77results about How to "Conductive and reliable" patented technology

The semiconductor device of the present invention comprises a substrate; at least one through hole formed through the substrate between front and back surfaces of the substrate; an electrical connection portion formed by a semiconductor process on at least one surface of the front and back surfaces of the substrate in a vicinity of an end opening of the through hole; an insulating layer formed of an organic material on an inside surface of the through hole; and an electroconductive layer formed on an inside surface of the insulating layer, wherein the electrical connection portion is electrically connected to the electroconductive layer to be electrically connected to a side of the other surface of the substrate.

A connector for printed circuit boards, particularly for flexible ones such as FPC or FFC, has an insulating housing (2) with a recess (7) opened up and base contacts (3) held in the housing at regular intervals and each having a resilient beam (14) and an arm (5) integral with the beam. Each beam has a conductive protrusion (17) in the recess, and each arm extending along the housing's top into the recess has a pivotal end (18) facing the protrusion. An insulated pressing cover (4) engaging with the pivotal ends is rotatable between its pressing position adjacent to and its releasing position remote from the protrusions. The pivotal ends (18) lock the cover then pushing the circuit board (30) against the resilient beams (14). The cover has cover contacts (20) rotatably engaging with the pivotal ends and corresponding to the base contacts (3), so that the pivotal ends, the cover contacts (20) and the printed circuit board (30) are electrically connected to each other at the pressing position.

There is provided a light adjuster which is capable of improving handleability thereof and preventing the occurrence of operation failure. A light adjuster 103 is comprised of a pair of PET films 109a and 109b that sandwich a liquid crystal layer 108 therebetween, transparent electrically conductive films 110a and 110b that are provided on respective facing surfaces of the pair of PET films 109a and 109b, and an electrode structure provided at one end of the light adjuster 103. The electrode structure is comprised of a connecting base formed of a silver paste 111 that is applied to an exposed part of the transparent electrically conductive film 110b, a copper tape 112 that is stuck on the upper surface of the silver paste 111, and a tabular connector 113 made of a metal that is pressed onto the copper tape 112 at one end thereof. A lead line 115 is secured to the other end of the connector 113 by solder 114 to supply power from an external power source. The thickness of the electrode structure is not less than the value of the combined thickness of the liquid crystal layer 108, the transparent electrically conductive film 110a, and the PET film 109a.

The invention provides a nested high-reliability contact rotation system and a combined system and a method thereof. A single motion contacting body, multiple motion contacting bodies or multiple motion contacting bodies contacting one another as a whole is/are in contact with a first contacted body and a second contacted body under a force applied by a motion contacting body force applying mechanism. Motion contacting bodies like ball-shaped contacting bodies ensure that rotating bodies rotate relatively through gap-free contact, and make rotating bodies free of gap jump. The ball-shaped contacting bodies ensure that rotating bodies are not affected by relative rotation wear of the contact surfaces and are always in contact through motion following, ensure contact, and can be used for conducting. Multiple fulcrums can be obtained through multiple ball-shaped contacting bodies, so rotating bodies are aligned stably and rotate smoothly. Rotating bodies do not produce axial endplay under the condition of no radial run-out. Controlled movable contact can be easily realized.

Disclosed is a female terminal that can reliably conduct electricity while suppressing an increase in the insertion force on the fitting means of an insertion tab on a male terminal. The female crimp terminal (1) is equipped with a box (2) that permits the insertion of the insertion tab (300) on the male terminal, wherein the box (2) is equipped with an elastic contact piece (21) that elastically comes into contact with the inserted insertion tab (300) and an inner roof section (22b) that faces the elastic contact piece (21) and fits the inserted insertion tab (300) by sandwiching the tab with the elastic contact piece (21), semispherical projections (81) that project toward the elastic contact piece (21) are formed on the inner roof section (22b), front semispherical projections (81b) are disposed relative to rear semispherical projections (81a); in positions intersecting the insertion direction (X) of the insertion tab (300), and diagonal beads (80) having semispherical projections (81) formed on both ends thereof are disposed in the surface of the inner roof section (22b) in a manner intersecting with the width direction (Y).

