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:
Jul. 04, 2017

Filed:

Feb. 06, 2015
Applicant:

Murata Manufacturing Co., Ltd., Kyoto, JP;

Inventors:

Takayuki Tsukizawa, Kyoto, JP;

Jun Adachi, Kyoto, JP;

Takayuki Imada, Kyoto, JP;

Takahiro Sumi, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/60 (2006.01); H01T 1/22 (2006.01); H01T 4/10 (2006.01); H05K 1/02 (2006.01); H01B 1/14 (2006.01); H05F 3/04 (2006.01); H01B 1/16 (2006.01); H01B 1/18 (2006.01); H05K 3/46 (2006.01); H01L 23/498 (2006.01);
U.S. Cl.
CPC ...
H01L 23/60 (2013.01); H01B 1/14 (2013.01); H01B 1/16 (2013.01); H01B 1/18 (2013.01); H01T 1/22 (2013.01); H01T 4/10 (2013.01); H05F 3/04 (2013.01); H05K 1/026 (2013.01); H01L 23/49827 (2013.01); H01L 23/49866 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48227 (2013.01); H01L 2924/0002 (2013.01); H05K 3/4697 (2013.01); H05K 2201/0919 (2013.01); H05K 2201/09063 (2013.01);
Abstract

An ESD protection devicehas a ceramic insulating materialfirst and second discharge electrodesandand a discharge-assisting sectionThe first and second discharge electrodesandare disposed somewhere of the ceramic insulating materialThe discharge-assisting sectionis located between the distal end portion of the first discharge electrodeand the distal end portion of the second discharge electrodeThe discharge-assisting sectionis an electrode configured to reduce the discharge starting voltage between the first discharge electrodeand the second discharge electrodeThe discharge-assisting sectionis made from a sintered body containing conductive particles and at least one of semiconductor particles and insulating particles. The first and second discharge electrodes contain at least one of the semiconductor material constituting the semiconductor particles and the insulating material constituting the insulating particles.


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