Bistable, thermochromic recording method for rendering color and

Details Bistable, thermochromic recording method for rendering color and Bistable, thermochromic recording method for rendering color and

1996-03-08

2000-02-08

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Erasable imaging

430 22, 430333, 430964, 430334, 347172, 347232, 347248, 347250, 503204, 503227, G03C 700, B41M 534

Patent

active

06022648&

ABSTRACT:
Thermochromic materials are incorporated into constructions that facilitate accurate reproductions of monochrome or full-color images having multiple gray levels. The invention utilizes thermochromic materials having different transition temperatures to facilitate their selective activation. The materials may be located in a single layer of a recording sheet, or in multiple layers. The invention also comprises thermal printing apparatus useful in imaging the foregoing constructions, particularly those exhibiting hysteresis.

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patent: 5480482 (1996-01-01), Novinson
patent: 5585320 (1996-12-01), Tsutsui et al.

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