Method for producing silicon nitride filter

Details Method for producing silicon nitride filter Method for producing silicon nitride filter

2005-02-01

2005-02-01

Fiorilla, Christopher A. (Department: 1731)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

C264S628000, C264S646000, C264S647000

Reexamination Certificate

active

06849213

ABSTRACT:
A method for producing a silicon nitride filter including heat-treating in nitrogen a green body containing from 40 to 90% of metal silicon particles having an average particle diameter of from 1 to 200 μm and from 10 to 60% of a pore-forming agent, where the total amount of the metal silicon particles and the pore-forming agent is at least 90%, forms a porous product made substantially of silicon nitride.

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XP0000055029, 6001 Chemical Abstracts 107 (1987) Dec. No. 26, Columbus, Ohio, USA, p. 290.

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