Record receiver having plural interactive leaves or a colorless – Having plural interactive leaves
Patent
1989-09-13
1991-12-10
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having plural interactive leaves
8471, 427146, 428195, 428913, 428914, B41M 5035, B41M 526
Patent
active
050718240
ABSTRACT:
A heat transfer sheet which has a high recording sensitivity and can form image of high maximum reflection density and of high contrast is provided by containing in an ink layer of the heat transfer sheet at least one dye which has a product of an extinction coefficient (l.cm.sup.-1.g.sup.-1) and an evaporation or sublimation rate at 240.degree. C. (wt %.min..sup.-1) of at least 1.8.times.10.sup.2 (l.wt %.cm.sup.-1.g.sup.-1.min.sup.-1).
Akasaka Shinichi
Amou Satoru
Ohara Shuichi
Hess Bruce H.
Hitachi , Ltd.
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