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:
May. 08, 2012
Filed:
Dec. 17, 2007
Applicant:
Toshio Narita, Sapporo, JP;
Inventor:
Toshio Narita, Sapporo, JP;
Assignee:
DBC System Co., Ltd., Sapporo-shi, Hokkaido, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C23C 30/00 (2006.01); C22C 19/05 (2006.01); C22C 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an alloy coating film having a diffusion barrier layer and an aluminum reservoir layer on a substrate, the diffusion barrier layer is composed of a single phase that is a Re—Cr—Ni—Al system σ phase containing Al by less than 1 atomic %, or composed of a first phase which is the Re—Cr—Ni—Al system σ phase and one or more second phases selected from a γ phase, γ' phase and β phase.