Sintered body of aluminum nitride

Details Sintered body of aluminum nitride Sintered body of aluminum nitride

1992-01-17

1993-11-23

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 98, C04B 3558

Patent

active

052643883

ABSTRACT:
The present invention provides a sintered body of aluminum nitride comprising (i) aluminum nitride as a main component and (ii) at least one component selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W, Fe, Co, Ni, Nd, Ho, Ti, and compounds thereof in the total amounts of not greater than 1.0 wt. % and not less than 0.01 wt. % in terms of elements on the basis of sintered body, the sintered body being colored and having a thermal conductivity of at least 150 W/mK. The sintered body is useful for the preparation of circuit boards having printed circuits thereon and highly heat-releasing ceramic packages for semiconductive devices.

REFERENCES:
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patent: 4833108 (1989-05-01), Mizuno et al.
patent: 4835065 (1989-05-01), Sato et al.
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patent: 4883780 (1989-11-01), Kasori et al.
patent: 4997798 (1991-03-01), Okuno et al.
patent: 5063183 (1991-11-01), Taniguchi et al.
patent: 5077245 (1991-12-01), Miyanara
Chemical Abstracts, vol. 109, No. 6, Aug. 1988, p. 307 abstract No. 42581q., Columbus, Ohio, U.S.; & JP-A-6389463.

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