7020results about "Contact member assembly/disassembly" patented technology

A lead assembly for an electrical stimulation system includes terminals disposed along a proximal end of a lead body and electrodes disposed along a distal end of the lead body. The electrodes include segmented electrodes. At least one distal marker is disposed along the distal end of the lead body. The distal marker identifies the circumferential position of at least one of the segmented electrodes along the lead body. The distal marker is aligned with at least one of the segmented electrodes along the longitudinal length of the lead body. At least one proximal marker is disposed along the proximal end of the lead body. The proximal marker is aligned with the distal marker along the longitudinal length of the lead body. The distal marker and the proximal marker are discontinuous with one another along the lead body.

A device for brain stimulation includes a lead body having a distal end section and at least one inner conductive cylinder with at least one inner window cut out from the inner cylinder. The inner cylinder is disposed at the distal end section of the lead body. The device also includes an outer conductive cylinder with at least one outer window cut out from the outer cylinder. The outer cylinder is secured to and disposed concentric to the inner cylinder with a portion of each of the at least one inner cylinder aligned with the at least one outer window of the outer cylinder. The device further includes an insulator configured and arranged to electrically insulate each of the at least one inner cylinder and the outer cylinder.

A device for brain stimulation includes a lead body having a distal end section and at least one inner conductive cylinder with at least one inner window cut out from the inner cylinder. The inner cylinder is disposed at the distal end section of the lead body. The device also includes an outer conductive cylinder with at least one outer window cut out from the outer cylinder. The outer cylinder is secured to and disposed concentric to the inner cylinder with a portion of each of the at least one inner cylinder aligned with the at least one outer window of the outer cylinder. The device further includes an insulator configured and arranged to electrically insulate each of the at least one inner cylinder and the outer cylinder.

An F-connector for a coaxial cable comprises a front insulator, a back insulator, a connecting lead, and a locking ring. The connecting lead has an interior portion and an exterior portion. The interior portion is configured with a pair of side wall portions which are parallel to each other, and which together with a bottom portion form a U-shaped channel. The side wall portions each comprise a curved portion that are configured to grip the center conductor of the coaxial cable so as to withstand a certain level of withdrawal force, and such that the F-connector exhibits a desired impedance of 75 Ohms. The connecting lead engages with the front insulator and the back insulator such that the components are held in position within a connector body.

A method (10) of forming an electrically conducting feedthrough. The method (10) comprises a first step (11) of forming an electrically conductive structure (21) comprising a sacrificial component and a non-sacrificial component. At least a portion of the non-sacrificial component can then be coated with a relatively electrically insulating material (35) prior to removal of at least a portion of the sacrificial component from the electrically conductive structure. The structure of the feedthrough provides electrical connection through the wall of a housing of an implantable component while preventing unwanted transfer of materials between the interior of the component and the surrounding environment.

A coaxial cable connector includes tubular post, a coupler secured over an end of the tubular post for securing the connector to an appliance, and an outer body secured to the tubular post. An electrical grounding path is maintained between the coupler and the tubular post whether or not the coupler is tightly fastened to the appliance. The electrical grounding path is provided by a resilient, electrically-conductive grounding member disposed between the tubular post and the coupler. Alternatively, the connector includes conductive grease at a point where mating portions of the tubular post and coupler have closely matching dimensions.

A coaxial cable connector formed via multi-shot injection molding has a body formed by multiple injection molding layers of different injection moldable materials about a central inner contact to form an integral connector body. The connector body is provided with a coaxial dielectric spacer of dielectric polymer surrounding the inner contact; a coaxial inner body of injectable molded metal composition surrounding an outer diameter of the dielectric spacer; and an outer body of polymer surrounding the inner body. A range of different coupling bodies compatible with the connector body may also be formed via injection molding to provide connectors compatible with a range of different coaxial cable configurations.

An electrical connector includes a wafer formed with a ground shield made from a non-conductive material made conductive with conductive particles disposed therein, thereby eliminating the necessity of the metal ground shield plate found in prior art connectors while maintaining sufficient performance characteristics and minimizing electrical noise generated in the wafer. The wafer housing is formed with a first, insulative housing at least partially surrounding a pair of signal strips and a second, conductive housing at least partially surrounding the first, insulative housing and the signal strips. The housings provide the wafer with sufficient structural integrity, obviating the need for additional support structures or components for a wafer. Ground strips may be employed in the wafer and may be formed in the same plane as the signal strips. The second, conductive housing may be connected (e.g., molded) to the ground strips and spaced appropriately from the signal strips. The wafer may also include air gaps between the signal strips of one wafer and the conductive housing of an adjacent wafer further reducing electrical noise or other losses (e.g., cross-talk) without sacrificing significant signal strength.

