46results about How to "Improve contact performance" patented technology

The present invention provides an iridium alloy suitable for a wire rod for probe pins, with zirconium as an additive element contained as an essential element and with aluminum and / or copper further added. In this iridium alloy, the additive concentration of zirconium is 100 to 500 ppm and the total additive concentration of aluminum and copper is 10 to 500 ppm. The present invention will be able to meet such requirements placed on a material for probe pins as that further miniaturization thereof would be demanded in the future and that use environment thereof becomes severe.

The invention discloses a design method for a water lubricated rubber stern bearing. According to the method, axial hardness division is performed on a traditional slat-type water lubricated rubber stern bearing, a rubber bearing bush of the traditional slat-type water lubricated rubber stern bearing is divided into a plurality of regions from the stern end to the front end, the hardnesses of rubber from the stern end to the front end are sequentially increased, and the length of a region close to the front end is the longest, so as to enable the water lubricated rubber stern bearing to adapt to actual load and improve the contact pressure performance of the bearing. The invention further provides the water lubricated rubber stern bearing. According to the method, the whole long stern bearing is divided into the regions with different hardnesses based on a pressure distribution feature of the water lubricated rubber stern bearing, so that the pressure distribution of the water lubricated rubber stern bearing is remarkably improved, the contact regions are effectively extended in the circumferential direction, and the contact performance of the stern bearing is well improved as a whole.

The invention discloses a copper aluminium wire transition crimping clamp comprising a tubular clamp body and a forcing screw arranged on the clamp body, wherein the forcing screw is connected with the clamp body by virtue of a screwed hole, and the end part of the forcing screw is provided with a blanking plate. The clamp body is a product made of a silicon-magnesium-aluminium alloy, and an electric force compounded grease layer is coated on the surface of the clamp body. According to the crimping clamp disclosed by the invention, material selection and reasonable design on a body structure are carried out, thus a copper wire and an aluminium wire are effectively connected in a transition manner, a constant and high enough contact pressure and the maximum contact area are obtained, low contact resistance can be maintained for a long time, and the overload capacity is strong. In a using process, along with variation of external environment and load condition, stable contact performance on connection between wires can be realized, the electric force compounded grease layer is coated on the surface of the clamp body, oxidation resistance and corrosion resistance are high, the service life is relative long, maintenance and overhaul are avoided, the copper aluminium wire transition crimping clamp disclosed by the invention can be repeatedly used for multiple times, and the maintenance cost is reduced. The copper aluminium wire transition crimping clamp disclosed by the invention is convenient to mount and has stable and reliable performance.

The invention claims a manufacturing method can be a small quantity of silver alloy the interface bonding strength so as to improve the eliminating manufacturing the waste of time and obtaining the long period of time and exert stable contact performance and durability the excellent composite contact. A method for producing a compound contact method of the composite contact on the small diameter of the base part of one end of the part to form big diameter of the flange part and having a contact part and foot contact part of the flange part of the upper surface part and is composed of silver alloy consisting of the foot part the contact part of the back surface of the jointed under the state of the flange part of the of the lower part of the big diameter part and the small diameter of the base part are integrally formed and it is composed of the copper alloy consisting of said method has: Once forming working procedure and secondary forming working procedure.

To prevent spherical solder residue from being formed on a semiconductor laser element, sub-mount or heat sink when producing a semiconductor laser assembly. A sub-mount (16) is provided with a sub-mount groove (32) formed along the boundary of a junction area thereof with a semiconductor laser element (12), and an extension groove (36) extending up to the edge of the sub-mount (16). A plurality of sub-mount slender grooves (38) each smaller in groove width and shallower in groove depth than the sub-mount groove (32) are formed in the sub-mount junction area in a lattice form and obliquely with respect to the sub-mount groove (32) so as to be separated from each other and communicate with the sub-mount groove (32) at at least one of each end. When the semiconductor laser element (12) is to be solder-joined, excessive solder flows out to the sub-mount (32) via sub-mount slender grooves (38) and then is discharged to the outside via an extension groove (36).

