Reveal substrates and methods of using same

Incremental printing of symbolic information – Thermal marking apparatus or processes – With recording medium

Reexamination Certificate

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Reexamination Certificate

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08054323

ABSTRACT:
A reveal substrate includes a sensitive substrate having an opaque polymer sensitive to application of one of heat and pressure which upon one of being heated to a predetermined temperature and subjected to a predetermined pressure causes the opaque polymer to become transparent and a color material disposed in relation to the substrate in a manner to be obscured by the opaque polymer prior to one of the application of the predetermined heat and the predetermined pressure and is revealed subsequent thereto. A method of printing employing the reveal substrate is also provided.

REFERENCES:
patent: 3953659 (1976-04-01), Truitt
patent: 1043541 (1966-09-01), None

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