and a cable (51) which can be connected to the plug connector, with the base part (10) being designed with first latching means, and closure means (30), with the closure means (30) being designed with second latching means which form a latching connection with the first latching means on the base part (10), wherein the closure means (30) are in the form of a spring comprising two limbs (31) which can be pushed along a guide (20) onto the base part (10), with the base part (10) being designed with at least one support point (21) for the closure means (30), and the closure means (30) being designed such that an opposing force, which is produced by the cable (51) moves the second latching means, which are arranged on the limbs (31), toward the first latching means on the base part (10).

The invention discloses a field effect transistor gas sensor taking an air gap as an insulation layer and a preparation method. The preparation method mainly comprises the following steps of: spin-coating an organic insulation layer on an electric conducting substrate to serve as a device supporting layer, and etching a part of the device supporting layer to prepare an air gap groove; placing a micro-nano crystal above the air gap; and preparing source and drain electrodes of the device by utilizing a gold plate pasting electrode method or a photoetching technology, wherein the air gap between the micro-nano crystal and a grid electrode at the bottom of the groove is taken as a grid electrode insulation layer of the device. According to the field effect transistor gas sensor taking the air gap as the insulation layer and the preparation method, disclosed by the invention, the pollution and the damage to the surface of the nano-crystal due to the contact of the insulation layer in a preparation process is avoided; the point discharge effect is avoided favorably, and the stability of the sensor is increased; the success rate for preparing the device is greatly increased, and the device performance is improved; and an electric conducting channel is directly exposed in gas to be tested, and thus the field effect transistor gas sensor has a better air-sensitive performance. The field effect transistor gas sensor disclosed by the invention has the advantages of good stability, high sensitivity, detection limit reaching ppb (parts per billion) order and high response speed and recovery speed.

The invention relates to a precise roll forming method for bimetallic rings. The method comprises: S1, obtaining an outer ring blank and an inner ring blank; S2, assembling the outer ring blank and the inner ring blank; S3, placing a core roller in the inner ring blank; S4, placing a drive roller outside the outer ring blank; S5, driving the drive roller to rotate through a drive device and driving the core roller to perform linear feed movement radially, wherein the outer ring blank and the inner ring blank are attached closely constantly to produce continuous local plastic deformation with the wall thickness reducing and the diameter expanding; and S6, stopping feed of the core roller and getting the core roller back when the outer diameter of the outer ring blank reaches a preset value of the outer diameter of a bimetallic ring. According to the precise roll forming method, the bimetallic ring is formed integrally through one step through continuous local plastic deformation, so that the method has the advantage that energy and materials are saved, the production cost is reduced, and the yield is improved. The bimetallic ring interface contact quality is good, the connection strength is high, and requirements of service performances and service lives of high-performance bimetallic rings can be met.

A lateral phase change memory with spacer electrodes and method of manufacturing the same are provided. The memory is formed by connecting the conductive electrodes with lower resistivity and the spacer electrodes with higher resistivity, and filling the phase change material between the spacer electrodes. Therefore, the area that the phase change material contacts the spacer electrodes and the volume of the phase change material can be reduced; thereby the programming current and power consumption of the phase change memory are reduced.

The invention discloses a novel dual-freedom straight annular worm transmitter and relative production. The invention comprises a worm rod (1), a worm (2), a blade base (3), a worm roller (4), a worm axle (5), a worm axle (6), a blade base axle (7), and a straight blade (8). The straight blade (8) processes dual-freedom motion to form the screw face of annular worm rod (1), to obtain the dual-freedom straight annular worm rod. And the worm roller (4) has same face with the screw face of annular worm, to process the tooth of worm (2). The annular worm rod (1) and the worm (2) form the dual-freedom straight annular worm rod transmission, with the advantages of straight annular worm, better contact area and contact quality.

An inspection device applying probe contact for signal transmission includes an inspection panel board; a probe base disposed on the inspection panel board and having a plurality of probes; a receiving moldboard disposed on the inspection panel board and including a fillister for receiving inspected portable electronic apparatus, and an open slot allocated facing the plurality of probes of the probe base, thereby enabling the plurality of probes to contact with corresponding signal terminals of the portable electronic apparatus; and a clamp unit disposed on the inspection panel board and consisting of an adjustable rod and a clamp block allocated at one end of the adjustable rod, the adjustable rod adjusting position of the clamp block, thereby clamping and properly positioning the portable electronic apparatus in the receiving moldboard.

