Method and means for co-sintering ceramic/metal MLC substrates

Details Method and means for co-sintering ceramic/metal MLC substrates Method and means for co-sintering ceramic/metal MLC substrates

1986-05-02

1992-07-14

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

156 89, 432258, 432259, 264 57, 264 61, 264 63, C04B 3564

Patent

active

051300672

ABSTRACT:
A method for co-sintering ceramic/metal multi-layered ceramic substrates wherein X-Y shrinkage is controlled and X-Y distortion and Z-direction chamber are substantially eliminated. Binder-burnoff is substantially not aggravated during this process as well. The process is accomplished by applying selective forces to the surfaces of the ceramic substrates to control lateral movement while allowing Z direction shrinkage movement. Frictional force means, pneumatic forced means and weights are among the means used to supply forces. Cerium oxide is used in certain embodiments to enhance binder-burnoff.

REFERENCES:
patent: 3310392 (1967-03-01), Rhodes et al.
patent: 3436451 (1969-04-01), Wasser
patent: 3897509 (1975-04-01), Elderbaum
patent: 4009238 (1977-02-01), Niedermeier et al.
patent: 4259061 (1981-03-01), Dubetsky et al.
patent: 4340436 (1982-07-01), Dubetsky et al.
Brownlow et al., IBM TDB, vol. 23, No. 5, Oct. 1980, pp. 1885-1886, "Method for Reduction of Shrinkage Distortion in Ceramic Substrates".

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