Abstract: A method of manufacturing an electrically conductive adhesive bond between electrically conductive parts whose surfaces to be bonded exhibit a certain surface roughness, the surfaces to be bonded each being provided with a layer of at least one transition element of the first and/or second transition series of the periodic system of elements, which layer has a surface roughness in the .mu.m-range, such a quantity of an electrically non-conductive adhesive being used to form the adhesive bond that the raised portions of the transition-element-layer are still in contact with each other.

Abstract: A wound capacitor end connection is constructed by spraying a first layer of metal onto one end of a capacitor winding, positioning strands of a stranded conductor adjacent to the first layer, without mechanically securing the strands to the first layer, and spraying a second layer of metal over the strands and first layer to mechanically and electrically connect the strands to the first layer. In an alternative embodiment, the stranded conductor may be replaced by a perforated conductor having openings which provide additional electrical and mechanical connection points between the two sprayed metal layers.

Abstract: An improved electrical terminal which is attached to a terminal board having a base section from which extends a pair of spaced arms. One of the arms has its end formed with a notch to accept a relatively small diameter wire to be wound around the arm and the other has a tubular pocket at its end to accept the uninsulated end of a larger diameter wire. The length of the two arms and the terminal base section provide a heat sink to maintain the integrity of the solder connection of the smaller diameter wire wound on and soldered to the one arm at the time of soldering of the larger diameter wire in the pocket on the other arm.

Abstract: A method and product for coupling the ends of a pair of superconducting cored wires are provided, the core of the wires consisting essentially of a substantially unitary structure of a sintered powered superconducting compound material confined within a tubular element of a metal having an electrical conductivity of at least about 20% of that for pure copper taken as unity which metal forms a clad around the core material. The method comprises providing a pair of superconducting cored wires with the cladding material removed from an end of each of the wires to be coupled together to expose a finite length of said core material. A coupling device comprised of a tubular segment of the same metal as the cladding material is used to join the wires together, the tubular segment having disposed therein a green pellet of the superconducting material. The pellet is positioned inwardly from both ends of the tubular segment to allow for entry of the exposed end of the superconducting cored wires.

Abstract: A joint assembly for holding electrical conductors together comprises a connector which loosely engages the conductors when the assembly is subjected to relatively high temperatures. The connector is made of a material which has a sufficiently higher coefficient of expansion then the coefficient of expansion the material used for the electrical conductors in order to cause a differential shrinkage of the connector onto the conductors for a clamping engagement therebetween when the assembly is subjected to relatively low temperatures.

Abstract: A multiple wire joining device is disclosed which includes a generally tubular, deformable, electrically conductive housing having multiple apertures formed in the wall thereof. The apertures are axially spaced apart along the length of the housing and are each adapted to admit a wire therethrough so that it may entend axially along a length of the housing. The spacings between the apertures are sufficient to permit the admittance of a wire into the housing through each of the apertures a sufficient distance to enable the crimping of the housing adjacent each aperture to retain the respective wire therein.

Abstract: Excellent connection of conductors with high reliability can be accomplished by using an adhesive composition or flim capable of exhibiting anisotropic-electroconductivity comprising electroconductive particles comprising polymeric core materials coated with thin metal layers, and electrically insulating adhesive component.

Abstract: A miniaturized overload protection device for connecting electrical components and two or more electrically conductive wires and, more particularly, for connecting the adjacent end parts of the two wires together and connecting the other ends to the electrical components, comprising a protective device for connecting two electrically conductive wires together, and electrical components adapted to be connected with the electrically conductive wires. The protective device includes a binder having a low melting point, which is solid at ambient temperature to surround the adjacent end parts of the two wires when they are placed together and provides the mechanical strength therefor; and a coating made from a rigid material completely surrounding the solid binder and confining this binder in position at the time of its melting caused by a high current flowing through the conductive wires, thus maintaining the connection between the conductive wires.

Abstract: An explosively operated electrical connector for mechanically gripping and electrically interconnecting a pair of electrical cables. More particularly, the connector includes a C-member with converging, inwardly facing channels, a complementary wedge member and an explosively driven ram positioned in a housing on the C-member for driving the wedge member into wedging engagement with cables positioned in the channels.

