Abstract:
A cover assembly for covering an elongate substrate includes a holdout device and a resilient, elastically radially expanded sleeve member. The holdout device includes a core having an axially extending slit defined therein and defining a core passage to receive the substrate, and a designated target region. The sleeve member defines an axially extending sleeve passage. The sleeve member is mounted on the core such that the core is disposed in the sleeve passage and the sleeve member exerts a radially compressive recovery force on the core. When the substrate is disposed in the core passage and a radially directed release force is applied to the target region, the core will reduce in circumference and collapse around the substrate under the recovery force of the sleeve member to a collapsed position.
Abstract:
Provided are low-melt polyimides and poly(amic acids) (PAAs) for use in repair of electrical wire insulation, flat or ribbon wire harnesses, and flat surfaces comprised of high-performance polymers such as inflatables or solar panels applications. Also provided are methods and devices for repair of electrical insulation.
Abstract:
A method for installing an elastomeric cover sleeve on an electrical connection including a connector and a cable having a cable axis includes: providing an installation tool including a slide portion; premounting the installation tool on the cable such that the slide portion extends along the cable axis and covers a portion of the cable; thereafter, sliding the cover sleeve onto the cable and onto the slide portion of the premounted installation tool to a parked position wherein the slide portion is interposed between the cover sleeve and the cable; installing the connector onto the cable; and thereafter, sliding the cover sleeve along the cable axis and the slide portion onto the connector.
Abstract:
A high frequency cable includes: a central conductor made from aluminum or an aluminum alloy; a covering layer made from copper covering the central conductor, and having a fiber-like structure in a longitudinal direction; and an intermetallic compound layer formed between the central conductor and the covering layer and having greater volume resistivity than the covering layer, wherein a cross-sectional area of the covering layer is 15% or less of an entire cross-sectional area including the central conductor, the intermetallic compound layer and the covering layer.
Abstract:
One or more insulated conductive wire assemblies are incorporated in a pressure balanced, oil-filled (PBOF) hose. Each conductive wire assembly has a pair of conductive wires each having an insulation layer, an insulating material surrounding the insulated wires, and an outer insulating layer surrounding the insulating material. The insulating material may be selected to have a dielectric constant substantially matching the dielectric constant of the oil in the PBOF hose, so that the insulated pair of conductors perform in the same way both before and after the assembly is submerged in oil in the jumper hose. One or more parameters of the conductive wire assembly are selected such that the assembly has a predetermined impedance when submerged in oil within the PBOF hose.
Abstract:
A copper wire rod with an excellent surface quality and a magnet wire, in which the occurrence of blister defects is suppressed, are provided. The copper wire rod has a composition consisting of: more than 10 ppm by mass and 30 ppm by mass or less of P; 10 ppm by mass or less of O; 1 ppm by mass or less of H; and the balance Cu and inevitable impurities, wherein hydrogen concentration after performing a heat treatment at 500° for 30 minutes in vacuum is 0.2 ppm by mass or less. The magnet wire includes: a drawn wire material produced by using the copper wire rod; and an insulating film coating an outer periphery of the drawn wire material.
Abstract:
An electrode structure is incorporated into an implantable lead for deep brain stimulation. The electrode structure comprises multiple radial electrode elements. The radial electrode elements of the electrode structure are separated by holes (e.g., slots) and held together by end rings of the electrode structure. The electrode elements are separated from one another at a later stage of a manufacturing process through the use of centerless grinding that removes the end rings.
Abstract:
A partial-discharge-resistant insulating varnish has a polyamide-imide enamel varnish and an organo-silica sol that are dispersed in a solvent. The solvent has 50 to 100% by weight of γ-butyrolactone. An insulated wire has a conductor, and a partial-discharge-resistant insulation coating film formed on the surface of the conductor. The partial-discharge-resistant insulation coating film is made of the partial-discharge-resistant insulating varnish.
Abstract:
Example embodiments relate to a stacking structure having a material layer formed on a graphene layer, and a method of forming the material layer on the graphene layer. In the stacking structure, when the material layer is formed on the graphene layer by using an ALD method, an intermediate layer as a seed layer may be formed on the graphene layer by using a linear type precursor.
Abstract:
A high-frequency signal line includes a linear signal line and a first ground conductor provided at a dielectric body to extend along the dielectric body. The first ground conductor includes a first main surface and a second main surface opposed to each other in a direction of lamination. A strip-shaped protrusion extending along the signal line is provided on the second main surface of the first ground conductor.