Method of manufacturing ceramic translucent material

Details Method of manufacturing ceramic translucent material Method of manufacturing ceramic translucent material

1989-03-01

1990-05-08

Rowan, Kurt

Electric lamp or space discharge component or device manufacturi

Process

Combined, e.g., with shaping of lamp or device envelope

264 65, H01J 900

Patent

active

049234200

ABSTRACT:
A powder mixture of yttrium and aluminum sulfates is prepared and heated in a oxidizing atmosphere. Silicon and/or magnesium compounds are added during the powder mixture preparation, or after it is heated and the resulting garnet powder is molded into the shape of a discharge envelope. The molding is then sintered.

REFERENCES:
patent: 3711585 (1973-01-01), Muta
patent: 3792142 (1974-02-01), Kobayashi
patent: 4031177 (1977-06-01), Auriol
patent: 4166831 (1979-09-01), Rhodes
patent: 4396595 (1983-08-01), Heytmeyer
patent: 4412963 (1983-11-01), Hung
patent: 4629593 (1986-12-01), Groth
patent: 4841195 (1989-06-01), De With

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