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:
Apr. 30, 1991
Filed:
Sep. 25, 1989
Applicant:
Inventor:
Yuuji Omata, Ibaraki, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 384 ; 204 445 ;
Abstract
A ternary FeCoNi alloy film exhibiting a high magnetic flux density is produced by performing electrodeposition at a cathodic electrode using an electrolytic bath for electrodeposition fed with Fe, Co and Ni ions from sulfates, hydrochlorides or mixtures thereof containing respective divalent ions of Fe, Co and Ni, said bath containing a composition having ratios of divalent ion concentrations in the bath in the ranges: