Translucent polycrystalline alumina and method of making same

Details Translucent polycrystalline alumina and method of making same Translucent polycrystalline alumina and method of making same

1996-07-29

1997-05-20

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Yttrium, lanthanide, actinide, or transactinide containing

501153, 313493, 313636, H01J 6130, H01J 1718, C04B 35115

Patent

active

056312016

ABSTRACT:
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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