Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Spatial relationship specified between color-former and...
Patent
1996-05-17
1998-01-27
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Spatial relationship specified between color-former and...
427152, B41M 540
Patent
active
057122210
ABSTRACT:
A thermal recording medium includes a thermal recording layer, which is provided on a transparent substrate, consisting essentially of an electron-donating chromophoric compound, an electron-accepting compound and a binder resin, an over layer, whose dynamic friction coefficient of the surface does not exceed 0.1, includes a resin having substantially the same refractive index as the thermal recording layer is further provided.
REFERENCES:
patent: 5380693 (1995-01-01), Goto
patent: 5403810 (1995-04-01), Sawamura et al.
patent: 5432534 (1995-07-01), Maruyama et al.
patent: 5521138 (1996-05-01), Shimada et al.
patent: 5532201 (1996-07-01), Goto
Goto Hiroshi
Sawamura Ichiro
Hess Bruce H.
Ricoh & Company, Ltd.
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