Transparent digitizer platen

Details Transparent digitizer platen Transparent digitizer platen

1981-04-27

1982-10-12

Powell, William A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

29846, 156 99, 156901, 174 685, 219203, 428209, 428210, 430313, 430318, 430321, B32B 300, B32B 714, B60L 102

Patent

active

043539521

ABSTRACT:
A metallic foil is laminated to a transparent substrate with a photopolymerizable adhesive. An outer layer of photoresist is used in etching a pattern in the foil. The etched foil itself is then used as a resist in the complete removal of the uncovered portions of the adhesive, leaving the transparency of the revealed substrate material totally unimpaired. Finally, the remaining adhesive is hardened by polymerization resulting from exposure to ultraviolet light passed through the substrate from the unlaminated side.

REFERENCES:
patent: 4078107 (1978-03-01), Bitterice et al.
patent: 4143253 (1979-03-01), Wagner

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