The invention discloses an audio connector, which comprises a base, wherein a plughole for accommodating an audio plug is formed in the base; an arc terminal group, a claw type terminal and a conducting terminal are arranged in the plughole in turn from a plugging end of the audio plug; the arc terminal group comprises more than three arc terminals, each arc terminal comprises an arc terminal welding part, an arc terminal connecting part and an arc terminal contact part; one end of the arc terminal connecting part is connected with the arc terminal welding part, and the other end of the arc terminal connecting part is connected with the arc terminal contact part; the arc terminal welding part extends out of the base; the arc terminal contact part is arc-shaped; and more than three recessed contact points are arranged on an inner arc surface of the arc terminal contact part. The contact between the terminals and the audio plug in the audio connector is good and stable, so that the stability and the reliability of signal transmission is ensured.

The invention discloses electrode slurry, which comprises the following components in parts by weight: 5-15 parts of an organic carrier, 0.5-5 parts of an inorganic binder, and 70-95 parts of conductive powder, wherein the conductive powder comprises the following components in parts by weight: 60-75 parts of silver powder and 10-20 parts of low-melting-point alloy powder. According to the invention, experiments show that the sintering temperature and the silver powder content of the electrode slurry are reduced by adding the low-melting-point alloy powder, wherein the sintering temperature isreduced to 500-650 DEG C from 750-830 DEG C. According to the invention, the low electrode sintering temperature does not damage the silicon wafer, the shrinkage degree of the aluminum slurry is reduced, the warping degree of the solar cell is reduced, and the service life of the solar cell is prolonged; and due to the low sintering temperature, energy consumption in the sintering process is reduced, and the energy-saving and environment-friendly requirements are met.

The invention discloses a preparation method of a proton exchange membrane fuel cell membrane electrode, which is characterized by comprising the following steps: a, preparing a gas diffusion electrode by using catalyst ink and a gas diffusion layer; b, coating the surface of a catalyst layer of the gas diffusion electrode with a perfluorosulfonic acid diluent with the concentration of 0.5 wt%-1wt%, and drying the gas diffusion electrode at 90-120 DEG C for 30-60 minutes; and c, fitting the surfaces, coated with the perfluorosulfonic acid, of the two gas diffusion electrodes with the two sidesof the solid electrolyte respectively, and performing hot pressing to obtain the membrane electrode. According to the invention, the surface of the catalyst layer is coated with a Nafion diluent; themembrane and the proton exchange membrane have the same substance and different substance states; in the hot pressing process, Nafion resin on the surface of the catalyst layer and Nafion resin in the proton exchange membrane are reconstructed in physical state and are fused and combined, so that the catalyst layer and the proton exchange membrane are better combined into a whole, the contact performance between the catalyst layer and the proton exchange membrane is improved, the contact resistance is reduced, and the power generation performance is improved.

A method of making a low-resistance electrical contact between a metal and a layer of p-type CdTe surface by plasma etching and reactive ion etching comprising: a) placing a CdS / CdTe layer into a chamber and evacuating said chamber; b) backfilling the chamber with Argon or a reactive gas to a pressure sufficient for plasma ignition; and c) generating plasma ignition by energizing a cathode which is connected to a power supply to enable the plasma to interact argon ions alone or in the presence of a radio-frequency DC self-bias voltage with the p-CdTe surface.

The present invention is provided with a contact switching mechanism having a movable contact member that is bent into a U shape, allowed to press and contact a fixed contact member side, and supported so as to freely tilt and move thereon. In this mechanism, a switching operation is carried out between contacts by reversing the movable contact member in a see-saw manner, with a tilt-movement fulcrum portion of the movable contact member being always in contact with the contact portion of the common fixed contact member. The movable contact member is allowed to have a spring function conformed to elastically shift in response to a switching operation in addition to a contact function that is inherent to the movable contact member so that it is possible to provide a switch having high reliability, such as a push-button switch and a rotary-lever switch, which can cut costs by reducing the number of parts, and ensure a superior contacting property.

