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:
Apr. 17, 2012
Filed:
Feb. 25, 2005
Masashi Tsuzuki, Nagoya, JP;
Shinya Awano, Kasugai, JP;
Masashi Tsuzuki, Nagoya, JP;
Shinya Awano, Kasugai, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A composite ceramic green sheet comprising: a first sheet portion comprising a first sheet material; a second sheet portion comprising a second sheet material, said second sheet portion differing in firing behavior from said first sheet portion; and a mixed portion provided between said first and second sheet portions, comprising a mixture of said first and second sheet materials, and having a width at least twice as large as a thickness of the composite ceramic green sheet, wherein said first and second sheet portions are integrated with each other thorough said mixed portion in a spread direction.