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. 11, 2008
Filed:
Dec. 08, 2004
Applicants:
Hideyuki Arikawa, Mito, JP;
Akira Mebata, Kitaibaraki, JP;
Yoshitaka Kojima, Hitachi, JP;
Kunihiro Ichikawa, Hitachinaka, JP;
Inventors:
Hideyuki Arikawa, Mito, JP;
Akira Mebata, Kitaibaraki, JP;
Yoshitaka Kojima, Hitachi, JP;
Kunihiro Ichikawa, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/14 (2006.01); B32B 5/18 (2006.01); B32B 15/04 (2006.01); B32B 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermal barrier coating comprises a bond coatingmade of high temperature corrosion resistance superior to a substrateand a thermal barrier coatingmade of ZrO2 series ceramics formed on the bond coating. The thermal barrier coating has cracks extending in the direction of the thickness of the barrier coat. Substantially all of the tips of the cracks have a distance between the tips and the boundary at the substrate side.