To prevent electrolytic corrosion from occurring by reliably establishing an electrical conduction between a motor output shaft and brackets. A first bracket 51 attached to one end part and a second bracket 52 attached to the other end part are electrically connected to each other via a conductive member 8 embedded in a molding resin part 21 of a stator 2.

The liquid ejection head comprises: a plate which has a plurality of ejection ports which eject a liquid; a plurality of pressure chambers connected respectively to the ejection ports; a plurality of piezoelectric elements which respectively deform the pressure chambers, the piezoelectric elements being provided on a side of the pressure chambers opposite to a side on which the ejection ports are formed; a common liquid chamber which respectively supplies the liquid to the pressure chambers, the common liquid chamber being provided on the side of the pressure chambers opposite to the side on which the ejection ports are formed; and a plurality of wiring members which transfer a drive signal to the piezoelectric elements, the drive signal driving the piezoelectric elements for deforming the pressure chambers, wherein: the wiring members are formed so that at least a portion of each of the wiring members rises upward through the common liquid chamber in a substantially perpendicular direction with respect to a surface on which the piezoelectric elements are disposed; and the wiring members are connected to the piezoelectric elements by means of an adhesive comprising a plurality of conductive particles and a non-conductive resin.

The invention discloses an ultra-narrow gap welding device and method for a U-shaped flux strip constraining arc. A U-shaped flux strip (4) is wound on a flux strip winding disc (1), pressed into a groove gap in front of an arc (14) via a pinch roller (11) and tightly adhered to the sidewall of a groove, a welding wire (3) enters a current contact nozzle via a godet wheel, a conductive sheet (12) is installed on a current contact nozzle base (7) through a screw (10) and can rotate around the screw (10), a compression spring (8) is sleeved on an adjusting core column (9), and the adjusting core column (9) and the compression spring (8) are installed on a welding gun support base (6); the pinch roller (11) is installed on a connecting rod, the upper end of the connecting rod and the compression spring are installed on the welding gun support base (6); and I-shaped groove is adopted during welding, the U-shaped flux strip is pressed into the groove gap in front of the arc, the welding wire enters into the U-shaped flux strip to generate the flux strip constraining arc (14), the arc is limited to be combusted within a certain range at the bottom of the gap, and the molten flux strip forms a slag-covered molten pool.

A probe which is cleaning-free, of which rubbing operation can be precisely controlled, and can be used for narrow-pitch pads, is provided. The probe assembly includes: a Z-deforming portion elastically deformable at least in a vertical direction; a tip contact element which includes a contact portion having a curved section, the tip contact element being connected to and supported on an end of the Z-deforming portion via an arm member, the contact portion being made to contact with an electrode pad and is vertically displaceable and rotatable; and a stopper for restricting movement of the tip contact element. After the tip contact element is rotated, due to pushing force from the electrode pad, for a certain distance in a direction of rotation, the stopper controls the movement of the tip contact element to prevent further rotation and to allow vertical movement.

A hole is defined in a body of a product. A conductor made of zinc or a Zn—Al alloy fills the hole. Zinc or the Zn—Al alloy melts at a temperature equal to or higher than 375 degrees Celsius. Molten Zinc or Zn—Al alloy reliably fills the hole. Zinc and Zn—Al alloy have an electric conductivity. The hole can reliably be filled up with a conductor. The product reliably remains solid even when the product is secondarily exposed to a heat causing a solder alloy to melt. If Zn—Al alloy is utilized in the product, the Zn—Al alloy preferably contains aluminum at a content equal to or smaller than 1.0 weight %. The melting point of such a Zn—Al alloy can be kept equal to or higher than 400 degrees Celsius. The Zn—Al alloy can thus remain solid during a high temperature treatment such as anodic bonding.

The invention discloses an electrode device, comprising an electrode main body, an upper band-type brake, a lower band-type brake, a lifting mechanism and a conductive mechanism. The upper band-type brake is used for tightly holding and releasing the electrode main body; the lower band-type brake is used for tightly holding and releasing the electrode main body, located below the upper band-type brake, installed on the lifting mechanism and moves together with the lifting mechanism; and the conductive mechanism electrically contacts with the electrode main body and synchronously moves along with the lifting mechanism relative to the electrode main body. The electrode device is convenient to compensate the consumption quantity of the electrode and has high operation efficiency.

