Global Patent Index - EP 0796742 A3

EP 0796742 A3 19980204 - Infrared laser heat sensitive recording material

Title (en)

Infrared laser heat sensitive recording material

Title (de)

Infrarotlaser wärmeempfindliches Aufzeichnungsmaterial

Title (fr)

Produits d'enregistrement sensible à la chaleur d'un laser infra-rouge

Publication

EP 0796742 A3 19980204 (EN)

Application

EP 97301832 A 19970318

Priority

JP 6342396 A 19960319

Abstract (en)

[origin: EP0796742A2] An infrared laser heat sensitive recording material is provided which includes a support and a heat sensitive layer provided thereon. The heat sensitive layer includes an organic silver salt, a developer for the organic silver salt, a water soluble binder, and a tricarbocyanine dye having at least two acidic groups whose maximum absorption wave length is at least 50 nm longer than a maximum absorption wave length of an aqueous solution of the tricarbocyanine dye and is in a range of 650 to 1300 nm. The present invention increases infrared laser light absorption efficiency, reduces degree of coloration of background, and enables recording of images with good quality.

IPC 1-7

B41M 5/32; B41M 5/40; G03C 1/498

IPC 8 full level

B41M 5/28 (2006.01); B41M 5/30 (2006.01); B41M 5/323 (2006.01); B41M 5/46 (2006.01); G03C 1/498 (2006.01); G03C 1/00 (2006.01); G03C 1/12 (2006.01); G03C 1/20 (2006.01)

CPC (source: EP)

B41M 5/32 (2013.01); B41M 5/465 (2013.01); G03C 1/49854 (2013.01); G03C 1/49863 (2013.01); B41M 5/3335 (2013.01); B41M 5/3375 (2013.01); B41M 5/3377 (2013.01); B41M 2205/04 (2013.01); G03C 1/002 (2013.01); G03C 1/04 (2013.01); G03C 1/12 (2013.01); G03C 1/127 (2013.01); G03C 1/20 (2013.01); G03C 1/498 (2013.01); G03C 1/49845 (2013.01); G03C 1/4989 (2013.01); G03C 5/164 (2013.01); G03C 2200/39 (2013.01); G03C 2200/50 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0796742 A2 19970924; EP 0796742 A3 19980204; JP H09258365 A 19971003

DOCDB simple family (application)

EP 97301832 A 19970318; JP 6342396 A 19960319