Yttria sintered body, ceramic member using yttria sintered...

Details Yttria sintered body, ceramic member using yttria sintered... Yttria sintered body, ceramic member using yttria sintered...

2008-05-20

2008-05-20

Group, Karl E (Department: 1793)

Compositions: ceramic

Ceramic compositions

Yttrium, lanthanide, actinide, or transactinide containing

C501S097200, C501S097400, C278S128000

Reexamination Certificate

active

07375046

ABSTRACT:
A yttria sintered body is provided which includes yttria as a principal ingredient and 5 to 40 vol. % silicon nitride, and which exhibits enhanced corrosion resistance and mechanical strength.

REFERENCES:
patent: 4883776 (1989-11-01), Pyzik et al.
patent: 2007/0042897 (2007-02-01), Aihara et al.
patent: 11-79830 (1999-03-01), None
patent: 2002-068838 (2002-03-01), None
patent: 2002-255647 (2002-09-01), None

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