Patent Number: 6,528,860

Title: Resistor with resistance alloy plate having roughened interface surface

Abstract: A high-accuracy current detecting resistor is provided whose resistance does not change greatly according to temperature change and which has an excellent dielectric strength. In a resistor in which an electrical resistance alloy plate and a radiating metallic plate are laminated via a resin insulating layer, the electrical resistance alloy plate is formed of an alloy containing nickel and copper and is adhered to the resin insulating layer by etching a grain boundary of the alloy in the form of a concave.

Inventors: Okamoto; Kenji (Kanagawa, JP), Imamura; Kazuhiko (Mie, JP), Matsumoto; Mayumi (Tokyo, JP), Saito; Yuzo (Tokyo, JP), Fujiki; Jun (Fukui, JP)

Assignee: Fuji Electric Co., Ltd.

International Classification: H01C 7/06 (20060101); H01C 17/22 (20060101); H01C 17/06 (20060101); H01C 17/24 (20060101); H05B 3/12 (20060101); H01C 001/08 (); H01L 029/00 ()

Expiration Date: 03/04/2020