Abstract: An anisotropically conductive adhesive composition (10) for use in electrically connecting at least one conductive area (14) on one substrate (12) with at least one conductive area (20) on a second substrate (18) is disclosed. The composition (10) is comprised of a mixture of conductive particles and a nonconductive adhesive binder (26). The conductive particles are dispersed throughout the binder in a plurality of noncontiguous conductive units (24) such that, upon applying a layer (30) of the composition (10) over both the conductive and insulating areas (14, 16) on one substrate (12) and positioning in a conducting relationship and adhering said at least one conductive area (20) on the second substrate (18) with said at least one conductive area (14) on the first substrate (12), the units (24) establish electrical connection between the adhered conductive areas (14, 20) on the two substrates (12, 18).

Abstract: An electrical coil including a pair of terminal members each having a generally U-shaped clip portion for connecting a terminal end wire of a winding of coil to an appropriate one of the terminal members. The clip portion has a curvature of at least 0.5 mm radius formed on its end wire receiving surfaces located on the side thereof which is closer to the winding of coil along the end wire extending from the winding.

Abstract: To form a sturdy, environmentally essentially unaffected and high-temperature resistance electrical connection between a connection wire (4) and a conductive track (2) on the substrate (1), a portion of the wire (4) is embedded in a unitary bonding element (3). The bonding element comprises about 70% of metal particles and 30% of glass particles to form a bonding spot. The bonding spot is made by applying a paste of glass and platinum powder, with the glass powder having a grain size several times larger than the platinum powder on the conductive track (2), pressing the end portion of the connection wire (4) into the spot so that the wire will be completely surrounded, and then firing the bonding spot. If the conductive track (2) is applied by film technology, firing of the conductive track (2) and of the bonding spot (3) can be carried out in a single operating step.

Abstract: A fitting for joining a tube to another axially aligned tube, or to a T-joint, elbow joint, or the like, comprising a sleeve fitted over the end of the tube, and an annular tubular member forced over the sleeve in coaxial relationship with the sleeve and the tube to compress the sleeve around the end of the tube to provide a high-strength fluid-tight joint between the sleeve and the tube. The fitting and the tube are formed of electrically conductive material, and an insulating dry lubricant is interposed between the components of the fitting, and between the fitting and the tube. The fitting is especially constructed to provide conductive paths from the surface of the tube and from the surface of an inner component of the fitting to an outer component so as to avoid arcing across the lubricant layer in the event of a lightning strike, or the like.

Abstract: After the process of manufacturing a cell of a display device, a thick film conductor is bonded onto the terminal portion of a transparent electrode of the display panel by a dry or wet transfer mounting method and a flexible printed circuit board for a driver is soldered on the thick film conductor, such a display device; a process for producing the display device; and a decal for dry or wet transfer mounting method to form a display panel terminal are disclosed.

Abstract: A superconductor comprises two superconducting wires butt-jointed, a superconducting doubling wire electrically and mechanically connecting the superconducting wires, and a stabilizer attached to the superconductors and the doubling wire to extend therealong, the superconductors, the doubling wire and the stabilizer together forming a superconductor of a constant cross-sectional area. A manufacturing process is also disclosed.

Abstract: A method of manufacturing an armature winding conductor including fusing brazing alloy onto the surface of the conductor, and, ensuring that the dimensions of the conductor, in the region carrying the alloy, are such that the conductor can pass through the slots of the armature core with which the windings are to be associated in use. The conductor is cut to length and bent to fit the armature either before or after the fusion step.

Abstract: This invention concerns a coil form with integral comb-like fins at least on one end, between which contact elements are placed that can be connected with the winding ends of the windings. Each contact element is held by the fastening grooves of two adjacent fins. In order that all connecting points can be made in the same, universal fashion, independent of the wire diameter of the individual winding leads, the contact elements are provided with a "U"-shaped receiving channel running parallel to the coil form axis. This receiving channel can be closed by a cover and can be ultrasonic welding to the walls of the receiving channel and to the winding ends inserted therein.

