Method for fabrication of a carrier body of aluminum nitride

Details Method for fabrication of a carrier body of aluminum nitride Method for fabrication of a carrier body of aluminum nitride

1990-04-12

1994-01-04

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 61, 264113, 264332, C04B 3510, C04B 3558

Patent

active

052757706

ABSTRACT:
Aluminum nitride powder (28), possibly powdered glass (29) and aluminum oxide powder (23) are introduced into the molding cavity of a pressure matrix (26) for fabrication of a carrier body from aluminum nitride, whose surface is at least partially covered with aluminum oxide. Subsequently a pressure stamp (22) of the pressure tool (20) is introduced into the molded cavity of the pressure matrix (26). The powdered layers (28, 29, 30) are compressed and subsequently sintered, for instance for two hours at 1600.degree. C. in a neutral atmosphere.

REFERENCES:
patent: 2949704 (1960-08-01), Jacobs
patent: 3184370 (1965-05-01), Luks
patent: 4129243 (1978-12-01), Cusano et al.
patent: 4203733 (1980-05-01), Tanaka

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