Thermal latent image material and method of producing and develo

Details Thermal latent image material and method of producing and develo Thermal latent image material and method of producing and develo

1990-07-24

1993-11-09

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Component noncoextensive with substrate

428 29, 503209, 503216, 503217, 503221, 503225, 503226, B41M 530

Patent

active

052602524

ABSTRACT:
Disclosed is a method and material for producing and developing thermal latent images. Upon imagewise thermal exposure of a heat sensitive recording material, the recording material selectively yields both a latent image and a visually readable image. The latent image may comprise confidential data or text, and may subsequently be rendered visually readable by an authorized recipient.

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