Method of producing silicon nitride honeycomb filter

Details Method of producing silicon nitride honeycomb filter Method of producing silicon nitride honeycomb filter

2006-11-14

2006-11-14

Griffin, Steven P. (Department: 1731)

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Producing silicon nitride containing product

C264S630000, C264S647000

Reexamination Certificate

active

07135140

ABSTRACT:
A method for producing a silicon nitride honeycomb filter, which comprises heat-treating in a nitrogen atmosphere a green body comprising from 50 to 85 mass % of metal silicon particles having an average particle diameter of from 5 to 50 μm, from 5 to 30 mass % of glass hollow particles having a softening temperature of from 400 to 1000° C. and from 10 to 20 mass % of an organic binder to convert metal silicon substantially to silicon nitride.

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