Aluminum nitride sintered body

Details Aluminum nitride sintered body Aluminum nitride sintered body

2007-12-11

2007-12-11

Zimmerman, John J. (Department: 1775)

Stock material or miscellaneous articles

Composite

Of inorganic material

C219S444100, C219S546000

Reexamination Certificate

active

11198009

ABSTRACT:
In an aluminum nitride sintered body, the bismuth and chlorine contents are restricted to be no more than fixed amounts. More specifically, in an aluminum nitride sintered body having aluminum nitride as its main component, the bismuth content in the aluminum nitride sintered body is no more than 30 ppm and the chlorine content is no more than 100 ppm. It would be preferable to form a resistance heating body on the aluminum nitride sintered body, and it would be preferable for the aluminum nitride sintered body to be used as a semiconductor heating part.

REFERENCES:
patent: 5677052 (1997-10-01), Shimoda et al.
patent: 5955148 (1999-09-01), Shimoda et al.
patent: 6174614 (2001-01-01), Yushio et al.
patent: 6387551 (2002-05-01), Nishioka et al.
patent: 11-074064 (1999-03-01), None

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