C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/1, 356/143,
C04B 35/58 (2006.01) C04B 35/581 (2006.01) H01L 23/057 (2006.01) H01L 23/14 (2006.01) H01L 23/15 (2006.01) H05K 1/03 (2006.01)
Patent
CA 1336334
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 and Ho 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.
599860
Miyake Masaya
Sakanoue Hitoyuki
Sogabe Koichi
Yamakawa Akira
Goudreau Gage Dubuc
Miyake Masaya
Sakanoue Hitoyuki
Sogabe Koichi
Sumitomo Electric Industries Ltd.
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