An image sensor and a method for fabricating the same are disclosed, to improve a contact quality between a contact plug and a source diffusion layer. The image sensor includes a photodiode in an active area of a semiconductor substrate, for receiving incident external light and generating optical charges; a transistor having an impurity diffusion layer electrically connected with the photodiode, for transferring / discharging the optical charges generated by the photodiode to a signal processing circuit; an impurity implantation layer having impurity selectively implanted thereto, for selectively covering the impurity diffusion layer; an insulating interlayer above the semiconductor substrate to cover the photodiode, the transistor, and the impurity implantation layer; an open hole penetrating the insulating interlayer, for selectively opening the impurity diffusion layer; and a contact plug for filling the open hole, and electrically connecting the impurity diffusion layer and a metal line provided above the insulating interlayer.

The present invention is characterized by that the aluminothermics powder containing aluminium powder and iron oxide powder is placed in a quartz crucible which is positioned in the upper portion of gap between two parts of cathodic steel rods and whose bottom portion is equipped with a self-fluxing plug, after the aluminothermics powder is lighted by firing agent magnesium ribbon, the molten iron is produced, and is flowed into the cavity body of welding model formed by using quartz sand to plug left and right side faces and bottom face of the above-mentioned gap between cathodic steel rods so as to weld said two parts of cathodic steel rods together.

The invention relates to a precise roll forming method of a bimetal tubular part. The precise roll forming method of the bimetal tubular part comprises a first step of obtaining an outer ring part blank and an inner ring part blank, a second step of assembling the outer ring part blank and the inner ring part blank, a third step of placing a core roller in the inner ring part blank, a fourth step of placing a drive roller outside the outer ring part blank, a sixth step of driving the drive roller to rotate through a drive device, wherein the core roller is driven to conduct linear feed movement along the radial direction, the outer ring part blank and the inner ring part blank are closely attached to each other all the time, continuous partial plastic deformation with small wall thickness, expanded inner and outer diameter and axial tension is generated, and a sixth step of stopping the core roller from feeding and enabling the core roller to return. By means of the continuous partial plastic deformation, the bimetal tubular part is formed integrally at a time. The geometric dimensioning of the bimetal tubular part is easy to control. Therefore, the precise roll forming method of the bimetal tubular part has the obvious advantages of saving energy and materials, reducing production cost, and improving the production efficiency. The bimetal tubular part is good in interface contact quality, high in connection intensity, and capable of meeting requirements of the service performance and the service life of the bimetal tubular part.

The invention relates to a silicon-based core-shell structure photovoltaic cell and a preparation method thereof. The method includes the steps: preparing a silicon nanowire array on the upper surfaceof a single crystal silicon wafer; preparing a first interface modified layer; preparing a second interface modified layer; preparing a first PEDOT (polymer ethylenedioxy thiophene):PSS (polystyrenesulfonate) layer; preparing a second PEDOT:PSS layer; performing thermal evaporation of metal silver on the whole surface of the second PEDOT:PSS layer; preparing a front gate electrode; preparing a back electrode. By improving the structure and the preparation process of the silicon-based core-shell structure photovoltaic cell, the photoelectric conversion efficiency of the silicon-based core-shell structure photovoltaic cell is effectively improved.

The invention relates to an outer conductor arrangement (4) for a coaxial connector (2). According to the invention, the outer conductor arrangement (4) is of two-part design, comprising a contact component (6) for electrical and mechanical connection to an outer conductor of a mating connector and comprising a connection component (8b) for electrical and mechanical connection to an outer conductor of a coaxial cable, wherein the contact component (6) and the connection component (8b) are electrically and mechanically connected to one another at a contact section (12b), wherein a compensation section (26) for compensation of a component difference in the region of the contact section (12b) is arranged between the contact component (6) and the connection component (8b).

An interface card and a computer motherboard which are used in a horizontal adaptation include a motherboard on which is configured with at least two sets of first slots; and at least one interface card, a side of which is provided with at least two sets of adapting parts being correspondingly plugged into the aforementioned two sets of first slots, and one set of the adapting part on which is connected with a circuit of the interface card. By assembling the two sets of first slots on the motherboard correspondingly with the two sets of adapting parts on the interface card, the interface card can be firmly positioned on the motherboard. The adapting part is connected with the circuit of interface card and corresponding plugged into the first slot, such that the interface card can be electrically conducted with the motherboard thereby exchanging and processing messages.

