Process for producing aluminum nitride sintered compacts

Details Process for producing aluminum nitride sintered compacts Process for producing aluminum nitride sintered compacts

2009-08-10

2010-06-15

Group, Karl E (Department: 1793)

Compositions: ceramic

Ceramic compositions

Refractory

C501S098500

Reexamination Certificate

active

07737065

ABSTRACT:
The present invention relates to a process of producing an aluminum nitride sintered body which satisfies both high thermal conductivity and reduction in the shrinkage factor at the time of sintering. The aluminum nitride sintered body is a sintered body of a powder mixture containing an aluminum nitride powder and a sintering aid, characterized by having a thermal conductivity of at least 190 W/m·K and a shrinkage factor represented by the percentage of {(dimensions of the molded body before sintering)−(dimensions of the sintered body after sintering)}/(dimensions of the molded body before sintering) of at most 15%.

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