Heating – Processes of heating or heater operation – Including melting – vaporizing – sintering – expanding...
Patent
1979-12-07
1981-03-31
Camby, John J.
Heating
Processes of heating or heater operation
Including melting, vaporizing, sintering, expanding...
432258, 432265, F27B 1400, F27D 500
Patent
active
042590612
ABSTRACT:
A method of achieving uniform shrinkage of a laminated green ceramic substrate during sintering wherein the substrate is placed on a flat, relatively thick plate of refractory material such as molybdenum, tantalum or tungsten or alloys thereof with the flat plate provided with a thin surface coating layer of a ceramic material, and heating the substrate to a sintering temperature and maintaining the temperature for a time sufficient to sinter the substrate.
A setter plate for supporting a planar green ceramic substrate during the sintering operation, the setter plate is made of a refractory material and provided with a thin ceramic coating at least on the top surface.
REFERENCES:
patent: 3553800 (1971-01-01), Ploger et al.
patent: 3792139 (1974-02-01), Weinstein
patent: 3992139 (1978-11-01), Lovatt
patent: 4009238 (1977-02-01), Niedermeier et al.
IBM Technical Disclosure Bulletin, vol. 14, No. 10, Mar. 1972, "Porous Platens for Multilayer Ceramics Lamination," L. F. Muenkel.
IBM Technical Disclosure Bulletin, vol. 17, No. 2, Jul. 1974, "Making Green Sheet Ceramic Parts," F. M. Cullen.
Camby John J.
International Business Machines - Corporation
Stoffel Wolmar J.
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