Two-sided thermal printing system

Details Two-sided thermal printing system Two-sided thermal printing system

1992-11-19

1994-02-08

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428212, 428213, 428216, 428334, 428335, 428336, 428913, 428914, 503200, 503204, 503226, B41M 5035, B41M 538

Patent

active

052848167

ABSTRACT:
A two sided thermal printing system includes a sheet which is specially coated on both sides for two sided thermal printing. A first side of the sheet has a dye receiving first coating for heat flowable dye transfer thermal printing via a dye bearing web in a transfer printing step. An opposing second side of the sheet has a second coating containing a heat activated dye material for forming, in situ, a dye image by direct thermal printing in an in situ printing step. The sheet portion, exclusive of the second coating, has a sufficient thickness and thermal resistance for inhibiting heat transfer therethrough during the transfer printing step on the first side to prevent activation of the dye material in the second coating on the second side.

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