Sintered body of aluminum nitride and method for producing the s

Details Sintered body of aluminum nitride and method for producing the s Sintered body of aluminum nitride and method for producing the s

1990-09-25

1991-07-30

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501 98, 501100, C04B 3558

Patent

active

050360264

ABSTRACT:
A sintered body of aluminum nitride having a density of not smaller than 3.1 g/cm.sup.3, a coefficient of thermal conductivity of not smaller than 100 W/mk and preferably an average particle size of not larger than 5 .mu.m, which comprises aluminum nitride as a main component, 0.01 to 10.0% by weight of at least one oxide selected from oxides of the IIa and IIIa elements of the Periodic Table, 2.0% by weight or less of oxygen which is not contained in the oxide of the IIa and IIIa element and 1.0% by weight or less of at least one impurity metal which is not the IIa or IIIa element which has good thermal conductivity.

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