Proposed mounting scheme for optical element of instrumentation window in pressure vessel ensures truly hermetic seal while minimizing transmission of stress to optical element. Brazed metal seal superior to conventional gaskets of elastomer, carbon, asbestos, or other material compressed between optical element and wall of vessel. Concentric brazed joints in proposed seal bond metal ring to wall of vessel and to optical element. U-shaped cross section allows ring to flex under pressure.
Hermetic Glass-To-Metal Seal For Instrumentation Window
NASA Tech Briefs ; 16 , 7
01.07.1992
Sonstige
Keine Angabe
Englisch
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