Invention Grant
- Patent Title: Hexagonal type barium titanate powder, producing method thereof, dielectric ceramic composition and electronic component
- Patent Title (中): 六角型钛酸钡粉末，其制造方法，电介质陶瓷组合物和电子部件
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Application No.: US13226140Application Date: 2011-09-06
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Publication No.: US08545982B2Publication Date: 2013-10-01
- Inventor: Tatsuya Ishii , Takeo Tsukada , Hidesada Natsui , Kenichiro Masuda , Shigekazu Hidaka
- Applicant: Tatsuya Ishii , Takeo Tsukada , Hidesada Natsui , Kenichiro Masuda , Shigekazu Hidaka
- Applicant Address: JP Tokyo
- Assignee: TDK Corporation
- Current Assignee: TDK Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2010-215754 20100927
- Main IPC: B32B9/00
- IPC: B32B9/00 ; H01G4/06 ; C04B35/00 ; C01G23/00
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.
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