The invention relates to an electromagnetic switch, in particular to a bistable state magnetic latching contactor for a power supply switch of an electric tricycle. The bistable state magnetic latching contactor comprises a cover assembly, wherein the lower part of the cover assembly is connected with a casing; a static iron core is fixed on the upper part inside the casing; the lower part of thestatic iron core is connected with a movable iron core assembly; the upper part of the static iron core is connected with a movable contact assembly; a copper bush is arranged outside the static ironcore; a coil assembly is arranged between the outside of the copper bush and the casing; an upper spring is arranged between the static iron core and the movable contact assembly; and a lower spring is arranged between the static iron core and the movable iron core assembly. Compared with the prior art, the bistable state magnetic latching contactor for the power supply switch of the electric tricycle aims to eliminate the electric energy consumption and improve the performance of products and eliminates the defects that the traditional electromagnetic switch loses electric energy when being connected because a coil is always in the electrified state and the coil is easy to burn down due to long-term energization and heating.

A device for obtaining a standard 12-lead ECG and a rhythm strip, comprising: a personal ECG device to which nine skin monitoring electrodes are electrically connected, either directly or via an electrodes belt and which presents an array of at least 6 precordial electrodes that are anatomically positioned for the user, two belt mounted limb electrodes and one flying electrode, such that the skin monitoring electrodes deployed on the belt in combination with those directly connected to the personal ECG device permit the acquisition of ECG data for the rhythm strip and the standard 12 lead ECG, and wherein the ECG device includes a communication module for transferring the ECG data to a remote data center via a mobile device.

The invention discloses a method for extracting 2,6-dimethylphenol from crude phenol and a device applied to the method. A two-stage distillation technology is adopted for the method, primary distillation treatment is performed on crude phenol firstly to remove light components lighter than 2,6-dimethylphenol, the light components are prevented from affecting the effect of follow-up secondary distillation treatment, and product yield and quality of 2,6-dimethylphenol are improved; then secondary distillation treatment under specific operation conditions is performed, especially, the operationpressure of the secondary distillation treatment is controlled to be not higher than 5 KPa, so that on one hand, the relative volatility of 2,6-dimethylphenol and other components in a primary distillation product is improved and high-concentration 2,6-dimethylphenol can be obtained by extraction, on the other hand, 2,6-dimethylphenol cannot have an isomerism change in the distillation processes,and the 2,6-dimethylphenol separation effect is guaranteed. Tests prove that the yield of 2,6-dimethylphenol is as high as 99.98%, and the purity is as high as 99.9%.

Plug connections used to connect at least two modules of a motor vehicle cockpit to a main cable harness each comprise a first plug element and a second plug element which is designed as a suitable mating piece for the first plug element. Each of the first plug elements is electrically connected to the main cable harness and each of the second plug elements is electrically connected to a module cable harness which is part of one of the at least two modules. In order to simplify mounting of the modules, the plug connections are of identical design and are formed in a self-finding manner. The first plug element is in each case mechanically connected to the body of the motor vehicle and is arranged in an end region of the body, and the second plug element is mechanically fixed to an outer face, which is directed toward the end region of the body, of the respective module.

The invention discloses a solar battery preparation method. Te solar battery preparation method comprises the steps of providing monocrystal silicon wafers suitable for preparing the solar battery; enabling the monocrystal silicon wafers to be fixed and forming regular-shaped array patterns on the surfaces of the monocrystal silicon wafers; performing mixing on a PEDOT: PSS solution and a silane coupling agent to obtain a mixed solution; dropwise adding a certain amount of the mixed solution to the surfaces of the array patterns, performing spin coating uniformly and then carrying out annealing treatment; dropwise adding a certain amount of the PEDOT: PSS solution to the surfaces of the array patterns, performing spin coating uniformly and then carrying out annealing treatment; and preparing an electrode to complete solar battery preparation. The regular-pyramid-shaped array patterns are prepared on the surfaces of the monocrystal silicon wafers, so that surface defects can be reduced,depth-width ratio can be lowered, and packaging of the subsequent PEDOT: PSS solution can be performed conveniently.

The invention belongs to the field of bevel gear pair deep processing, and especially relates to a processing method capable of improving the contact quality of a bevel gear pair of a K series speed reducer. According to the method, a contact area pre-adjusting method is adopted, an after-heat-treatment tooth shape change rule is taken into account; related parameters are adjusted in advance before a heat treatment; and the eccentric angle is reduced by 1 / 3 degree so that a tooth shape is arranged on an ideal position of a tooth surface after the heat treatment. The change rule of a contact area of a K series speed reducer is researched before and after a heat treatment, wherein the gear ratio of the bevel gear pair of the K series speed reducer is 8:33. The contact area is corrected in advance so as to improve the contact quality. The tooth surface contact area is effectively corrected, and the noise is reduced.