Abstract: An integrated circuit package having a plurality of leads capable of holding a quantity of solder paste prior to bonding to a printed circuit board or other substrate. The solder paste bearing structure may be straight or spiral grooves, or even a slot or roughened surface, running down at least the lower length of the leads as long as some mechanism is present which will first hold the solder paste or other electrically conductive binder on the lead and then deliver the binder to the end of the lead to produce an electrical and structural bond in a binder flowing operation. Application of the solder paste to the leads is accomplished by simply dipping the package leads into the paste thereby eliminating the need to make a solder mask for the substrate as well as the task of aligning the mask to the substrate.

Abstract: An elastomeric electro-conductive device 10 for human/animal joint movement monitoring comprises a silicone polymer non-conductive substrate 11 carrying an elastomeric electro-conductive member 12 formed from silicone polymer loaded with graphite carbon particles. Conductor means 14A,14B enable connection of the device 10 to an electrical network and comprise lengths 15 of conductive silicone rubber adhesively secured at one end to member 12 by a body 18 of elastomeric bonding material. The body 18 and the member 12 have the same electrical characteristics and may have identical constituents and formulations.

Abstract: There is disclosed a method of permanently joining conductive electrical components comprising placing portions of the two components in surface to surface contact and passing a rapidly rotating wheel across a surface of one of the portions opposed to the said surface in contact, whereby instantaneously a high energy level is created at the surfaces in contact and a bond is formed between them. Particular importance for the method is in the attachment of flexible conductors to the terminal pads of printed circuit boards. The method can also be used in resoldering components together, and in cable-jointing operations. The electrical components thus bonded together are novel products.

Abstract: A method of forming a connection part for polyolefin insulated electrical wires or cables is disclosed which comprises a cross-linkable reinforcing insulation layer around said connection part, providing around said reinforcing insulation layer a heat shrinkable tube consisting of an integrated assembly of a semiconductive layer and a specific insulated portion consisting of at least two cylindrical heat shrinkable semiconductive members in combination with each other through an insulation material, and then heating said tube under pressure to effect crosslinking of said reinforcing insulation layer and cause said reinforcing layer to become integrated with said heat shrinkable tube. A heat shrinkable tube for use in this method is also described.

Abstract: An electrical terminal having a wire clamping tab connected thereto by an essentially thin neck portion about which a wire coated with a resin-type, high temperature insulation is adapted to be wound so that, when the tab is bent back against the terminal by opposed, energized electrodes to clamp a portion of the wire extending from the neck portion therebetween, resistance of the latter to flow of current heats both the neck portion and the wire wrapped therearound sufficiently to explode the insulation from the wire to assure a good electrical connection. At the same time the relatively large area of the terminal and its clamping tab maintains the clamped portion of the wire below its annealing temperature so that it is resistant to breakage in use.

Abstract: An apparatus for interfacing materials and absorbing disparate thermal expansions thereof utilizes a woven wire mesh to support a predetermined thickness of a first soft solder which absorbs expansions, and utilizes a second soft solder having a lower melting point than the first to coat the surfaces of the wire mesh/first soft solder combination so that the materials can be bonded thereto.

Abstract: The present invention relates to a plug-in arrangement for circuit boards and a process for tin plating contact pins of the arrangement. The present invention improves the tinning of winding end portions of a winding about nonmetallic contact pins on coil forms. The contact pins are adapted for connection with printed circuits. The present invention discloses contact pins in one piece, or with multiple parts, which pins are given a profiled configuration on an outer surface. The contact pins may have different profiled shapes or configurations including grooves. In the case of multiple part contact pins, gaps are provided between the parts. The grooves or gaps permit the escape of gas generated upon the burning of an enamel insulation layer on the winding end portions. Also, the end portions rest above bottoms of the grooves or gaps such that the end portions are surrounded with tin solder.