There is provided a gooseneck condenser microphone that is further strengthened the shield structure of a support pipe and is less prone to causing a trouble. This condenser microphone has a support pipe 30 for supporting a condenser microphone unit 10 and an output module part 20, a microphone cable 40 in which a shielding wire 44 is exposed is inserted in the support pipe 30, and a conductive sealant agent 50 is filled in a void between the microphone cable 40 and the support pipe 30.

The invention provides a directional metal wire-filled anti-EMI silica gel liner and a preparation method thereof. The directional metal wire-filled anti-EMI silica gel liner comprises colloidal silica, and the metal wire is directly and uniformly distributed in the colloidal silica. The provided anti-EMI silica gel liner has high elasticity as common rubber, and has conductive reliability of metal material.

The invention relates to a low-voltage track power supply system for a stereo garage, and the system achieves the cross-sliding drive power supply. A low-voltage electrified track is divided into track segments, and each track segment is provided with a track power connection point, and is fixed on a structure support through an insulating support block. The current collectors are disposed at therollers of a cross-sliding vehicle carrying plate, and the bodies of the current collectors are insulators, and are fixed with the vehicle carrying plate. The main body of an electrode spring piece ofeach current collector is shaped like an arc, and is matched with the outer edge of the bottom roller of the vehicle carrying plate. When the bottom roller of the vehicle carrying plate rolls, the electrode spring piece remains contact with the rollers through an elastic structure, thereby enabling a track power output point to be connected with power input points of the current collectors. The power output points of the current collectors are connected to a cross-sliding drive box, and the cross-sliding drive box automatically recognizes the voltage polarity, and determines the movement direction. The system provides a new power supply technological means for the intelligent garage, is especially suitable for the design of a small intelligent garage, and overcomes a difficulty that the time in clearing the intelligent garage at a time is too long.

The invention relates to a lighting bus, which is low in cost, simple in structure and quick in assembly, solves the problem of plug looseness, diversifies light selection, maximizes safety and conductive reliability and reduces accident hazards. The lighting bus comprises an upper cover plate, a grooved lower cover plate, a U-shaped phase line conductor, fixed upper covers, fixed bases, jack components and connector components, wherein the U-shaped phase line conductor is clamped and fixed in the grooved lower cover plate by the plurality of fixed upper cover and the plurality of fixed bases; the upper cover plate is fixed at the position of the opening of the grooved lower cover plate to form a grooved box structure; the sections of the bus are connected by the connector components; and the plurality of jack components can be arranged in the middle of the body of the bus. Each jack component consists of a plug, a fixed supporting clip, a fixed plug pin, a jack base and a jack cover plate or consists of a lamp holder, a plug, a fixed plug pin, a jack base and a jack cover plate. Each connector component is formed by connecting a connector upper cover, a connector base and a connector.

This invention provides a switch including a housing, a plunger that slides in a press direction or a return direction with respect to the housing, a return spring that biases the plunger in the return direction and is compressed by a slide of the plunger in the press direction, a plurality of terminals that are brought into a conductive state according to a predetermined position of the plunger, and a terminal contact spring that makes contact with the terminals so as to bring the terminals into a conductive state by the slide of the plunger in the press direction. The terminal contact spring is disposed so as to be compressed according to the slide of the plunger in the press direction under a contact state of making contact with the terminals.

The invention discloses a mutual inductor handover test device and a test method thereof. The device comprises a test wire clamp, a switching device and a tester. The test wire clamp is connected to the input end of the switching device through a test wire. A test port of the switching device is connected to the tester, the test wire clamp can clamp a screw of a secondary side terminal of the mutual inductor, the switching device is used for connecting and short-circuiting a secondary winding of the mutual inductor, and the tester comprises an insulation resistance tester, a transformation ratio tester, a mutual inductor characteristic tester and a direct-current resistance tester. According to the invention, through using the test wire clamp, the switching device and different testers, the test wire clamp is connected with the switching device, the switching device is connected to the secondary winding of the mutual inductor at a time, various tests are achieved when the mutual inductor is handed over, the functions of open circuit, short circuit and grounding operation of the secondary side winding are rapidly completed only through switching of the switching device, the test time is shortened, and the test efficiency is improved.