Rare-earth sintered body and manufacturing method

Details Rare-earth sintered body and manufacturing method Rare-earth sintered body and manufacturing method

2006-07-17

2008-10-14

Group, Karl E (Department: 1793)

Compositions: ceramic

Ceramic compositions

Yttrium, lanthanide, actinide, or transactinide containing

Reexamination Certificate

active

07435698

ABSTRACT:
The object of the present invention is to provide a rare-earth oxide sintered body having low sintering temperature and high density. A boron compound is added at a ratio of 0.06 mol % or more and less than 25 mol % when converted into boron oxide (B2O3) to oxide powder of at least one of La, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, and Sc, the mixed powder is formed and sintered.

REFERENCES:
patent: 2006/0128547 (2006-06-01), Takada et al.
patent: 2000-239065 (2000-09-01), None
Yanagita et al., Preparation of Transparent Yttrium Oxide Ceramics by HIP Sintering “Annual Meeting of The Ceramic Society of Japan”, 2004; Mar. 22, 2004. p. 234; Published in Japan.

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