Abstract: The method of providing an improved soldered electrical connection includes the step of providing a ring over an electrical wire and a terminal which are to be soldered together, and then compressing the ring to form a mechanical connection between the wire and the terminal prior to soldering. The mechanical connection holds the wire for a substantial length against the terminal and prevents movement during the soldering thereby insuring against a cold solder joint. Preferably, the ring is divided with the free ends preferably being offset to provide ease in sliding past each other. Preferably, a specially designed tool is utilized to compress the ring, the tool being provided with specially designed grooves in its jaws for holding the ring on end.

Abstract: An improved electrical terminal designed to eliminate arcing and corona effects has a substantially spherical post with one or more circumferential slots perpendicular to the longitudinal axis of the terminal. In one embodiment, each slot is adapted to receive a wire of predetermined gage in a close-fitting wrapped configuration. The outer diameter of the wire does not extend beyond the circumference of the sphere. The number and size of the slots depends on the number and gage of the wire(s) to be connected. More than one wire can be connected in a single slot, either by wrapping the wires concentrically or in parallel planes within the same slot. Solder is applied to the wrapped wires to form a secure, smooth and rounded connection.

Abstract: An electrical connector and method of making an electrical connection for reliably supporting conductors with a high retention force. The connector has two conductor-engaging members joined through a pin making an interference fit with and bonding itself to at least one member. The pin contains grooves and lands on its surface which are permanently altered as the pin is pressed or fired into the conductor engaging member to provide a strong, high retention force cold welded connection.

Abstract: This invention relates to electrical connectors and more particularly to a connector for compression-formed parallel, X- and T-tap connections. The connector disclosed herein is a single piece member having wire-receiving passages adjacent each end. Slots parallel to and extending outwardly from the passages through the end sections define walls or fingers which may be closed in towards each other and the passages to crimp wires which may be positioned therein.

Abstract: A gas-insulated electric apparatus improved in the conductive, heat-releasing, waterproof and rustproof properties, which comprises a plurality of linearly arranged grounded metal cases; and wherein a flange is formed at both ends of all adjacent metal cases; the flanges provided at the mutually facing ends of said metal cases are tightly joined together by proper means for the electric and mechanical connection of said metal cases; and a compound prepared by mixing silicone oil with 20 to 40% by weight of zinc powder and 5 to 15% by weight of aluminum powder is applied to the surface of the junction of the flanges.

Abstract: A device is disclosed for fitting a fracture wire around a tooth as part of an interdental arch wiring technique. In a preferred embodiment of the invention, the wire is U-shaped and the ends of a loop of dental floss are secured to respectively opposite end portions of the wire. Portions of the dental floss loop adjacent the ends of the wire are inserted downwardly into the respective interdental spaces on opposite sides of the tooth in question and the dental floss is then used to lead the wire into those spaces and to a position in which the bight of the wire embraces the tooth.

Abstract: In a gas discharge over-voltage arrester a welded connection is provided between electrodes thereof and connection wires preferably by means of long-time resistance welding of copper to copper. A respective peg with a diameter of approximately 9/10 and a length of approximately 6/10 of the diameter of the connection wire projects from the surfaces of the electrodes to be connected. The connection wire is welded blunt to the end surface of the peg.

Abstract: An assembly for making a mechanical or electrical connection between a conductor and the like and another element. The assembly comprises a tubular housing having a tapered portion converging toward an open end of the housing, the housing containing a unitary, tubular, conductor gripping member. The conductor gripping member has an outer tapered surface converging toward one of its ends and toward the open end of the housing. At least one coil spring made of relatively large gauge spring material is held in compression within the housing and in a manner that will drive the conductor gripping member toward the open end of the housing with substantial force when the compression of the spring is released. The tapered end of the housing is then effective to collapse the gripping member on a conductor or cable inserted in the housing and into the member.

Abstract: An electrical conductor interconnect is disclosed which permits hard-to-contact substrates, such as the glass substrate in liquid crystal display cells, to be connected to electrical apparatus by conventional soldering techniques. The interconnect conductor involves the use of a polymer loaded with both a conducting powder and a non-noble metal powder whose top surface is coated with a contiguous layer of an adherent solderable metal by an augmentation replacement reaction.