An organic electroluminescent display device includes: a substrate; a gate line, a data line and a power line on the substrate; a switching element connected to the gate line and the data line; a driving element connected to the switching element, the driving element including a driving drain electrode; a first passivation layer on the switching element and the driving element, the first passivation layer having a first contact hole exposing the driving drain electrode; a first shield pattern under the first contact hole, the first shield pattern including a same material and a same layer as the gate line; a first electrode on the first passivation layer, the first electrode connected to the driving drain electrode through the first contact hole; an organic electroluminescent layer on the first electrode; and a second electrode on the organic electroluminescent layer.

The invention relates to the technical field of semiconductor display, and particularly relates to a display device and a method for preparing an organic light emitting diode display panel. Convex blocks, which are higher than the upper surfaces of bonding pads, are arranged between the bonding pads on the display panel, so that conductive particles in an ACF film in a subsequent hot-pressing technological process are converged to an ACF film positioned above the bonding pads; therefore, the shortcomings of short-circuit between adjacent bonding pads caused by conductive particle convergence, and the like can be effectively avoided; and meanwhile, the contact performance between the display panel and an FPC film is effectively improved.

The invention discloses an indoor visible light communication positioning system which comprises an LED light source, an information storage device, a carrier frequency control device, carrying devices and displays. Configuration information which is already subjected to signal modulation processing is stored in the information storage device and includes positioning information; the displays are arranged on the carrying devices and are provided with photoelectric converters and signal demodulators in a connected manner, the photoelectric converters are used for receiving light signals transmitted by the LED light source and converting the light signals into electric signals, and the signal demodulators are used for receiving and demodulating the electric signals so as to obtain the configuration information. The indoor visible light communication positioning system has the advantages that the configuration information which is loaded into the LED light source is modulated signals, demodulation is carried out at receiving ends by the aid of the signal demodulators in the displays, accordingly, a tedious information modulation and demodulation device can be omitted, and system structures are simple, convenient and practical on the premise that indoor positioning, guiding and propaganda purposes are achieved by the indoor visible light communication positioning system.

The invention discloses a socket connector of a double-row needle structure, comprising a base rubber core, a floating rubber core arranged in the base rubber core and an elastic socket terminal arranged between the base rubber core and the floating robber core; a base rubber core opening with length and width both greater than those of the floating rubber core is formed in the middle of the baserubber core; the floating rubber core is arranged in the base rubber core opening by the elastic socket terminal. The invention further discloses a socket connector protecting structure of a double-row needle structure. The socket connector has strong practicability, is more labor-saving and smooth in plugging, firmer in butt joint and more steady in contact, and can improve the transmission stability; the floating rubber core has a three-dimensional movement amount of plus or minus 0.5mm in the base rubber core; and therefore, the socket connector is applicable to use in an environment with high vibrating requirement and the practicability of the socket connector is improved.

The present invention discloses an electrical connector. The electrical connector comprises an insulation body. Multiple terminals comprise an upper row terminal group and a lower row terminal group,and the multiple terminals are fixed on the insulation body. The upper row terminal group comprises at least one first grounding terminal, and the lower row terminal group comprises at least one second grounding terminal. A shielding piece is contained in the insulation body, the shielding piece is located between the upper row terminal group and the lower row terminal group, and the shielding piece comprises at least an opening, a first elastic arm and a second elastic arm, wherein the first elastic arm and the second elastic arm form interlaced arrangement separately from two opposite sidesof the inner edge of the opening. The first elastic arm extends towards the first grounding terminal(s), and the first elastic arm and the first grounding terminal(s) are contacted with each other. The second elastic arm extends towards the second grounding terminal(s), and the second elastic arm and the second grounding terminal(s) are contacted with each other. The extending starting points of the first elastic arm and the second elastic arm are separately a first position and a second position, and the extending end points are separately a third position and a fourth position. The third position is more close to the second position compared with the fourth position to ensure that the elastic arm lengths of the first elastic arm and the second elastic arm are long enough, so that the first elastic arm and the second elastic arm are not prone to fatigue when the first elastic arm and the second elastic arm are contacted with the grounding terminals repeatedly, the durability is enhanced, and the service life is improved.

