EP0166073A2
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EP
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Aluminum nitride sintered body
Assignee: Toshiba Corp
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Filing: 1985-02-05
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Granted: —
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Expires: 2005-02-05
Abstract
Abstract An aluminum nitride sintered body prepared by a process comprising adding to a principal component of aluminum nitride an additional component of at least one of fluorides of alkaline earth metals selected from the group consisting of calcium (Ca), strontium (Sr) and barium (ba) or at least one of fluorides of rare earth elements added in an amount of 0.01 to 20% by weight, followed by sintering.
Inventors
- 👤 Mituo Kasori
- 👤 Kazuo Shinozaki
- 👤 Kazuo Anzai
- 👤 Takeshi Takano
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 22:44
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/581
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
An aluminum nitride sintered body prepared by a process comprising adding to a principal component of aluminum nitride an additional component comprising at least one of fluorides of alkaline earth metals selected from the group consisting of calcium, strontium and barium or at least one of fluorides of rare earth elements in an amount of 0.01 to 20 % by weight based on the total amount of said components, followed by sintering.
Claim 2
Dependent Claim
72 words
An aluminum nitride sintered body prepared by a process comprising adding to a principal component of aluminum nitride an additional component comprising at least one of fluorides of alkaline earth metals selected from the group consisting of calcium, strontium and barium or at least one of fluorides of rare earth elements in an amount of 0.01 to 20 % by weight based on the total amount of said components, followed by sintering.
Claim 3
Dependent Claim
16 words
The aluminum nitride sintered body according to Claim 1, wherein said additional component is calcium fluoride.
Claim 4
Dependent Claim
16 words
The aluminum nitride sintered body according to Claim 1, wherein said additional component is yttrium fluoride.
References Cited (Backward Citations)
No citation records indexed.
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