41results about How to "Reliable conductive connection" patented technology

A semiconductor device in the first embodiment includes: an electrode pad and a resin projection, formed on an active surface; a conductive film deposited from a surface of the electrode pad to a surface of the resin projection; a resin bump formed with the resin projection and with the conductive film. The semiconductor device is conductively connected to the opposing substrate through the resin bump electrode. The testing electrode is formed with the conductive film that is extended and applied to the opposite side of the electrode pad across the resin projection.

An anisotropic conductive film, and its production method, especially suitable for mounting a semiconductor package and sufficiently satisfying the requirements of higher density mounting because short circuit does not occur in the plane direction of the film even if the pitch of electrodes is small, or suitable for mounting a contact probe because conductive connection not fused with a high current can be ensured with a lower pressure and even a high frequency signal can be dealt with. The anisotropic conductive film contains metal powder having such a shape that many fine metal particles are linked as a conductive component, wherein the length of the chain of metal powder is set not longer than the distance between adjacent electrodes being bonded conductively when a semiconductor package is mounted, and the diameter of the chain is set in the range of 1 μm-20 μm when a contact probe is mounted. At least a part of the film is formed while orienting a chain formed of a paramagnetic metal with a magnetic field.

The present invention relates to a fill-level measuring device for measuring the fill level of a filling material in a tank (1) capacitively and / or according to the propagation time principle, comprising a coaxial measuring probe, the inner conductor (3) of which is galvanically isolated from the shield conductor (5) of said coaxial measuring probe and the shield conductor (5) of which is electrically at a reference potential, having a fastening device (7) electrically at a reference potential for fastening the measuring device to a tank opening (11) equipped with a counterpart (9) that corresponds to the fastening device (7), an annular disk (13) that is made of an electrically conducting material and that is clamped between the fastening device (7) and the counterpart (9) during measuring operation, an inner conductor (3) that is completely surrounded by an insulating layer (15); and that is fed through the annular disk (13) into the tank (1) during measuring operation, an insulating body (17) that is connected to the insulating layer (15), coaxially surrounds the inner conductor (3), and comprises an annular disk-shaped section (19) that is clamped between the fastening device (7) and the annular disk (13), a shield conductor (5) that coaxially surrounds the inner conductor (3) and is connected to the annular disk (13) mechanically and in an electrically conducting manner, and at least one electrical contact element (23), which is fixed on a spring element (25) in the annular disk (13) outside an area of the annular disk covered by the insulating body (17) and by which the shield conductor (5) is connected to the fastening device (7) through the contact element (23) and the annular disk (13) in an electrically conducting manner.

This utility model relates to a decorative light, and particularly, to a decorative light capable of avoiding an open circuit condition on an entire string of bulbs that operate in series when an individual bulb is removed. The decorative light comprises a socket, a bulb base, a bulb and two terminals, wherein the socket is provided with a retainer therein, which has an opening laterally extending therethrough, and an elastic, conductive ring or coil with a thickness smaller than a width of the opening is disposed within the opening. When the elastic ring or coil is in a natural state, the elastic ring extends outside the retainer through the opening at two sides of the retainer. The bulb base is further provided with an inserting partition at the bottom thereof The elastic conductive ring has two states: one is a separating state where the bulb base is inserted into the socket. In this first state, the inserting partition of the bulb base separates one side of the elastic ring or coil from the corresponding terminals. The other state is a conducting state of the two terminals when the bulb base is removed from the socket. In this second state both sides of the elastic, conductive ring or coil provide contact with the two terminals respectively. This utility model provides a decorative light capable of preventing failure of the complete string of bulbs when any bulb is removed.

A semiconductor device has a semiconductor element provided with a functional surface on which a functional circuit is formed and with a back surface facing in the opposite direction to the functional surface, while also having a lead supporting the semiconductor element and electrically connected to the semiconductor element, and a resin package covering at least a portion of the semiconductor element and the lead. The semiconductor element has a functional surface side electrode formed on the functional surface and equipped with a functional surface side raised part that projects in the direction in which the functional surface faces. The functional surface side raised part of the functional surface side electrode is joined to the lead by solid state bonding.

