摘要:
A method of producing a radiation-induced colorant transfer image on a support, includes the steps of: providing an image-receiving element comprising a support having thereon an image-receiving layer; providing a colorant donor element having a colorant transfer layer on a colorant element support and wherein colorant can be transferred from a transfer surface of the colorant donor element to the image-receiving element in response to selectively applied radiation, the colorant element support being configured to provide a surface having peaks and valleys; pressing the colorant element support surface against a rigid element so as to cause the colorant transfer layer surface to conformally have peaks and valleys; causing the peaks of the colorant transfer layer to engage the image-receiving element; and applying radiation to the colorant donor element to cause colorant to transfer in the space between the image-receiving element and the colorant transfer layer surface corresponding to the valleys in the colorant transfer surface.
摘要:
A thermal printer is disclosed which is adapted to form an image on a thermal print medium of a type in which a donor element transfers dye to a receiver element upon receipt of a sufficient amount of thermal energy. The printer includes a plurality of diode lasers which can be individually modulated to supply energy to selected dots on the medium in accordance with an information signal. In order to increase the efficiency and versatility of the printer, the print head of the printer includes a fiber optic array having a plurality of optical fibers coupled to the diode lasers. The thermal Print medium is supported on a rotatable drum, and the fiber optic array is movable relative to the drum.
摘要:
A dye-receiving element for thermal dye transfer suitable for forming a focussing tool comprising a polymeric central dye image-receiving section having a substantially planar image receiving surface and a relatively thicker integral polymeric frame section extending around the periphery of said central section, said image receiving surface being formed at an inclined angle relative to the frame section. The invention further includes a process of forming an imaged focussing tool by the steps of a) imagewise-heating a dye-donor element comprising a support having thereon a dye layer, and b) transferring portions of the dye layer in a pattern corresponding to a desired focussing image to a dye-receiving element as described above, and imaged focussing tools obtained by such a process.
摘要:
A thermal printer is disclosed which is adapted to form an image on a thermal print medium of a type in which a donor element transfers dye to a receiver element upon receipt of a sufficient amount of thermal energy. The printer includes a plurality of diode lasers which can be individually modulated to supply energy to selected dots on the medium in accordance with an information signal. In order to increase the efficiency and versatility of the printer, the print head of the printer includes a fiber optic array having a plurality of optical fibers coupled to the diode lasers. The thermal print medium is supported on a rotatable drum, and the fiber optic array is movable relative to the drum.
摘要:
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an indene-bridged-polymethine dye. In a preferred embodiment, the indene-bridged-polymethine dye has the following formula: ##STR1## wherein: R represents a substituted or unsubstituted alkyl or cycloalkyl group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms; R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryly group; or any two of said R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 groups may be joined together to form a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;A represents --COR, --CO.sub.2 R, --CONHR, --CONR.sub.2, --SO.sub.2 R, --SO.sub.2 NHR, --SO.sub.2 NR.sub.2 or --CN;B represents A or hydrogen, --R, --SR, --OR or --NR; or A or B may be joined together to form a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;Y represents a dialkyl-substituted carbon atom, a vinylene group, an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom, NR, or a direct bond to the carbon at the R.sup.2 position;Z represents hydrogen or the atoms necessary to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; andn is 0 to 3.
摘要:
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a bis(chalcogenopyrylo)polymethine dye. In a preferred embodiment, the bis(chalcogenopyrylo)polymethine dye has the following formula: ##STR1## wherein: R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R.sup.1, R.sup.2 and R.sup.3 groups may be joined together to form a 5- to 7-membered substituted or unsubstituted carboxyclic or heterocyclic ring; or R.sup.1 may be joined to Z.sup.1 to form a fused 5- or 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; or R.sup.3 may be joined to Z.sup.2 to form a fused 5- or 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;Y.sup.1 and Y.sup.2 each independently represents sulfur, oxygen, tellurium, or selenium, with the methine chain being joined ortho or para to each of Y.sup.1 and Y.sup.2 ;Z.sup.1 and Z.sup.2 each independently represents hydrogen; a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms; a substituted or unsubstituted aryl or hetaryl group having from about 5 to about 10 atoms; or the atoms necessary to complete a 5- to 7-membered carbocyclic or heterocyclic ring;each m independently is 1 to 4;n is 1 to 3; andX is a monovalent anion.
摘要:
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a squarylium dye. In a preferred embodiment, the squarylium dye has the following formula: ##STR1## wherein: R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represents hydrogen, hydroxy, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any of said R.sup.1, R.sup.2, R.sup.3 or R.sup.4 groups may be combined with R.sup.5, R.sup.6, R.sup.7 or R.sup.8 or with each other to form a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each independently represents hydrogen, a substituted or unsubstituted alkyl or cycloalkyl group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms;or R.sup.5 and R.sup.6 or R.sup.7 and R.sup.8 may be joined together to form a 5- to 7-membered substituted or unsubstituted nitrogen-containing heterocyclic ring; and n and m are each independently 1 to 4.
摘要:
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a Fe(II) complex of the following dye ligand: ##STR1## wherein R represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group;Z represents the atoms necesasry to complete a 5- to 7-membered substituted or unsubstituted nitrogen-containing, heterocyclic, aromatic ring or fused ring system; andn is 2.
摘要:
A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material, and wherein the dye layer has a layer coated thereover which contains spacer beads of such particle size and concentration that effective contact between the dye-donor element and a dye-receiving element is prevented during the laser-induced thermal dye transfer.
摘要:
An x-ray intensifying screen comprises a support having thereon a fluorescent composition comprising:(a) from 50 to 90 percent by weight of a substantially isotropic phosphor which is excited by x-rays and substantially transparent to light emitted by said phosphor; and(b) from 10 to 50 percent by weight of a polymer having an index of refraction within 0.02 of the index of refraction of said phosphor over at least 80 percent of the emission spectrum of said phosphor, said support having an index of refraction up to or equal to 0.05 units higher than the index of refraction of said phosphor and having a reflection optical density of at least 1.7 to light emitted by said phosphor.The screen is highly transparent, and further exhibits improved contrast and resolution. A preferred fluorescent composition useful in the x-ray intensifying screen comprises:(a) from 50 to 90 percent by weight of a substantially isotropic phosphor which is excited by x-rays and substantially transparent to light emitted by said phosphor; and(b) from 10 to 50 percent by weight of a polymer having an index of refraction with 0.02 of the index of refraction of said phosphor over at least 80 percent of the emission spectrum of said phosphor, said polymer comprising:(i) from 5 to 99 mole percent of recurring units having the formula: ##STR1## wherein: R.sup.1 is H or alkyl; andR.sup.2 is alkyl, cycloalkyl, aryl, aralkyl or aryl substituted with alkyl, alkoxy or heterocyclic; and(ii) from 1 to 95 mole percent of recurring units having the formula: ##STR2## wherein: Ar is arylene;R.sup.1 is H or alkyl;R.sup.3 is H, alkyl, aryl, or aralkyl; andR.sup.4 is H, alkyl, alkoxy, amino, halogen, sulfide, sulfoxide, sulfonate or heterocyclic.