Aluminum nitride sintered body, ceramic substrate, ceramic...

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Reexamination Certificate

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C428S336000, C428S325000, C428S702000, C219S544000, C219S546000, C219S548000, C219S553000

Reexamination Certificate

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06929874

ABSTRACT:
The object of the present invention is to provide an aluminum nitride sintered body which has excellent mechanical strength and in which ceramic particles is prevented from coming off from the surface and/or side thereof and generation of free particles is suppressed. The aluminum nitride sintered body of the present invention is wherein it contains sulfur.

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