The invention discloses a method for measuring the p-layer carrier concentration of a GaN avalanche detector, which comprises the steps of growing an i-layer gallium nitride and an n-layer gallium nitride in a distributed manner under the same condition, performing ohmic contact by using a metal electrode, and testing the carrier concentration of the corresponding i-layer and n-layer by using a Hall effect; obtaining a current-voltage curve of the pin-type GaN avalanche detector device during reverse bias under the condition of no illumination, and reading a critical reverse voltage value whenthe current just begins to be exponentially increased; establishing an electric field intensity distribution diagram E-x of the pin-type GaN avalanche detector device under reverse bias according toa Poisson equation; and according to the maximum electric field intensity when the gallium nitride material is just subjected to avalanche breakdown, reversely deducing the p-layer carrier concentration according to the measured critical reverse voltage value in combination with an electric field intensity distribution diagram. The test method disclosed by the invention is a non-consumable test method, and can be used for repeatedly detecting the sample.

The invention relates to a transportation robot capable of climbing stairs. The transportation robot comprises a material storage box, a distribution box and running tracks, the distribution box comprises driving mechanisms, supporting mechanisms and balance auxiliary mechanisms, the transportation robot applies traction onto the running tracks by driving force of the driving mechanisms, the running tracks contact with steps of the stairs by the acting force of the supporting mechanisms when the transportation robot climbs the stairs, and the running tracks consistently and obliquely contact with the stairs by the acting force of the balance auxiliary mechanisms when the transportation robot goes down the stairs. The transportation robot has the advantages that the traction is applied ontothe running tracks by the driving mechanisms on the distribution box, so that movement of the running tracks is controlled, contact among the running tracks and the steps of the stairs is guaranteedby the acting force of the supporting mechanisms in the stair climbing process, so that stability of the transportation robot is ensured in the stair climbing process, turnover of the transportation robot can be decreased, stair climbing efficiency is improved, the carrying intensity of workers is relieved, and safety in heavy object carrying is improved.

The invention discloses a high-uniformity shallow junction diffusion process in low-pressure environment, which comprises the following steps: (1) introducing a silicon wafer into a quartz boat, and introducing the quartz boat into a purified furnace tube at constant temperature and at atmospheric pressure; (2) carrying out vacuum pumping until the pressure of the furnace body is 50-100mbar, and carrying out segmented diffusion heating, constant-temperature deposition and constant-temperature segmented advance heating on the furnace body; (3) cooling and annealing the furnace body at 50-100mbar; and (4) restoring the pressure to the atmospheric pressure by nitrogen charging, and taking the quartz boat out. Compared with the prior art, the surface diffusion concentration can be reduced by adjusting the uniformity of cell PN junctions, and a junction with better uniformity can better match sintering, so that the ohmic contact quality of the surface can be improved, the minority carrier life can be prolonged by the annealing process, the electrical performance parameters of cells can be improved, and the conversion efficiency can be improved ultimately.

A display panel, a method for preparing a display panel, and a display device are disclosed. The display panel includes a substrate layer; a light shielding metal layer and a first electrode plate of a storage capacitor on the substrate layer; a buffer layer covering the light shielding metal layer and the first electrode plate on the substrate layer; an active layer and a second electrode plate of the storage capacitor on the buffer layer; a gate insulating layer on the buffer layer and the active layer, and a source, a gate and a drain on the gate insulating layer.

The invention provides conductive paint for anode steel claws. The conductive paint comprises, by weight, 18%-22% of a conductor, 2%-8% of curing agent, 0.2%-1.8% of dispersing agent, 7%-23% of film-forming agent and the balance deionized water. The conductor comprises 17%-19% of graphite and 1%-3% of high-polymer carbon fiber, the curing agent is mixture of 1%-4% of potassium fluosilicate and 1%-4% of sodium fluorosilicate, the dispersing agent is mixture of 0.1%-0.9% of polypropylene glycol and 0.1%-0.9% of tannic acid, and the film-forming agent is mixture of 2%-10% of potassium silicate and 5%-13% of sodium silicate. Compared with the prior art, the conductive paint has the advantages that the graphite and the polyacrylonitrile of the high-polymer carbon fiber are used as the main conductor of the composite conductive paint, the potassium silicate and the sodium silicate are used as the film-forming agent of the composite conductive paint, the potassium fluosilicate and sodium fluorosilicate are used as the curing agent of the composite conductive paint, the polypropylene glycol and the tannic acid are used as the dispersing agent of the composite conductive paint, accordingly, shortcomings of graphite oil technologies can be overcome, the contact quality of the steel claws and phosphorous pig iron can be obviously improved, and iron carbon pressure drop can be greatly reduced.