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:
Aug. 26, 2008
Filed:
Nov. 27, 2006
Naoya Mori, Omihachiman, JP;
Yoichi Moriya, Omihachiman, JP;
Jun Urakawa, Omihachiman, JP;
Yasutaka Sugimoto, Kyoto, JP;
Naoya Mori, Omihachiman, JP;
Yoichi Moriya, Omihachiman, JP;
Jun Urakawa, Omihachiman, JP;
Yasutaka Sugimoto, Kyoto, JP;
Abstract
A glass ceramic composition for glass ceramic layers laminated in multilayer ceramic substrate included in multilayer ceramic module is provided. The glass ceramic composition contains a first ceramic powder mainly composed of forsterite, a second ceramic powder mainly composed of at least one material selected from CaTiO, SrTiOand TiO, and a borosilicate glass powder containing LiO, MgO, BO, SiO, ZnO and possibly AlO. The content of the borosilicate glass powder is about 3 percent by weight or more. The borosilicate glass powder further contains at least one additive selected from the group consisting of CaO, BaO and SrO.