Erasable display medium

Details Erasable display medium Erasable display medium

1994-08-03

1995-11-14

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Component noncoextensive with substrate

503201, 503207, 503226, B41M 540

Patent

active

054666546

ABSTRACT:
A display medium is disclosed, comprising at least the following layers, in this order: a heating resistive layer, a conductive layer, a background layer and an erasable thermochromic layer, and comprising a heating resistive layer which may comprise at least two layers. The display medium may also comprise a contact resistance reducing layer on the heating resistive layer and a protective layer on the erasable thermochromic layer.

REFERENCES:
patent: 5157011 (1992-10-01), Okabe et al.
patent: 5158926 (1992-10-01), Hotta et al.

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