Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1992-08-28
1995-08-15
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428204, 428207, 428323, 428688, 428913, 428914, B32B 300
Patent
active
054417945
ABSTRACT:
An ink sheet for making thermal transfer colour recordings, with practically acceptable high speed and high resolution using a semiconductor laser beam, comprises a support film coated with an opto-thermal conversion layer to generate heat by absorbing the laser beam, and an overlying thermal melt transfer ink layer, wherein the opto-thermal conversion layer is 5 .mu.m thick or less, and in the wavelength region of 700 nm to 900 nm has a laser beam transmittance of 5% or less.
REFERENCES:
patent: 4783375 (1988-11-01), Hashimoto et al.
patent: 4804977 (1989-02-01), Long
Hitomi Chiyoji
Hoshikawa Jun
Kaneko Akinari
Imperial Chemical Industries PLC
Krynski William A.
Ryan Patrick J.
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