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:
Jun. 17, 1997
Filed:
Jun. 26, 1995
Applicant:
Inventors:
Katsumi Kanda, Yamaguchi-ken, JP;
Junichi Fujimoto, Yamaguchi-ken, JP;
Takashi Tanaka, Yamaguchi-ken, JP;
Masashi Ichishima, Yamaguchi-ken, JP;
Yoshikazu Kondo, Yamaguchi-ken, JP;
Assignee:
Toyo Kohan Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427327 ; 205196 ; 2281801 ; 228214 ; 427334 ; 4273884 ; 427404 ; 427417 ;
Abstract
Electroplated steel sheet suitable for soldering is provided herein by coating the plated steel sheet with a post-treatment solution in the range of 0.02 to 2 .mu.m in dry thickness. The post-treatment solution contains from 2 to 100 g/l of at least one water-soluble or water-dispersed material. The post-treatment solution may further contain chromium ion, hereafter referred to as Cr.sup.6+, from 0.01 to 3 g/l, and/or organic amine soap from 10 to 100 g/l. A suitable pH value of the post-treatment solution is from 3 to 10.