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.

Date of Patent:
Nov. 09, 2004

Filed:

Aug. 01, 2002
Applicant:
Inventors:

Kyoko Fujimoto, Chiba, JP;

Makoto Shimura, Chiba, JP;

Yoichi Tobiyama, Chiba, JP;

Kazuaki Kyono, Kurashiki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 2/112 ; C25D 5/00 ;
U.S. Cl.
CPC ...
C25D 2/112 ; C25D 5/00 ;
Abstract

A method for determining a quantity of each of alloy phases in the plating layer includes subjecting each alloy phase in the plating layer to constant potential electrolysis in each of a plurality of ranges of potentials obtained on the basis of the immersion potential of each alloy phase and the immersion potential of a basis metal, by using a plated metal material having different kinds of alloy phases in the plating layer as the anode, to determine the quantity of each alloy phase in the plating layer on the basis of the quantity of electricity consumed in each range of the potentials during the electrolysis.


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