The invention relates to a relay. The contact of the relay adopts a double-layer silver-based composite oxide electric contact material; and a moving spring adopts a spring piece composite material. The silver-based composite oxide electric contact material comprises two layers, wherein one layer is a AgCuZn layer; the other layer is a silver composite oxide layer; and the two layers are fixed through fusion. The silver composite oxide layer is prepared by Ag, Sn, La and Zr. The spring piece composite material is prepared by the components with the following mass percent: 10-15% of Be, 3-5% of Zn, 10-20% of Mn, with the balance being Cu. The contact performance of the silver-based composite oxide electric contact material is improved, and meanwhile, the usage amount of the silver material is saved, and thus the cost is greatly reduced. The spring piece of the relay has excellence welding performance, bending capability and improved current-carrying capability; preparation process is simple; the usage amount of precious metals is greatly reduced; and the cost is reduced.

This invention is a ridge waveguide-type semiconductor luminous device and its manufacturing method. It has layer-shaped structure; from the bottom to top is the lower electrode layer, the semiconductor substrate, the activating layer and the upper coating thin layer. The characteristics are: the flat insulation layer is above the upper coating thin layer and its center has the current input channel with width pre-setting and upper part is the current input channel as the center, the ridge upper coating thick layer on which is the current contact layer, the upper electrode layer wholly covers on the surface of the current contact layer and the insulation layer. The advantages are low cost, high finished products ratio and non-limitation of design, it can be widely used for the semiconductor laser, luminous diode, semiconductor amplifier and integrated luminous components.

The invention discloses an isolating switch, which comprises a base, a moving contact insulating support and a static contact insulating support respectively arranged on the base, a moving contact body installed on the moving contact insulating support, and a moving contact insulating support installed on the static contact insulating support. The static contact body, the outer side of the bottom end of the static contact body is provided with an elastic closing device for stably closing and opening the moving contact body and the static contact body, and the elastic closing device is fixedly connected to the base. For the switch, by setting an elastic closing device on the outside of the static contact body of the isolating switch, the elastic closing device can prevent the phenomenon of impact between the moving contact body and the static contact body due to excessive force when closing the switch. On the other hand, it can make stable contact between the moving contact body and the static contact body, and effectively improve the safety performance of the isolating switch.

A motor of an electric vehicle is provided with stators fixedly connected with a support shaft. Stator windings are wound on the outer rings of the stators, rotor magnetic poles are suspended around the outside of the stator windings and embedded on an inner ring of a wheel hub, circuits of the stator windings are lead out from axial holes, a controller is built on the stators of the motor, and circuits of the stator windings are controlled to be connected with the controller firstly and then is led out from the axial hole. The motor of the electric vehicle has the advantages that the number of momentum plugs is decreased, connecting wires from the controller to the stator windings are shortened, contact performance is improved, possible corrosion by rainwater and short circuit are reduced, power consumption is lowered, and efficiency is improved. By embedding the controller, possible damage to the controller is reduced, and the possible problem about theft of the electric vehicle incapable of being locked is reduced.

The invention discloses an electrical contact piece of a spiral elastic contact element with a built-in liquid cooling medium, which comprises a spiral elastic contact element and a liquid cooling conduit arranged inside the spiral elastic contact element, and the spiral elastic contact element includes a plurality of unit spiral rings , a plurality of unit spiral rings are connected end to end along a spiral trajectory; the unit spiral rings are surrounded by linear conductors, and the unit spiral rings include: sequentially connected deformable contact parts, first transition parts, a fixed contact portion and a second transition portion; the deformable contact portion is configured as a bent structure, including a guide area, a deformation area, a protrusion connecting the guide area and the deformation area, the length of the guide area is less than the length of the deformation area, and the protrusion from the side of the median perpendicular to the line connecting the apex of the first transition portion and the apex of the second transition portion. The invention has high contact performance, and its guiding area has both guiding and deforming functions, so that pins or other electrical connecting devices used in conjunction with it can realize electrical contact within a short stroke.

