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:
Oct. 18, 2011
Filed:
Mar. 04, 2009
Masato Yamazaki, Komaki, JP;
Hideaki Hiramitsu, Gifu, JP;
Manabu Horiguchi, Ise, JP;
Yukihiro Hamaguchi, Ise, JP;
Katsuya Yamagiwa, Komaki, JP;
Takeshi Mitsuoka, Konan, JP;
Kazushige Ohbayashi, Nagoya, JP;
Ryotaro Tawara, Ise, JP;
Tomohiro Hirata, Konan, JP;
Masato Yamazaki, Komaki, JP;
Hideaki Hiramitsu, Gifu, JP;
Manabu Horiguchi, Ise, JP;
Yukihiro Hamaguchi, Ise, JP;
Katsuya Yamagiwa, Komaki, JP;
Takeshi Mitsuoka, Konan, JP;
Kazushige Ohbayashi, Nagoya, JP;
Ryotaro Tawara, Ise, JP;
Tomohiro Hirata, Konan, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A piezoceramic material according to an embodiment of the present invention has a composition represented by Pb{ZrTiSn(SbNb)}Owhere 1.000≦m≦1.075, 0.470≦x<0.490, 0.020≦y≦0.040, 0<n<1.000 and 0<z≦0.025 and a crystallite size of 30 to 39 nm.