Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Imagewise heating – element or image receiving layers...
Patent
1993-03-18
1994-05-03
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Imagewise heating, element or image receiving layers...
430275, 430276, 430278, 430945, 430964, G03C 554, G03C 194
Patent
active
053087372
ABSTRACT:
This invention relates to a laser imageable donor material that is capable of transferring pigment to a receiver, such as plain paper, polymeric film, metal and the like. The donor material is composed of at least a transparent film, an overlying layer of vapor coated black aluminum, and a dye coating or pigment coating dispersed on top of the black aluminum. A material which generates gas when irradiated may also be present as a separate layer under or in the dye or pigment layer and above the black aluminum layer. The construction can be addressed with diode lasers and diode-pumped solid state lasers.
The invention can be used to produce large format digital halftone color proofs using high power air-cooled diode-pumped Nd:YAG and Nd:YLF lasers. Other materials could be transferred from the donor sheet in this process as well as the colorant (dye or pigment) layer.
REFERENCES:
patent: 4587198 (1986-05-01), Fisch
patent: 4599298 (1986-07-01), Fisch
patent: 4657840 (1987-04-01), Fisch
patent: 4705739 (1987-11-01), Fisch
patent: 5089372 (1992-02-01), Kirihata et al.
patent: 5156938 (1992-10-01), Foley et al.
patent: 5171650 (1992-12-01), Ellis et al.
USSN 07/977,215, filed Nov. 16, 1992, Propellant-Containing Technical Transfer Donor Elements.
Bills Richard E.
Chou Hsin-hsin
Dower William V.
Wolk Martin B.
Griswold Gary L.
Kirn Walter N.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Schilling Richard L.
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