Title:
BARIUM TITANATE BASED SEMICONDUCTOR PORCELAIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2004/110952
Kind Code:
A1
Abstract:
A semiconductor porcelain composition containing barium titanate as a main component which further comprises, relative to 100 moles of barium titanate, 0.05 to 0.20 moles of calcium titanate, 20 to 30 moles of strontium titanate, 0.05 to 0.15 moles of a manganese oxide and 2.5 to 3.5 moles of a silicon oxide, and still further comprises 0.25 to 0.30 moles of an oxide of a rare earth element as an agent for converting the composition to a semiconductor.
Inventors:
SAKAI HIDEKI (JP)
TOKITA KOJI (JP)
TOKITA KOJI (JP)
Application Number:
PCT/JP2004/007481
Publication Date:
December 23, 2004
Filing Date:
May 31, 2004
Export Citation:
Assignee:
TOHO TITANIUM CO LTD (JP)
SAKAI HIDEKI (JP)
TOKITA KOJI (JP)
SAKAI HIDEKI (JP)
TOKITA KOJI (JP)
International Classes:
C04B35/46; C04B35/468; H01B3/12; H01C7/02; H01C17/065; H01G4/12; H01L21/316; (IPC1-7): C04B35/468; H01C7/02
Foreign References:
| JPH1070009A | 1998-03-10 | |||
| JPH04170361A | 1992-06-18 | |||
| JPH11139870A | 1999-05-25 | |||
| JPH0354165A | 1991-03-08 | |||
| JPH11176608A | 1999-07-02 | |||
| JPH06151106A | 1994-05-31 |
Attorney, Agent or Firm:
Suenari, Mikio (6-13 Kyobashi1-chom, Chuo-ku Tokyo 31, JP)
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