Abstract: Two improvements to the electrical conductor connection disclosed in U.S. Pat. No. 4,163,869. The first is a new and improved process for forming by means of multiple timed MIG arc welding, an electrical connection between at least two lapped aluminum conductors, wherein neither conductor member has a pilot hole, thereby eliminating preforming and alignment requirements. The improved process produces the same full penetration weld with the same highly desirable substantially cylindrical weld nugget as the process of U.S. Pat. No. 4,163,869 with a preformed pilot hole does. The second improvement is a new and superior electrical conductor connection and a method of forming same between at least two lapped aluminum conductors. The connection so formed includes a weld nugget having a substantially rectangular cross-sectional configuration at the interface. The rectangular shape of the weld nugget at the interface increases the mechanical torque capacity and the electrical conductivity of the connection.

Abstract: This disclosure depicts a novel method and system for crimping an elongated malleable metal connector onto two cables or the like and deforming the connector so that in its final crimped condition it is of generally a semi-cruciform/semi-circular shape in transverse cross-section with offset tap cable lodgment.

Abstract: A bimetallic electrical terminator, formed from aluminum and copper members and having a hot pressure bond lock between its members is disclosed. A method for forming such a terminator is also disclosed. The bimetallic electrical terminator may be used within a separable connector to interconnect two branches of a high voltage electrical network. The bimetallic terminator has a low electrical resistance and a high mechanical strength between its aluminum and copper members.

Abstract: A sound, low resistance joint is provided between two electrically conductive members, at least one having a bonded insulation coating thereon. In one form of the method of the present invention, a continuous metallic penetrator having sharp edges or burrs, such as a brass screen, is interwoven about at least two bonded insulation coated conductive members. The coated conductive members and interwoven penetrator are placed in a conductive connector member having chamfered holes therein. Welding electrodes subject the connector member to heat and pressure with welding current flowing between the welding electrodes. At least some of the welding current flows through the continuous metallic penetrator before the penetrator makes electrical contact to the insulation coated conductive members. The penetrator becomes heated by thermal heat from the welding electroides and resistance heat as the welding current passes therethrough.

Abstract: An aluminum electrical conductor is electrically joined to a copper electrical conductor by a cold weld lap joint which is substantially free of copper-aluminum intermetallic compounds. The overlapped portions of the conductors are deformed at least 74% and no greater than 82% to achieve a weld joint which has both excellent physical properties and excellent electrical properties. The cold weld lap joint is a reliable electrical connection for electrical circuits experiencing current densities of more than 1000 amperes per square inch and a sustained high temperature of 125.degree. C. and above.

Abstract: An electrical female terminal comprises a longitudinal floor portion having an integral transverse wall at one end. A pin terminal is inserted through a hole in the transverse wall against a stop formed by an L-shaped flap which is integrally attached to a longitudinal edge of the floor portion of the female terminal. The female terminal has a second flap which is integrally attached to an opposite longitudinal edge of its floor portion and which functions as a spring clip to bias the pin terminal against a projection in the floor portion. The pin terminal is resistance welded to the projection and the flaps are spaced from the transverse wall to provide access for one of the welding electrodes.

Abstract: In an electrical switchboard, the body of an aluminum connector is welded to a riser bus. Bolts clamp a horizontal busbar in electrical connection with the connector body and, at the same time, fixture the horizontal busbar with a projection of the connector body protruding through an opening in the horizontal busbar. The projection is then welded to the horizontal busbar along the edges of the opening therein to create a bolted/welded joint electrically connecting the horizontal busbar to the riser bus. The projection is of sufficient height to accommodate plural coextensive horizontal busbars of a multiple bar bus run, common, bolted/welded electrical connection with the riser bus.

Abstract: In an electrical switchboard, an aluminum run-in connector is formed in an L-shaped configuration having a vertically oriented segment and a horizontally oriented segment extending inwardly to a termination where electrical connection to a device terminal can be made. A bolt clamps the vertical segment in electrical connection with an aluminum riser bus and, at the same time, fixtures the connector with a horizontal projection of the vertical segment protruding through an opening in the riser bus. The projection is then welded to the riser bus along the edges of the opening therein to complete a bolted/welded joint between the connector and the riser bus.

