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. 01, 2013
Filed:
Sep. 06, 2011
Tatsuya Ishii, Tokyo, JP;
Takeo Tsukada, Tokyo, JP;
Hidesada Natsui, Tokyo, JP;
Kenichiro Masuda, Tokyo, JP;
Shigekazu Hidaka, Tokyo, JP;
Tatsuya Ishii, Tokyo, JP;
Takeo Tsukada, Tokyo, JP;
Hidesada Natsui, Tokyo, JP;
Kenichiro Masuda, Tokyo, JP;
Shigekazu Hidaka, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
To provide a hexagonal type barium titanate powder having a fine and uniform particle size and contributing to a thinner dielectric layer. A hexagonal type barium titanate powder according to the present invention has the following characteristics that a maximum particle diameter is 1.0 μm or less, a ratio of 90% accumulated particle diameter and 50% accumulated particle diameter is 3.0 or less, and a hexagonal ratio is 50% or more.