The invention belongs to the technical field of electric power security, and particularly relates to a current guide device for a current transformer. The current guide device comprises a connecting portion and two lapping portions connected at two ends of the connecting portion, the lapping portions and the connecting portion form a U-shaped structure, the lapping portions are provided with a plurality of threaded holes, the connecting portion is provided with a plurality of copper strips, and the lapping portions are lapped on a connection pad of the current transformer. A current-carrying loop and conductive current-carrying area are increased, and overheating of the current transformer is prevented. Moreover, without changing the structure of a connection pad of an original current transformer, the current guide device is simple and convenient to mount, and interruption maintenance time is shortened.

The invention discloses an aluminum electrolysis serial head groove emergency device. The head groove emergency device comprises a conductor, or three sections of conductors connected through soft connectors; two connecting ends of the head groove emergency device are connected with two adjacent aisle buses of an electrolysis tank; and each aisle bus is connected to a corresponding stand column bus. The aisle buses of the electrolysis tank at a power inlet end flow to the adjacent aisle buses through the head groove emergency device; the part of electricity enters short-circuit blocks by the corresponding stand column buses after being remained on the aisle buses and guided to the other sets of the aisle buses through the head groove emergency device, and enter tank periphery buses by theshort-circuit blocks to effectively solve accidents in a short-circuit port of the electrolysis tank at the power inlet end of each work area; and serial current is difficult to enter the tank periphery buses and connecting plates, connected with the aisle buses and the stand column buses of the electrolysis tank at the power inlet end of each work area, through the short-circuit blocks to cause faults or incapability of circulating the current due to failures of the stand column buses.

The invention discloses a deformable conductive connection mechanism, which is characterized by comprising a contact guide seat, a group of contact pieces are arranged on two sides of the contact guide seat through a plurality of limiting pins and spring pins, and a vacuum switch moving contact is in contact with the contact pieces under the guide action of the contact guide seat; the contact piece moves within the limiting range of the limiting pin, and the spring pin is used for adjusting the pressing force of the contact piece on the vacuum switch moving contact. A contact ball is mounted on the inner side of the contact piece, and the contact piece is connected with the contact seat through the contact ball; and a bus is connected with the contact seat. The invention provides the deformable conductive connection mechanism, which can solve the problem of conductive connection between the rotary or similar vacuum switch contact and the bus, and ensure reliable conductive connection between the contact and the bus in the moving process under the condition that the traditional contact connection cannot be used.

The invention discloses a cable branch box facilitating wiring. The cable branch box comprises a box body, cable wires, a conducting bar and wiring fasteners, main body portions of the wiring fasteners are connected together through connection sheets, a plurality of cable wires are respectively and conductively connected to conductive support points of the conducting bar through the wiring fasteners, the wiring fasteners are connected and arranged on a guide rod on a branch plate in a sleeved manner, wiring terminals of the cable wires are respectively arranged on insulation bolts of the conducting bar in a sleeved manner during wiring, the wiring fasteners slide downwardly, the wiring fasteners correspondingly provided with the wiring terminals are screwed to the insulation bolts, conductive columns of the wiring fasteners can be inserted into wiring holes of the corresponding wiring terminals, and the conducting bar and the wiring terminals communicate in a conductive manner and arefirmly fixed so that connection of the cable wires can be rapidly realized. According to the cable branch box facilitating wiring, multiple wirings can be facilitated, and the connection between the cable wires and the conducting bar is more reliable and firm through a plugging interlocking structure so that the reliability of branch power distribution of the cable branch box is improved.

This utility model relates to a decorative light, and particularly, to a decorative light capable of avoiding an open circuit condition on an entire string of bulbs that operate in series when an individual bulb is removed. The decorative light comprises a socket, a bulb base, a bulb and two terminals, wherein the socket is provided with a retainer therein, which has an opening laterally extending therethrough, and an elastic conductive ring with a thickness smaller than a width of the opening is disposed within the opening. When the elastic ring is in a natural state, the elastic ring extends outside the retainer through the opening at two sides of the retainer. The bulb base is further provided with an inserting partition at the bottom thereof. The elastic conductive ring has two states: one is a separating state where the bulb base is inserted into the socket. In this first state, the inserting partition of the bulb base separates one side of the elastic ring from the corresponding terminals. The other state is a conducting state of the two terminals when the bulb base is removed from the socket. In this second state both sides of the elastic conductive ring provide with the two terminals respectively. This utility model provides a decorative light capable of preventing failure of the complete string of bulbs when any bulb is removed.

