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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.:

US 9105603 B1

PDFFull Text
Expired
Date of Patent:
Aug. 11, 2015

Filed:

Mar. 28, 2014

Laminate type semiconductor ceramic capacitor with varistor functionality and method for manufacturing the same

Applicant:

Murata Manufacturing Co. Ltd., Nagaokakyo-shi, Kyoto-fu, JP;

Inventor:

Mitsutoshi Kawamoto, Nagaokakyo, JP;

Assignee:

MURATA MANUFACTURING CO., LTD., Nagaokakyo-Shi, Kyoto-Fu, JP;

Attorney:

Arent Fox LLP

Primary Examiner:

Nicholas Tobergte

Int. Cl.
CPC ...
H01L 29/94 (2006.01); H01L 27/108 (2006.01); H01L 21/20 (2006.01); H01L 49/02 (2006.01); H01G 4/30 (2006.01); H01C 7/10 (2006.01); H01C 7/18 (2006.01); H01C 17/065 (2006.01); C04B 35/47 (2006.01); C04B 35/626 (2006.01); B82Y 30/00 (2011.01); H01G 4/12 (2006.01);
U.S. Cl.
CPC ...
H01L 28/40 (2013.01); B82Y 30/00 (2013.01); C04B 35/47 (2013.01); C04B 35/62685 (2013.01); H01C 7/1006 (2013.01); H01C 7/18 (2013.01); H01C 17/06533 (2013.01); H01G 4/1227 (2013.01); H01G 4/30 (2013.01); H01L 28/82 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3227 (2013.01); C04B 2235/3241 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3251 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/3267 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/441 (2013.01); C04B 2235/5409 (2013.01); C04B 2235/5454 (2013.01); C04B 2235/6582 (2013.01); C04B 2235/785 (2013.01); C04B 2235/786 (2013.01); C04B 2235/79 (2013.01); C04B 2235/85 (2013.01); H01G 4/12 (2013.01);
Abstract

A semiconductor ceramic having a compounding molar ratio m between a Sr site and a Ti site that satisfies 1.000 ≦m≦1.020, has a donor element present as a solid solution in crystal grains, has an acceptor element present in a grain boundary layer in the range of 0.5 mol or less with respect to 100 mol of the Ti element, contains a Zr element in the range of 0.15 mol or more and 3.0 mol or less with respect to 100 mol of the Ti element, and has the crystal grains of 1.5 μm or less in average grain size.

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Kawamoto, Mitsutoshi. (2015). Laminate type semiconductor ceramic capacitor with varistor functionality and method for manufacturing the same (U.S. Patent No. 9105603). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9105603

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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