Process for the production of ceramic substrates for thin layer

Details Process for the production of ceramic substrates for thin layer Process for the production of ceramic substrates for thin layer

1974-03-11

1977-02-22

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 63, 264293, 264325, B29D 722

Patent

active

040092380

ABSTRACT:
A process for the production of ceramic substrates for thin layer circuits utilizes a cast compound which may be transformed into a ceramic body by sintering. The compound is poured out in the form of a coating on a base, for drying whereupon a leather-like, tough, "green" substrate layer is formed from which the required shapes can be punched out and sintered. In the green, air-drying state, the substrates are exposed to a pressure of up to approximately 1000 kp/cm.sup.2 between highly polished, plane parallel surfaces constituted by mirror finished surfaces of compression rams which may advantageously include highly polished surfaces of synthetic material.

REFERENCES:
patent: 2952877 (1960-09-01), Park
patent: 2966719 (1961-01-01), Park
patent: 3016598 (1962-01-01), Anderson
patent: 3096545 (1963-07-01), Rowland
patent: 3192086 (1965-06-01), Gyurk
patent: 3794704 (1974-02-01), Strong
patent: 3794707 (1974-02-01), O'Neill et al.
patent: 3879509 (1975-04-01), Elderbaum

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