Abstract:
Exemplary embodiments provide precision resistive composite members and methods for manufacturing and using them. The resistive composite member can have controllable dimensions, geometric shapes, mechanical properties and resistance values. The resistive composite member can be used for high-performance sensors or instrument probes that require, for example, high contact pressure, ultra-high frequency, and/or enable state-of-the-art digital signal transmission, characterization, or measurement. The resistive composite member can include one or more "twisted-fiber-tow" or one or more arrays of "twisted-fiber-tow" contained in a suitable non-metallic or essentially non-metallic binder material. The "twisted-fiber-tow" can further include a number of fibers that are twisted individually and/or in bundles in order to control the mechanical properties and fine-tune the resistance of the resistive composite member and thus to customize the high-performance instrument probes.
Abstract:
Composite materials, methods for making and processing these materials, and systems for using the composite material are described. The disclosed composite material (or composite member) includes a plurality of continuous filaments (110) and can include fiber-like and/or particulate materials (124) incorporated within a binder polymer (134). For example, the composite member of filaments (110) can include fibril-shaped, semi-conductive elements (124) that are contained in a suitable binder polymer (134) to achieve a particular resistance value, wherein the filaments can be integrated and interlinked in a manner as to create an array of resistive elements that precisely define and control current flows through a device formed of the composite material. The composite member can therefore have resistive characteristics and, none or neglectablely low amount of capacitive or inductive characteristics. The composite member can be used in market for electrical testing devices, e.g., as high performance, dynamic probes/sensors for very frequency and/or complex mixed-frequency signals.
Abstract:
An adhesive contains a resin and a filler (I). The resin is chosen from polyvinyl butyral, phenolic resin and/or epoxy resin, and the filler (I) comprises carbon filler.
Abstract:
There is disclosed an electrical component having an axial direction and two ends for making electrical contact with another component comprising a plurality of electrically conductive fibers in a matrix, the plurality of the fibers being oriented in the matrix in a direction substantially parallel in the axial direction of the component and being continuous from one end of the component to the other end to provide a plurality of electrical point contacts at each end of the component, wherein the component further includes magnetic particles.
Abstract:
There is disclosed an electrical component having an axial direction and two ends for making electrical contact with another component comprising a plurality of electrically conductive fibers in a matrix, the plurality of the fibers being oriented in the matrix in a direction substantially parallel in the axial direction of the component and being continuous from one end of the component to the other end to provide a plurality of electrical point contacts at each end of the component, wherein the component further includes magnetic particles.
Abstract:
Electroconductive fibers with electrically conductive filler suffused through or coated upon the surface of the filamentary polymer substrate and being present inside the filamentary polymer substrate as a uniformly dispersed phase adhered to the polymer substrate in an annular region located at the periphery of the filament and extending inwardly along the diameter thereof, wherein the electroconductive fibers are suitable for miniature cleaning brushes for an image forming apparatus are disclosed.
Abstract:
An electroconductive contact is formed of a pultruded member (18) that has a hollow construction. The pultruded member (18) includes a plurality of continuous electroconductive strands (10) embedded in a resin material (12). At least one end of the pultruded member (18) has laser fibrillated strands that are intended to contact a photoreceptive belt (42;Fig. 4). An alignment structure (32;Fig. 3) can be integrally formed during the pultrusion process on a surface of the pultruded member (18). The alignment structure aligns the pultruded member (18) relative to a contact. The electroconductive contact (20; Fig. 4) may also provide electrical connection between a photoreceptive belt (42) and a ground terminal (44).