MLC green sheet process

Details MLC green sheet process MLC green sheet process

1984-10-19

1986-04-08

Welsh, John D.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156662, 156663, 156901, 427 96, 427307, 430354, B44C 122, B05D 512

Patent

active

045810982

ABSTRACT:
Disclosed is a method of forming a trench pattern in a ceramic green sheet for subsequently filling with a conductive paste resulting in a fully inlaid conductor pattern therefrom. Starting with a green sheet, a high contrast ink drawing of the desired conductor pattern is formed thereon. The drawing may be formed by direct printing on the green sheet or by first printing it on a flexible substrate such as paper and then transferring by xerography to the green sheet. Next, the green sheet is illuminated with an intense noncoherent light source to cause a high degree of absorption of the light energy by the inked areas and volatilization of the green sheet binder material thereunder, thereby forming a trench pattern conforming to the drawn pattern.

REFERENCES:
patent: 1996549 (1935-04-01), McNutt
patent: 3260584 (1966-07-01), Badger
patent: 3481760 (1969-12-01), Clark et al.
patent: 3770529 (1973-11-01), Anderson
patent: 3948706 (1976-04-01), Schmeckenbecher
patent: 3956052 (1976-05-01), Koste et al.
patent: 4109377 (1978-08-01), Blazick et al.
patent: 4356135 (1982-10-01), Francois et al.

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