Glass-aluminum nitride composite material

Details Glass-aluminum nitride composite material Glass-aluminum nitride composite material

1992-01-14

1993-05-25

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 96, C03C 1400, C04B 3558

Patent

active

052140059

ABSTRACT:
A glass-aluminum nitride composite comprising a sintered body is produced by adding glass powder to aluminum nitride grains having an oxygen content of less than 2% and a mean grain diameter of 1.0 .mu.m or more and subjecting the mixture to molding and sintering. A suitable glass is one based on borosilicate and the addition of an AlN whisker serves to improve the strength. The composite material of the present invention has a high heat conductivity, a low permittivity and a high strength and is suitable as a semiconductor packaging material.

REFERENCES:
patent: 3645839 (1972-02-01), Veres
patent: 4455384 (1984-06-01), Day et al.
patent: 4882212 (1989-11-01), SinghDeo et al.
patent: 4985176 (1991-01-01), Watanabe
patent: 5017434 (1991-05-01), Enloe et al.

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