发明名称 |
Translucent polycrystalline alumina and method of making same |
摘要 |
An optically translucent polycrystalline alumina sintered body consists essentially of alumina, magnesia, terbia and, optionally, yttria. The magnesia is present in an amount of about 0.020 wgt. percent and the terbia is present in an amount of from about 0.005 to 0.060 wgt. percent. The yttria is present in an amount up to about 0.035 wgt. percent.
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申请公布号 |
US5747402(A) |
申请公布日期 |
1998.05.05 |
申请号 |
US19970792472 |
申请日期 |
1997.01.31 |
申请人 |
OSRAM SYLVANIA INC. |
发明人 |
WEI, GEORGE;HECKER, ARLENE;GOODMAN, DAVID |
分类号 |
C04B35/10;C04B35/115;H01J61/30;H01J61/82;(IPC1-7):H01J61/30;H01J17/18 |
主分类号 |
C04B35/10 |
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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