The invention discloses an electrical connector with a pin contact piece. The electrical connector comprises the pin contact piece, wherein the pin contact piece comprises a conductive pin and at least one spiral elastic contact component, an accommodating groove is formed in an outer wall of the conductive pin and is used for installing the spiral elastic contact component, the spiral elastic contact component comprises a plurality of unit spiral rings, the plurality of unit spiral rings are sequentially connected in an end-to-end way along a spiral track line, each unit spiral ring comprises a deformable contact part, a first transition part, a fixed contact part and a second transition part which are sequentially connected, the deformable contact part is of a bending structure and comprises a guide region, a deformation region, a contact guide region and a bulge of the deformation region, and the bulge is arranged at one side of a midperpendicular of a connection line of a top point of the first transition part and a top point of the second transition part. The electrical connector has relatively high contact performance, the guide region simultaneously has effects of guidance and deformation, and thus, electrical contact of a pin used with the electrical connector in a matching way or the other electrical connectors can be achieved within short stroke.

The invention discloses positive side silver slurry for a passivation emitter electrode solar cell. The main components of the positive side silver slurry include organic carrier, an inorganic binder, silver powder and sintering promoter, wherein the organic carrier contains organic solvent, thickening agent and other auxiliary agents, the sintering promoter is sodium hexafluoroantimonate, and the inorganic binder contains calcium oxide. The positive side silver slurry is formed by adjusting inorganic binder, the inorganic binder is low in activity, the reaction between the inorganic binder and a passive film is reduced, and lots of composite centers formed on the contact portion between the silver slurry and a silicon chip can be prevented. The sintering peak value temperature of the inorganic binder is relatively low, and reaction between the inorganic binder and passive film under high temperature conditions is enhanced. Sintering promoter is added in the positive side silver slurry to lower and expand the sintering window. Excellent contact performance under relatively low sintering temperature is ensured, and better low temperature sintering properties are displayed.

The invention discloses a cast special-shaped bonding clamp which comprises an upper wire pressing plate (4) and a lower wire pressing plate (6). The upper wire pressing plate (4) and the lower wire pressing plate (6) are copper casting parts or copper alloy casting parts, a wire (5) is compressed between the upper wire pressing plate (4) and the lower wire pressing plate (6), and the lower wire pressing plate (6) is connected to a terminal stud (11). The cast special-shaped bonding clamp is simple in structure, reliable contact between the wire, the terminal stud and the bonding clamp can be guaranteed, the overload capacity is high, and performance is stable.

The invention provides a radio frequency coaxial mechanism with self-floating parts. The radio frequency coaxial mechanism comprises a supporting medium, an outer conductor and an inner conductor, the inner conductor is arranged in the outer conductor in a penetrating mode, the outer conductor and the inner conductor are supported through the supporting medium in a spaced mode, the outer conductor and the inner conductor are provided with a first self-floating structure and a second self-floating structure respectively, and radial or axial deflection is achieved through self-floating of the first self-floating structure and the second self-floating structure. The provided radio frequency coaxial mechanism with the self-floating parts is suitable for low-cost inter-board interconnection design and has low cost and reliable contact.

The invention discloses a self-adaptive anti-falling device and a current collector thereof.The self-adaptive anti-falling device is connected between a sliding shoe and a swing rod base and comprises a connecting base arranged on the sliding shoe and a mounting base arranged on the swing rod base, the connecting base and the mounting base are connected in an embedded mode, and a gap exists between the connecting base and the mounting base at the embedded position; and elastic fillers are filled in the gaps, so that the connecting seat can swing relative to the mounting seat around an axis parallel to the arrangement direction of the sliding shoes when being stressed, and can float relative to the mounting seat along the direction vertical to the swinging axis. The self-adaptive anti-falling device has the advantages of simplicity, practicability, high connection strength, swing allowance, capability of making up contact errors between the sliding shoes and the power supply rail and the like. The current collector using the self-adaptive anti-falling device has the advantages of being stable in electricity taking performance, prolonging the service life of the sliding shoes, prolonging the maintenance cycle of a vehicle and the like.