Infrared-absorbing cyanine dyes for laser ablative imaging

Details Infrared-absorbing cyanine dyes for laser ablative imaging Infrared-absorbing cyanine dyes for laser ablative imaging

1994-08-16

1995-03-28

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Including heating

430201, 430269, 430270, 430944, 430945, 430964, 503227, 347232, G03C 516

Patent

active

054016185

ABSTRACT:
A process of forming a single color, dye ablation image having an improved D-min comprising imagewise-heating by means of a laser, in the absence of a separate receiving element, a dye-ablative recording element comprising a support having thereon a dye layer comprising an image dye dispersed in a polymeric binder, the dye layer having an infrared-absorbing material associated therewith to absorb at a given wavelength of the laser used to expose the element, the image dye being substantially transparent in the infrared region of the electromagnetic spectrum and absorbs in the region of from about 300 to about 700 nm and does not have any substantial absorption at the wavelength of the laser used to expose the element, the laser exposure taking place through the dye side of the element, and removing the ablated image dye material to obtain an image in the dye-ablative recording element, wherein the infrared-absorbing material is a cyanine dye having a perfluorinated organic counterion.

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