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:
Feb. 21, 2017
Filed:
Feb. 04, 2016
Tdk Corporation, Tokyo, JP;
Shusaku Umemoto, Tokyo, JP;
Takashi Suzuki, Tokyo, JP;
Masaki Takahashi, Tokyo, JP;
Hidekazu Sato, Tokyo, JP;
Yukari Akita, Tokyo, JP;
Kazuya Tobita, Tokyo, JP;
Shinichi Kondo, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A glass ceramic composition of the present invention includes a main component composed of a first glass, a second glass, AlO, and SiO. The first glass is SiO—KO—BObased glass. The second glass is MO—SiO—AlO—BObased glass ('M' is an alkaline-earth metal) and/or CaO—SiO—AlO—ZnO—ZrO—BObased glass. In case that the total amount of the main component is 100 wt %, the main component contains the second glass of 12 to 30 wt %, the first and second glass of 40 to 56 wt % in total, and further AlOof 7 to 18 wt %.