The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2007
Filed:
Mar. 04, 2003
Yoshiaki Tanaka, Osaka, JP;
Yoshiaki Tanaka, Osaka, JP;
Uchihashi Estec Co., Ltd., Osaka, JP;
Abstract
The invention provides a thermal fuse and a fuse element of the low-melting fusible alloy type. The fuse element has an alloy composition in which a total of 0.01 to 7 weight parts of at least one selected from the group consisting of Au, Bi, Cu, Ni, and Pd is added to 100 weight parts of a composition of 100% In, that of 90 to 99.9% In and 0.1 to 10% Ag, or that of 95 to 99.9% In and 0.1 to 5% Sb. As a result, the operating temperature is in the range of 135 to 160° C., requests for environment conservation can be satisfied, the diameter of the fuse element can be made very thin or reduced to about 300 μmφ, and the thermal stability can be satisfactorily guaranteed.