A dual orientation connector having a connector tab with first and second major opposing sides and a plurality of electrical contacts carried by the connector tab. The plurality of contacts includes a first set of external contacts formed at the first major side and a second set of external contacts formed at the second major side. Each individual contact in the first plurality of contacts is electrically connected within the tab or body to a corresponding contact in the second plurality of contacts. In some embodiments contacts in the first and second pluralities of contacts that are directly opposite each other are coupled together. In some other embodiments, contacts in the first and second pluralities of contacts that are in a cater cornered relationship with each other are coupled together. The first plurality of contacts are symmetrically spaced with the second plurality of contacts and the connector tab is shaped to have 180 degree symmetry so that it can be inserted and operatively coupled to a corresponding receptacle connector in either of two insertion orientations.

Interconnection elements for electronic components, exhibiting desirable mechanical characteristic (such as resiliency, for making pressure contacts) are formed by using a shaping tool (512) to shape an elongate core element (502) of a soft material (such as gold or soft copper wire) to have a springable shape (including cantilever beam, S-shape, U-shape), and overcoating the shaped core element with a hard material (such as nickel and its alloys), to impart to desired spring (resilient) characteristic to the resulting composite interconnection element. A final overcoat of a material having superior electrical qualities (e.g., electrical conductivity and / or solderability) may be applied to the composite interconnection element. The resulting interconnection elements may be mounted to a variety of electronic components, including directly to semiconductor dies and wafers (in which case the overcoat material anchors the composite interconnection element to a terminal (or the like) on the electronic component), may be mounted to support substrates for use as interposers and may be mounted to substrates for use as probe cards or probe card inserts. The shaping tool may be an anvil (622) and a die (624), and may nick or sever successive shaped portions of the elongate elements, and the elongate element may be of an inherently hard (springy) material. Methods of fabricating interconnection elements on sacrificial substrates are described. Methods of fabricating tip structures (258) and contact tips at the end of interconnection elements are also described.

An electrical connector with reduced cross talk and controlled impedance. The connector comprises hybrid shields with lossy portions and conductive portions. The synergistic effect of the lossy portions and the conductive portions allows the hybrid shields to be relatively thin such that they can be incorporated into the mating interface regions or other mechanically constrained regions of the connector to provide adequate crosstalk suppression without undesirably impacting impedance. The conductive portions may be shaped to preferentially position the conductive regions adjacent signal conductors susceptible to cross talk to further contribute to the synergy. The conductive regions may include holes to contribute to desired electrical properties for the connector.

A coaxial cable connector includes tubular post, a coupler secured over an end of the tubular post for securing the connector to an appliance, and an outer body secured to the tubular post. An electrical grounding path is maintained between the coupler and the tubular post whether or not the coupler is tightly fastened to the appliance. The electrical grounding path is provided by a resilient, electrically-conductive grounding member disposed between the tubular post and the coupler. Alternatively, the connector includes conductive grease at a point where mating portions of the tubular post and coupler have closely matching dimensions.

A coaxial cable electrical connector more specifically an internal coaxial cable connector placed within a coaxial cable and its constituent components. A coaxial cable connector is in electrical communication with an inductive transformer and a coaxial cable. The connector is in electrical communication with the outer housing of the inductive transformer. A generally coaxial center conductor, a portion of which could be the coil in the inductive transformer, passes through the connector, is electrically insulated from the connector, and is in electrical communication with the conductive core of the coaxial cable. A plurality of bulbous pliant tabs on the coaxial cable connector mechanically engage the inside diameter of the coaxial cable thus grounding the transformer to the coaxial cable. The coaxial cable and inductive transformer are disposed within downhole tools to transmit electrical signals between downhole tools within a drill string. The internal coaxial cable connector can be used in a plurality of downhole tools, such as sections of pipe in a drill string, drill collars, heavy weight drill pipe, and jars.

An electrical connector assembly comprising a housing having an interior chamber defining at least one lead frame plane, and identical sets of non-identical lead frame elements. The lead frame plane has a reference point. The lead frame elements are mounted in the interior chamber and aligned within at least one lead frame plane. The lead frame elements are adjustable along the lead frame plane between multiple levels with respect to the reference point. The multiple mating levels of the lead frame elements are created from only one lead frame. The mating levels are selected by the individual lead frame elements being positioned with respect to the reference point. The electrical connector also comprises N lead frame elements, each of which is adjustable between M mating levels to form X lead frame configurations, wherein X=MN.

A guide for coaxial cable end connectors having a crimping ring at one end of the connector which receives the end of the coaxial cable, a cylindrical insert disposed in a central bore of the connector body and has a recessed portion for loose-fitting insertion of the cable to maintain centered to the body as the cable is advanced with the body. In one form, the guide is free to be removed from the body once the cable is fully inserted, and in another form has a tubular insert through which the cable is inserted and advanced into engagement with an extension pin with the tubular insert in surrounding relation to the extension pin. In one form, a starter plug supports an extension pin in the body and facing the male end of the cable so that the male end will advance the extension pin toward the opposite end of the connector body as the cable is advanced into the body.

