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:
Nov. 23, 1976
Filed:
Feb. 04, 1975
Applicant:
Inventors:
Yoshiharu Inaba, Kodaira, JA;
Toru Kawanobe, Kodaira, JA;
Assignee:
Hitachi, Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427377 ; 427 89 ; 427 92 ; 427 98 ; 427437 ; 106-1 ; 4273 / ;
Abstract
Gold is directly plated onto tungsten or molybdenum by an electroless plating process using a plating solution including a gold compound and having pH not less than 8, and desirably not less than 9.