Thermal transfer recording medium

Details Thermal transfer recording medium Thermal transfer recording medium

1995-06-29

1997-11-18

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, B41M 5035, B41M 538

Patent

active

056887370

ABSTRACT:
A thermal transfer recording medium comprises a substrate and an ink layer formed on the substrate. The ink layer comprises a first dye having a light absorption peak which has a maximum absorption wavelength, .lambda..sub.max, of 420 to 500 nm and a half-value width of at least 100 nm, and a second dye having a light absorption peak which which has a maximum absorption wavelength, .lambda..sub.max, of 570 to 650 nm and a half-value width of at least 100 nm. The ink layer may further comprise a third dye having a light absorption peak whose maximum absorption wavelength, .lambda..sub.max, of 500 to 550 nm and/or a fourth dye having a light absorption peak whose maximum absorption wavelength, .lambda..sub.max, of 620 to 680 nm. When a density-graded indication is made using the thermal transfer recording medium, there can be obtained images whose black hue shift is small in all the density range.

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