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.

Date of Patent:
Sep. 22, 2020

Filed:

Feb. 02, 2018
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Shusaku Umemoto, Tokyo, JP;

Takashi Suzuki, Tokyo, JP;

Hidekazu Sato, Tokyo, JP;

Masaki Takahashi, Tokyo, JP;

Shinichi Kondo, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/29 (2006.01); C03C 14/00 (2006.01); C03C 10/00 (2006.01); C03C 3/093 (2006.01); C03C 4/16 (2006.01); H01F 27/32 (2006.01);
U.S. Cl.
CPC ...
C03C 14/004 (2013.01); C03C 3/093 (2013.01); C03C 4/16 (2013.01); C03C 10/0054 (2013.01); H01F 27/29 (2013.01); C03C 2214/04 (2013.01); C03C 2214/20 (2013.01); H01F 27/323 (2013.01);
Abstract

Provided is a glass ceramics sintered body including a glass phase and a ceramics phase dispersed in the glass phase, in which the ceramics phase includes alumina grains and zirconia grains, the glass phase includes an MO—AlO—SiO—BObased glass, in which 'M' is an alkaline earth metal, and an area ratio of the alumina grains is 0.05 to 12% and the area ratio of the zirconia grains is 0.05 to 6% on the cross section of the sintered body. According to the invention, a glass ceramics sintered body, capable of a low temperature sintering having a low dielectric constant and a sufficient strength, and a coil electronic component using thereof can be provided.


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