Ceramic Discharge Vessel with Expanded Reaction-Bonded Aluminum Oxide Member
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United States of America Patent
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Issued Date -
Jun 29, 2006
app pub date -
Dec 28, 2004
filing date -
Dec 28, 2004
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Abandoned
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Abstract
A ceramic discharge vessel is provided wherein the discharge vessel has a ceramic body and at least one expanded reaction-bonded aluminum oxide member hermetically sealed to the ceramic body. The method of making the discharge vessel includes (a) forming a ceramic body; (b) forming a reaction-bonded aluminum oxide member in a green state by compacting a mixture of aluminum metal and aluminum oxide powders; (c) assembling the ceramic body and the reaction-bonded aluminum oxide member in the green state to form an assembly; and (d) reaction sintering the assembly to cause the reaction-bonded aluminum oxide member to expand and form a hermetic seal with the ceramic body.
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