Abstract: A copper sleeve is employed to join a molybdenum disilicide heating rod with a conductor by a brazing process including fluxing the interior of the sleeve, positioning the sleeve partially over one end of the heating rod and heating the junction of the sleeve and rod in a nonoxidizing flame while applying a brazing alloy to the interior of the sleeve. The conductor is then crimped to the opposite end of the sleeve for providing an electrical and mechanical connection of the conductor to the heating rod.

Abstract: This invention relates to a device for splicing the ends of two large diameter cable of the type having an inner core of steel wires around which aluminum wires are helically wrapped. The device includes outer and inner housings. A firing barrel and associated pistons are positioned within the inner housing along with a first set of cable gripping jaws. A second set of cable gripping jaws are positioned within the first housing and are in tandem with the first set of jaws.

Abstract: Apparatus for connecting an electrically conducting antenna lead to a non-solderable, electrically conducting antenna surface includes a strip of electrically conducting solderable tape fixed adhesively to the first paint coating, the lead being soldered to the strip. The strip has a plurality of cutout openings to provide inner edges and additional access to the antenna surface; and a coating of electrically conducting paint over the strip and openings to provide electrical contact between the strip top or edges and the antenna surface and further provide environmental protection for the apparatus.

Abstract: A semiconductor device subassembly of an elongated conductive lead member, a refractory metal slug and a brazing disk is constructed by mechanically securing the slug to the lead member, assembling the brazing disc to contact both the slug and the lead member and thereafter brazing the slug and the lead member together.

Abstract: High-use-temperature electrical contacts for carbon-containing glasses which include a soft, glass-adherent metal layer in contact with the carbon phase in the glass and a compression electrode positioned over the metal layer which maintains compressive stress between the layer and the glass at temperatures up to and including the contact use temperature are described. Electrical circuit elements comprising one or more of such contacts offer stable electrical performance after repeated cycling to high temperatures.

Abstract: An electro-mechanical, low backlash cable connector having a plurality of ring washers disposed within a connector housing. A plurality of spacer washers disposed between each pair of spring washers imparts independent operation to each spring washer and translates shear forces from the entering cable to the connector housing. Both the spring washers and the spacer washers are disposed at an inward angle from the connector housing opening. Such angular disposition allows a cable to freely enter the connector housing. However, upon attempting to withdraw the cable, the spring washers bite into the cable thereby preventing its egress.

Abstract: Described herein is an improved connector sleeve and a method of forming wire wrap post terminations with this connector sleeve. The sleeve comprises a solder ring and a fixturing member positioned in an axially displaced relationship within a heat recoverable sleeve such that the fixturing member and the solder ring are held in place by the heat recoverable sleeve.

Abstract: A connector-cable assembly in which a flat, multiple wire cable is secured in a connector body through a transverse, sharply angled rib, and the stripped wire ends are terminated into a plurality of plate members disposed in parallel planes and spaced longitudinally of the wires to provide mounting and working space. Each wire is terminated by being progressively urged and then forced into an open throated slot formed in one of the plate members. The slots are formed so that there is intimate, large area contact, and wedge resistance to linear pull-out. The plate members are plated for corrosion resistance and a heating step following mechanical connection causes melting or intermetallic diffusion. The rib not only provides strain relief, but also indexes the cable end for assembly and anchors the cable for partial stripping--the latter permitting simultaneous and convenient positioning of the wires.

Abstract: Disclosed is an electronic component which includes soldered leads (30 and 31) for electrical connection to other components. The electronic component is typically a film or hybrid integrated circuit formed on an insulating substrate (10) which includes contact pads (20-23) on the periphery. Clip-on type leads (30 and 31) are soldered to these pads. The leads include a thin layer of nickel (36) formed at least in the jaw (32) of the clip-on lead to prevent the formation of brittle intermetallics by the interaction of solder components with the lead components.