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. 21, 2006
Filed:
Jan. 12, 2005
Tooru Hisamatsu, Kanagawa, JP;
Isao Yuri, Kanagawa, JP;
Shunkichi Ueno, Aichi, JP;
Tatsuki Ohji, Aichi, JP;
Syuzo Kanzaki, Aichi, JP;
Tooru Hisamatsu, Kanagawa, JP;
Isao Yuri, Kanagawa, JP;
Shunkichi Ueno, Aichi, JP;
Tatsuki Ohji, Aichi, JP;
Syuzo Kanzaki, Aichi, JP;
Abstract
An environmental barrier coating material comprising one or more constituents selected from a group consisting of hafnia; hafnia stabilized by one or more rare-earth oxides and/or silica; zirconia-containing hafnia; and zirconia-containing hafnia stabilized by one or more rare-earth oxides and/or silica, which when formed as a coating structure for covering a substrate which has a low thermal expansion coefficient, has hafnon (HfSiO) serving as a first layer directly formed on the substrate, and hafnia with which the first layer is coated as a second layer.