A pre-electrode for a stimulation lead includes a generally cylindrical body having an exterior surface, an interior surface, a proximal end, and a distal end. The body includes multiple segmented electrodes disposed along the body; connecting material disposed along the outer surface of the body and coupling each of the segmented electrodes to one another; and multiple cutouts defined between adjacent segmented electrodes. The body also includes one or more of the following 1) a end wall step section formed in the exterior surface of the body on either the distal end or the proximal end of the body; 2) an alignment feature selected from a slot or a notch extending inwardly from the exterior surface of the body, or 3) a longitudinal step section formed in the exterior surface of the body.

In one embodiment, a method of fabricating a segmented electrode stimulation lead for implantation within a human patient for stimulation of tissue of the patient, the method comprises: providing a conductive ring, the conductive ring comprising an inner surface and an outer surface, the conductive ring comprising a plurality of grooves provided in the inner surface; electrically coupling a plurality of wires to the conductive ring; forming a stimulation assembly of the lead including the conductive ring and the plurality of wires; and grinding down the outer surface of the stimulation assembly of the lead at least until reaching the plurality of grooves to separate the conductive ring into a plurality of electrically isolated segmented electrodes.

An electrical connector electrically connects a first printed circuit board and a second printed circuit board, where the electrical connector includes: (a) an insulative housing; (b) a plurality of signal conductors, with at least a portion of each of the plurality of signal conductors disposed within the insulative housing; (c) each of the plurality of signal conductors having a first contact end, a second contact end and an intermediate portion therebetween; and (d) a passive circuit element electrically connected to the intermediate portion of each of the plurality of signal conductors, where the passive circuit element is housed in an insulative package and includes at least a capacitor or an inductor.

An electrical connector system includes a daughter card connector formed of a plurality of wafers. Each wafer is formed with cavities between the contacts of the signal conductors. The cavities are shaped to receive lossy inserts whereby crosstalk is reduced. The connector system may also or alternatively include a front housing formed with shield plates also to aid in reducing cross-talk. The front housing is adapted to mate between the wafers of the daughter card connector and a backplane connector of the electrical connector system. In an alternative embodiment, the front housing portion may include lossy conductive portions for cross-talk reduction.

A modular electrical connector with separately shielded signal conductor pairs. The connector may be assembled from modules, each containing a pair of signal conductors with surrounding partially or fully conductive material. Modules of different sizes may be assembled into wafers, which are then assembled into a connector. Wafers may include lossy material. In some embodiments, shielding members of two mating connectors may each have compliant members along their distal portions, such that, the shielding members engage at points of contact at multiple locations, some of which are adjacent the mating edge of each of the mating shielding members.

An electrical box is mounted on a wall stud, and a wiring panel is installed within the electrical box so as to partition the interior of the electrical box into a user inaccessible wiring compartment and a user accessible module compartment. A protective cover is attached to the wiring panel so as to protect the wiring panel during a makeup phase of wall panel installation and painting. After the makeup phase, the protective cover is removed from the wiring panel and a module having a user operable electrical function is mounted to the wiring panel within the user accessible module compartment.

A connector assembly is provided that is suitable for modifying the resonant frequency of ground terminals used in conjunction with high data rate signal terminals. Ground terminals may be interconnected with a conductive bridge so as to provide ground terminals with a predetermined maximum effective electrical length. Reducing the effective electrical length of the ground terminal can move the resonance frequencies of the connector outside the operational range of frequencies at which signals will be transmitted.

A conduction assist member has conductive members disposed in some or all through holes which are formed in a large number in a sheet made of an insulating elastic material. The conduction member is a cut piece which is fixed to the sheet at one end thereof and has two or more blades formed by one, two or more cuts. In the conduction assist member, one or some of the two or more blades formed on each cut piece, are bent toward one of two opening portions of the through hole so that ends of the blades formed on the cut pieces protrude from the opening portion on the same surface of the sheet. The conduction assist member can be applied as a connector to both a flat conduction surface and a curved conduction surface, and as an integrated circuit socket which can easily cope with differences in sizes of connectors and sockets, which is superior in high speed performance and usable as an integrated circuit socket for mounting, and which can easily be assembled.

An apparatus having an optical structure, ridges and an electrostatic actuator with a cantilever electrode is described, wherein the ridges connect the optical structure to a supporting structure and the electrostatic drive is implemented to deflect the optical structure.

An electrical connector with reduced cross talk and controlled impedance. The connector comprises hybrid shields with lossy portions and conductive portions. The synergistic effect of the lossy portions and the conductive portions allows the hybrid shields to be relatively thin such that they can be incorporated into the mating interface regions or other mechanically constrained regions of the connector to provide adequate crosstalk suppression without undesirably impacting impedance. The conductive portions may be shaped to preferentially position the conductive regions adjacent signal conductors susceptible to cross talk to further contribute to the synergy. The conductive regions may include holes to contribute to desired electrical properties for the connector.