Method for joining ceramics to ceramics or ceramics to metals, and apparatus
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United States of America Patent
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Oct 9, 2018
Grant Date -
Sep 17, 2015
app pub date -
Mar 27, 2015
filing date -
Mar 13, 2014
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Abstract
An assembly including a ceramic body. The assembly comprises a tungsten coupling attached to the ceramic body with a first joint that forms a first helium tight seal between the ceramic body and the tungsten coupling and where the first helium tight seal maintains its integrity at a temperature over 400° C. The assembly includes a metal body attached to the tungsten coupling with a second joint that forms a second helium tight seal between the metal body and the tungsten coupling and where the second helium tight seal maintains its integrity at a temperature over 400° C. A method. A mixture. A coupling.
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