EP 0739748 B1 19990331 - Laser addressable direct-write media
Title (en)
Laser addressable direct-write media
Title (de)
Durch Laser direkt beschreibbare Auzeichnungsmaterialien
Title (fr)
Moyens de formation d'images en écriture directe par laser
Publication
Application
Priority
GB 9508028 A 19950420
Abstract (en)
[origin: EP0739748A1] A laser-imageable direct write medium comprising an infrared dye in photoreactive association with a leuco dye, in which irradiation of the medium at a wavelength absorbed by said infrared dye converts said leuco dye to the corresponding dye, characterised in that the said infrared dye comprises a chromophore which is formally the product of a one-electron or two-electron oxidation of a p-phenylenediamine or a 4,4'-biphenylenediamine.
IPC 1-7
IPC 8 full level
B41M 5/28 (2006.01); B41M 5/30 (2006.01); B41M 5/323 (2006.01); B41M 5/337 (2006.01); B41M 5/46 (2006.01); G03C 1/675 (2006.01); B41M 5/39 (2006.01)
CPC (source: EP)
B41M 5/323 (2013.01); B41M 5/465 (2013.01); B41M 5/39 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0739748 A1 19961030; EP 0739748 B1 19990331; DE 69601891 D1 19990506; DE 69601891 T2 19990819; GB 9508028 D0 19950607; JP H08297346 A 19961112
DOCDB simple family (application)
EP 96302794 A 19960419; DE 69601891 T 19960419; GB 9508028 A 19950420; JP 9090896 A 19960412