发明名称 |
Rare earth garmet sintered compact |
摘要 |
A rare earth garnet sintered compact which is produced by subjecting a rare earth garnet powder such as YAG to a pre-sintering, sintering the pre-sintered product by HIP, and annealing the sintered product at 1100° C. to 1600° C. in a whole oxygen atmosphere under a whole pressure of 4.5 MPa or more, and has an average crystallite diameter of 0.9 to 9 mum, an optical loss coefficient of 0.002 cm<SUP>-1 </SUP>or less and a strain of a transmitted wave of 0.05 lambda cm<SUP>-1 </SUP>or less.
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申请公布号 |
US7253129(B2) |
申请公布日期 |
2007.08.07 |
申请号 |
US20050525162 |
申请日期 |
2005.02.22 |
申请人 |
KONOSHIMA CHEMICAL CO., LTD. |
发明人 |
TAKAGIMI YANAGITANI;HIDEKI YAGI |
分类号 |
C04B35/50;C04B35/44;C04B35/51;C04B35/64;C04B35/645 |
主分类号 |
C04B35/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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