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:
Mar. 21, 1978
Filed:
Dec. 28, 1976
Applicant:
Inventor:
Manabu Bonkohara, Tokyo, JA;
Assignee:
Nippon Electric Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
428620 ; 75165 ; 357 67 ;
Abstract
A fine wire made of a gold alloy for use in a semiconductor device. The alloy consists essentially of at least one control element selected from the group consisting of carbon in an amount of 1 to 25 wt. ppm., silicon in an amount of 1 to 25 wt. ppm., germanium in an amount of 3 to 30 wt. ppm., tin in an amount of 5 to 30 wt. ppm., and lead in an amount of 5 to 30 wt. ppm.; with balance gold of a purity of more than 99.995 wt.