Patent ID: 6163244
Filing Date: 2000-12-19
Classification: H01H,Y10T

Abstract:
A fuse element comprising:a pair of terminals made of a first metal, said pair of terminals having a first thickness;a thin wall portion extending from each of the terminals, said thin wall portions made of the first metal and having a second thickness which is thinner than said first thickness;a low-melting-point metal portion made of a second metal and fusion-bonded to said thin wall portions, said second metal made of a metal whose melting point is lower than that of said first metal, said low-melting-point metal portion having said second thickness so that said thin wall portions and said low-melting-point metal portion have a constant cross-sectional thickness and, wherein said thin-walled portions are connected together by said low-melting-point metal portion; andwherein said low-melting-point metal portion has a small sectional area portion having a sectional area that is smaller than that of any one of both end portions of said low-melting-point metal portion.