Patent classifications
H01B3/10
Non-halogen flame-retardant insulated electric wire and non-halogen flame-retardant cable
A non-halogen flame-retardant insulated electric wire includes a conductor and a crosslinked single-layer or a multilayer insulating layer on an outer periphery of the conductor. The insulating layer has a tensile elastic modulus of 500 MPa or more and an elongation at break of 120% or less in a tensile test performed at a displacement rate of 200 mm/min, and has a storage elastic modulus at 125° C. of 3×10.sup.6 Pa or more in a dynamic viscoelasticity test.
Non-halogen flame-retardant insulated electric wire and non-halogen flame-retardant cable
A non-halogen flame-retardant insulated electric wire includes a conductor and a crosslinked single-layer or a multilayer insulating layer on an outer periphery of the conductor. The insulating layer has a tensile elastic modulus of 500 MPa or more and an elongation at break of 120% or less in a tensile test performed at a displacement rate of 200 mm/min, and has a storage elastic modulus at 125° C. of 3×10.sup.6 Pa or more in a dynamic viscoelasticity test.
Thick film resistors having customizable resistances and methods of manufacture
A method includes blending a dielectric material including a titanate with a carbon-based ink to form a modified carbon-based ink. The method also includes printing the modified carbon-based ink onto a structure. The method further includes curing the printed modified carbon-based ink on the structure at a temperature that does not exceed about 250° C. In addition, the method includes processing the cured printed modified carbon-based ink to form a thick film resistor. Blending the dielectric material with the carbon-based ink causes the modified carbon-based ink to have a resistivity that is at least double a resistivity of the carbon-based ink.
Thick film resistors having customizable resistances and methods of manufacture
A method includes blending a dielectric material including a titanate with a carbon-based ink to form a modified carbon-based ink. The method also includes printing the modified carbon-based ink onto a structure. The method further includes curing the printed modified carbon-based ink on the structure at a temperature that does not exceed about 250° C. In addition, the method includes processing the cured printed modified carbon-based ink to form a thick film resistor. Blending the dielectric material with the carbon-based ink causes the modified carbon-based ink to have a resistivity that is at least double a resistivity of the carbon-based ink.
Medium-voltage or high-voltage electrical device having low-thickness hybrid insulation
A medium-voltage or high-voltage electrical device comprising a sealed enclosure in which are located electrical components covered with a solid dielectric layer and a gaseous medium ensuring electrical insulation and/or extinguishing electrical arcs, the gaseous medium comprising heptafluoroisobutyronitrile and a dilution gas, the thickness of the solid dielectric layer being less than 1 mm and being produced from a material comprising a polyepoxide or polyurethane resin optionally containing a filler or aluminum oxide.
Transparent semiconductor, light control body, and electronic device
A transparent conductor including a transparent substrate, a first dielectric layer, a metal layer containing silver or a silver alloy as a primary component, a second dielectric layer composed of a semiconductor, and a third dielectric layer of which electrical conductivity is different from that of the second dielectric layer in the order presented, wherein the third dielectric layer-is composed of a conductor.
Polymer-coated wires
The present disclosure provides insulated electrical conductors, e.g., wires, and methods for producing such insulated electrical conductors to combat partial discharge by enhancing bond strength between the electrical conductor and a base insulating thermoplastic layer (e.g., including a PAEK). Such insulated electrical conductors can include: an electrical conductor; an insulating coating on at least a portion of a surface of the electrical conductor; and an oxide layer between the electrical conductor and the insulating coating. Methods for producing such insulated electrical conductors can involve extrusion of an insulating polymer onto the electrical conductor under ambient atmosphere and a subsequent heat treatment step, which can also be conducted under ambient atmosphere.
FIRE RESISTANT CABLE
A fire resistant cable, the cable includes an electrical conductor surrounded by an insulation layer. The insulation layer is a composite material including ceramic particles embedded in a polymer matrix. The ceramic particles and polymers are chosen such that the ceramic particles start to sinter together at a temperature lower than the complete decomposition of the polymer chains. When the cable is exposed to heat and flame the polymer degrades, the ceramic particles sinter together and the insulation layer becomes a continuous sintered ceramic layer that both insulates and supports the conductor for improved circuit integrity.
Coated overhead conductors and methods
A coated overhead conductor having an assembly including one or more conductive wires, such that the assembly includes an outer surface coated with an electrochemical deposition coating forming an outer layer, wherein the electrochemical deposition coating includes a first metal oxide, such that the first metal oxide is not aluminum oxide. Methods for making the overhead conductor are also provided.
DIELECTRIC COMPOSITION AND MULTILAYER ELECTRONIC COMPONENT INCLUDING THE SAME
A dielectric composition includes one of BaTiO.sub.3, (Ba, Ca) (Ti, Ca)O.sub.3, (Ba, Ca) (Ti, Zr)O.sub.3, Ba(Ti, Zr)O.sub.3 and (Ba,Ca) (Ti,Sn)O.sub.3, as a main component, a first subcomponent including a rare earth element, and a second subcomponent including at least one of a variable valence acceptor element and a fixed valence acceptor element. When a sum of contents of the rare earth element is defined as DT and a sum of contents of the variable valence acceptor element and the fixed valence acceptor element is defined as AT, (DT/AT)/(Ba+Ca) satisfies more than 0.5 and less than 6.0. In addition, a multilayer electronic component including the dielectric composition is provided.