A rivet-type contact of the present invention has a head part made of a contact material, and a leg part narrower than the head part in width and configured to be deformed at fixation. The leg part includes a flange part larger than the leg part in diameter, in an end part of the side of the head part, the flange part is embedded in the head part such that a lower end surface of the flange part and a lower end surface of the head part become approximately flat, and a length (l) between an endmost part of the flange part and a starting point of the leg part satisfies l<L with respect to a length (L) between an endmost part of the head part and the starting point of the leg part. Specifically, it is favorable that l satisfies 0.5Ll0.9L with respect to L.

A rivet-type contact of the present invention has a head part made of a contact material, and a leg part narrower than the head part in width and configured to be deformed at fixation. The leg part includes a flange part larger than the leg part in diameter, in an end part of the side of the head part, the flange part is embedded in the head part such that a lower end surface of the flange part and a lower end surface of the head part become approximately flat, and a length (l) between an endmost part of the flange part and a starting point of the leg part satisfies l<L with respect to a length (L) between an endmost part of the head part and the starting point of the leg part. Specifically, it is favorable that l satisfies 0.5Ll0.9L with respect to L.

An embodiment of the invention relates to a contact pin for an electric switch. The contact pin is designed as a composite support.

A method for patterning an amorphous alloy is provided. The method includes forming a pattern for defining an amorphous alloy deposition region on a parent material, forming an amorphous alloy deposition layer on the parent material with the pattern formed thereon, and etching a region except for the amorphous alloy deposition region. A dome switch is provided. The dome switch includes a metal layer shaped like a dome, a central portion of which protrudes, and, in response to external force being received through the protruding central portion, the central portion contacting and electrically connected to a circuit board, and an amorphous alloy layer disposed on the metal layer. Accordingly, an amorphous alloy structure with enhanced durability and reliability is easily manufactured.

A method for patterning an amorphous alloy is provided. The method includes forming a pattern for defining an amorphous alloy deposition region on a parent material, forming an amorphous alloy deposition layer on the parent material with the pattern formed thereon, and etching a region except for the amorphous alloy deposition region. A dome switch is provided. The dome switch includes a metal layer shaped like a dome, a central portion of which protrudes, and, in response to external force being received through the protruding central portion, the central portion contacting and electrically connected to a circuit board, and an amorphous alloy layer disposed on the metal layer. Accordingly, an amorphous alloy structure with enhanced durability and reliability is easily manufactured.

A contact assembly for an electrical device and a method for making such an assembly are presented. The contact assembly comprises a substrate and a contact material disposed on the substrate. The contact material comprises a composite material comprising a refractory material and a matrix material. The matrix material has a higher ductility than the refractory material. The composite material further comprises a core region and an outer region bounding the core region, the core region having a higher concentration of the refractory material than the outer region. The method applies cold spraying a blended feedstock to produce a layer that includes the composite material described above.

A contact assembly for an electrical device and a method for making such an assembly are presented. The contact assembly comprises a substrate and a contact material disposed on the substrate. The contact material comprises a composite material comprising a refractory material and a matrix material. The matrix material has a higher ductility than the refractory material. The composite material further comprises a core region and an outer region bounding the core region, the core region having a higher concentration of the refractory material than the outer region. The method applies cold spraying a blended feedstock to produce a layer that includes the composite material described above.

An elastically-deformable, conductive composite using elastomers and conductive fibers and simple fabrication procedures is provided. Conductive elastomeric composites offer low resistance to electrical current and are elastic over large (>25%) extensional strains. They can be easily interfaced/built into structures fabricated from elastomeric polymers.

An elastically-deformable, conductive composite using elastomers and conductive fibers and simple fabrication procedures is provided. Conductive elastomeric composites offer low resistance to electrical current and are elastic over large (>25%) extensional strains. They can be easily interfaced/built into structures fabricated from elastomeric polymers.

A method for producing an electrical contact includes a step of preparing an electrical contact material including a layer that contains a carbon material on a base material that contains a metallic material having resistivity of 1.5910.sup.8 m to 9.0010.sup.7 m; and a step of processing the electrical contact material obtained to produce an electrical contact, wherein the carbon material is a graphene monolayer or a graphene laminate in which a plurality of the graphene monolayers is laminated, the step of preparing an electrical contact material includes a step of laminating a carbon material layer in which the layer that contains the carbon material is laminated on the base material by microwave surface-wave plasma CVD method or thermal CVD method, and the step of laminating a carbon material layer includes supplying a mixed gas including a source gas that contains carbon and hydrogen gas.