Boron nitride sheets

Details Boron nitride sheets Boron nitride sheets

1990-03-22

1991-07-02

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524586, 1062873, 501 96, C08K 338

Patent

active

050286501

ABSTRACT:
Boron nitride green sheets are made of boron nitride powder in an organic binder which leaves no undesirable residue upon pyrolysis in the absence of oxygen. These boron nitride green sheets can be placed on each side of the ceramic green sheet to form a composite for hot pressing ceramic green sheets containing ceramic powder to produce dense ceramic sheets suitable for electronic substrates.

REFERENCES:
patent: 3189978 (1965-06-01), Stetson
patent: 3261800 (1966-07-01), Collins
patent: 3755204 (1973-08-01), Sergeys
patent: 4144207 (1979-03-01), Ehnsong
patent: 4518716 (1985-05-01), John
patent: 4518736 (1985-05-01), Jahn
patent: 4542072 (1985-09-01), Hsieh
patent: 4571414 (1986-02-01), Renlund et al.

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