Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1979-11-06
1981-07-21
McCarthy, Helen M.
Compositions
Electrically conductive or emissive compositions
Metal compound containing
106 47R, C03C 316, C03C 312, H01B 108
Patent
active
042797853
ABSTRACT:
A low melting point glass for semiconductor device encapsulation. The glass is based on the lead oxide/phosphorus pentoxide/vanadium pentoxide system and has a thermal coefficient of expansion similar to that of a copper alloy lead frame. The glass is applied to a device as a frit which is then heat fused.
REFERENCES:
patent: 3278317 (1966-10-01), Blair et al.
patent: 3518209 (1970-06-01), Provance
patent: 3520831 (1970-07-01), Trap et al.
patent: 3885974 (1975-05-01), Asahara et al.
Hackh's Chemical Dictionary-4th edition-pub. McGraw-Hill Co. NY p. 141 "Cellosolve".
Ansell Martin P.
Rosser William J. N.
Stewart Clive E. E.
IT&T Industries, Inc.
McCarthy Helen M.
O'Halloran John T.
Quinlan David M.
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