The invention relates to a tube mother support fitting and a power transmission system. The pipe nut support fittings include: a flange plate with a pipe nut hoop; the flange plate is provided with a guide hole; it also includes: a conductive rod, which is guided and slidably fitted in the guide hole; an elastic member, It is used to apply an elastic force to the conductive rod, and the elastic force is directed towards the tube nut supported by the tube nut supporting hardware, so that the conductive rod slides in the guide hole to maintain conductive contact with the tube nut; the conductive rod passes through The spring contact finger is electrically connected to the flange plate, the spring contact finger is arranged at the guide hole, and the center line of the spring contact finger coincides with the center line of the guide hole; or, the conductive rod is electrically connected to the flange plate through a soft connection One end of the flexible connection is conductively connected to the conductive rod, and the other end of the flexible connection is conductively connected to the flange plate. Since the conductive rod is reliably conductively connected to the flange plate through a flexible connection or a spring contact finger, the equipotential reliable connection between the tube mother and the flange plate is realized.

A semiconductor device has a semiconductor element provided with a functional surface on which a functional circuit is formed and with a back surface facing in the opposite direction to the functional surface, while also having a lead supporting the semiconductor element and electrically connected to the semiconductor element, and a resin package covering at least a portion of the semiconductor element and the lead. The semiconductor element has a functional surface side electrode formed on the functional surface and equipped with a functional surface side raised part that projects in the direction in which the functional surface faces. The functional surface side raised part of the functional surface side electrode is joined to the lead by solid state bonding.

The invention discloses an aluminum electrolysis cell emergency short-circuiting device. The aluminum electrolysis cell emergency short-circuiting device comprises an emergency short-circuiting bus. One end of the emergency short-circuiting bus is connected with a riser bus located below a short-circuiting port of an aluminum electrolysis cell, and the other end of the emergency short-circuiting bus is connected with a short-circuiting bus below an electrolysis cell short-circuiting block. Currents are directly guided to the short-circuiting bus below the short-circuiting block from the riserside located below the short-circuiting port through the emergency short-circuiting bus and do not need to flow through the short-circuiting block and the riser bus at the position of the short-circuiting port, and therefore the technical problems that in the prior art, a device cannot be completely suitable for the situation that the short-circuiting port fails, and emergency processing is hardlyachieved once an accident of the short-circuiting port happens can be effectively solved.

The invention discloses a cable branch box. The cable branch box comprises a box body, cables, a conducting bar, and wiring fastening devices; the conducting bar is arranged in the box body, multiplecables are conductively connected to various conducting fulcrums of the conducting bar through the wiring fastening devices; the wiring terminals of the cables and the wiring fastening devices are respectively sleeved on the conducting bolts on the conducting bar, and the wiring terminals are screwed to the conducting bolts through locking parts of the wiring fastening devices, and the conductingcylinders of the wiring fastening devices are inserted to the wiring holes of the corresponding wiring terminals; the conducting bar and the wiring terminals are reliably and conductively communicatedand firmly fixed; and the conducting bodies and the conducting cylinders in the locking parts of the wiring fastening devices are conductively connected through the conducting bolts; and when the wiring terminals do not tightly contact with the surface of the conducting bar, the electric energy can be transmitted through this path. Through the cable branch box disclosed by the invention, the connection of the cables and the conducting bar is more reliable and firm through a plugging locking structure, and the branch power distribution reliability of the cable branch box is improved.

The invention provides a preparation process of a connecting conductor material for a power source system of a new energy vehicle. The preparation process includes discharging, material strip detection, slitting, loading, polymer diffusion welding, surface treatment, punching, polishing, secondary blanking, secondary polishing, electroplating, third-time polishing, sleeving / plastic dipping, inspection, packaging, and the obtaining of the finished product. The polymer diffusion welding step includes first placing the well slit material in a jig for positioning; and a well-positioned to-be-welded material in a graphite welding area for welding. The material has the advantages of strong applicability, strong electrical conductivity, high current resistance, small resistance value and durability. The material is mainly used to connect each unit battery pack in the new energy vehicle power source system to finally form a power system of the electric vehicle.