Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1989-10-20
1990-10-16
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156634, 156643, 156644, 156652, 156656, 1566591, 156668, 204 15, 324158P, 437183, B44C 122, C03C 1500, C23F 100
Patent
active
049632256
ABSTRACT:
A contact element is formed on a sheet of dielectric material by depositing conductive material in an opening in a first layer of dielectric material, and depositing a second layer of dielectric material over the first layer and over the conductive material in the opening. Material of the first layer is removed from the surface farther from the second layer so that the conductive material projects beyond the first layer.
REFERENCES:
patent: 3838984 (1974-10-01), Crane et al.
patent: 4585991 (1986-04-01), Reid et al.
patent: 4676864 (1987-06-01), Maeda et al.
patent: 4740700 (1988-04-01), Shaham et al.
patent: 4878990 (1989-11-01), Dugan et al.
Powell William A.
Smith-Hill John
Tektronix Inc.
Winkelman John D.
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