Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1980-07-14
1982-07-20
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
264 58, 264 61, 264 62, 264 64, 264 65, 264 66, 427 96, B32B 3124, C03B 3200, C04B 3900
Patent
active
043404367
ABSTRACT:
The obtention of enhanced planarity and dimensional integrity of sintered glass-ceramic substrates containing multi-level distribution of conductor patterns (e.g. copper) by a two stage firing of the green sheets, first between the anneal and softening points of crystallizable glass particles, interrupting the firing, superimposing selected light weights on the substrates, and heating through the coalescing temperatures to the crystallization of the glass.
REFERENCES:
patent: 3879509 (1975-04-01), Elderbaum
patent: 4234367 (1981-11-01), Herron et al.
IBM TDB, vol. 23, No. 5, pp. 1885-1886, Oct. 1980, "Method for Reduction of Shrinkage Distortion in Ceramic Substrates", J. M. Brownlow et al.
Dubetsky Derry J.
Herron Lester W.
Master Raj N.
International Business Machines - Corporation
Powers Henry
Weston Caleb
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