Process for producing a metal-screened ceramic package

Details Process for producing a metal-screened ceramic package Process for producing a metal-screened ceramic package

1990-07-18

1992-05-19

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 60, 156 89, C04B 4188

Patent

active

051146428

ABSTRACT:
A metal-screened ceramic package is formed by preparing a mixture including a fine metal powder and a coarse metal powder, preheating the metal powder mixture and simultaneously controlling the oxygen partial pressure and dew point in a furnace in which the mixture is pre-conditioned, to thereby form a metal paste, screning the paste on a green ceramic sheet, and co-firing the resulting screened metal paste and the green ceramic sheet in order to control the shrinkage of the metal paste and to provide a uniform sheet resistance.

REFERENCES:
patent: 3518756 (1970-07-01), Bennett
patent: 4109377 (1978-08-01), Blazick
patent: 4234367 (1980-11-01), Herron
patent: 4504339 (1985-03-01), Kamehara
patent: 4971738 (1990-11-01), Herron

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