Sealing glass for matched sealing of copper and copper alloys

Details Sealing glass for matched sealing of copper and copper alloys Sealing glass for matched sealing of copper and copper alloys

1988-03-17

1990-08-28

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 60, 501 61, 501 62, 501 63, 501 65, 501 66, 501 72, C03C 3085, C03C 3105, C03C 3091, C03C 3108

Patent

active

049525310

ABSTRACT:
The present invention relates to a glass for making glass to metal seals. The coefficient of thermal expansion of the glass is in excess of 160.times.10.sup.-7 in/in/.degree.C. making the glass particularly useful for sealing copper and copper based alloys. The glass has particular utility in the manufacture of electronic packages and multi-layer circuitry.

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