Abstract:
METHOD OF FORMING A POLYMETAL PRINGING PLATE WHICH COMPRISES THE STEPS OF EXPOSING A POLYMETAL PLATE HAVING A THIN HYDROPHOBIC METAL LAYER DISPOSED OVER A HYDROPHILIC METAL SURFACE, SAID HYDROPHOBIC METAL LAYER BEARING A LIGHT-SENSITIVE LAYER CAPABLE OF DEVELOPING A RD OF 1.0 TO 2.2, TO ACTINIC RADIATION TO PRODUCE A POTENTIAL RD OF 1.0 TO 2.2, DEVELOPING SAID LIGHT-SENSITIVE LAYER WITH WATER-INSOLUBLE POWDER PARTICLES USING PHYSICAL FORCE TO EMBED THE POWDER PARTICLES IN THE LIGHT-SENSITIVE LAYER, REMOVING NON-EMBEDDED POWDER PARTICLES, FUSING THE WATER-INSOLUBLE POWDER PARTICLES TO THE HYDROPHOBIC METAL SUBBING LAYER BY HEEATING, AND ETCHING THE HYDROPHOBIC METAL LAYER IN THE AREAS UNPROTECTED BY THE FUSED WATER-INSOLUBLE POWDER PARTICLES.
Abstract:
PROCESS OF FORMING DYE-IMBIBITION IMAGES WHEREIN POWDER PARTICLES COMPRISING A DYE, HELD IN IMAGE-WISE CONFIGURATION IN PARTICULATE FORM IN OR ON A SUBSTRATE, IS CONTACTED WITH VAPORS OF A MATERIAL, WHICH IS A SOLVENT FOR SAID DYE AND CAPABLE OF SWELLING THE SURFACE OF SAID SUBSTRATE, MOLECULARLY IMBIBING SAID DYE INTO SAID SUBSTRATE. LINE, CONTINUOUS-TONE OR HALF-TONE IMAGES ARE PREFERABLY PRODUCED BY EXPOSING TO ACTINIC RADIATION IN IMAGERECEIVING MANNER A SUBSTRATE BEARING A POSITIVE-ACTING OR NEGATIVE-ACTING LIGHT-SENSITIVE ORGANIC LAYER HAVING A THICKNESS OF AT LEAST 0.1 MICRON, SAID LAYER BEING CAPABLE OF DEVELOPING A RD OF 0.2 TO 2.2 CONTINUING THE EXPOSURE TO EITHER CLEAR THE BACKGROUND OF POSITIVE-ACTING LIGHT-SENSITIVE LAYERS OR TO ESTABLISH A POTENTIAL RD OF 0.2 TO 2.2 WITH NEGATIVE-ACTING LIGHT-SENSITIVE ORGANIC LAYERS; APPLYING TO SAID LAYER OF ORGANIC METERIAL, FREE FLOWING POWDER PARTICLES HAVING A DIAMETER, ALONG AT LEAST ONE AXIS OF AT LEAST 0.3 MICRON BUT LESS THAN 25 TIMES THE THICKNESS OF SAID ORGANIC LAYER WHEREIN SAID POWDER PARTICLES COMPRISE A SOLID CARRIER AND DYE; WHILE THE LAYER IS AT A TEMPERATURE BELOW THE MELTING POINTS OF THE POWDER AND OF THE ORGANIC LAYER, PHYSICALLY EMBEDDING SAID POWDER PARTICLES AS A MONOLAYER IN A STRATUM AT THE SURFACE OF SAID LIGHT-SENSITIVE LAYER TO YIELD IMAGES HAVING PORTIONS VARYING IN DENSITY IN PROPORTION TO THE LIGHT EXPOSURE OF EACH PORTION, REMOVING NON-EMBEDDED PARTICLES FROM SAID ORGANIC LAYER TO DEVELOP AN IMAGE; AND MOLECULARLY IMBIBING DYE INTO THE SUBSTRATE (INCLUDING SUBBING LAYER ON SAID SUBSTRATE) BY CONTACTING THE PARTICLES EMBEDDED IN SAID ORGANIC LAYER WITH VAPORS OF A MATERIAL WHICH IS A SOLVENT FOR SAID DYE AND CAPABLE OF SWELLING SAID SUBSTRATE.
Abstract:
Storage stable coating compositions suitable for the preparation of solid, light-sensitive organic layers utilizable in deformation imaging comprising a liquid vehicle, a film forming organic material and a photoactivator capable of producing free radicals.
Abstract:
METHOD OF FORMING A PRINTED CIRCUIT WHICH COMPRISES THE STEPS OF EXPOSING AN INSULATING BOARD BEARING A CONDUCTIVE METAL SUBBING LAYER, SAID CONDUCTIVE METAL LAYER BEARING A LIGHT-SENSITIVE LAYER CAPABLE OF DEVELOPING A RD OF 1.0 TO 2.2 TO ACTINIC RADIATION TO PRODUCE A POTENTIAL RD OF 1.0 TO 2.2, DEVELOPING SAID LIGHT-SENSITIVE LAYER WITH WATER-INSOLUBLE POWDER PARTICLES USING PHYSICAL FORCE TO EMBED THE POWDER PARTICLES IN THE LIGHT-SENSITIVE LAYER, REMOVING NON-EMBEDDED POWDER PARTICLES FROM THE NONIMAGE AREAS, FUSING THE WATER-INSOLUBLE POWDER PARTICLES TO THE METAL SUBBING LAYER BY HEATING, AND ETCHING THE METAL LAYER IN THE AREAS UNPROTECTED BY THE FUSED WATERINSOLUBLE POWDER PARTICLES.
Abstract:
THE METHOD OF FORMING A MULTICOLOR REPRODUCTION WHICH COMPRISES: COATING A SUBSTRATE BEARING A FIRST COLOR IN IMAGE-WISE CONFIGURATION WITH A SOLID, LIGHT-SENSITIVE ORGANIC LAYER HAVING A THICKNESS OF AT LEAST 0.1 MICRON WHILE MAINTAINING SAID FIRST COLOR IN ITS IMAGE-WISE CONFIGURATION, SAID LIGJT-SENSITIVE ORGANIC LAYER BEING CAPABLE OF DEVELOPING A RD OF 0.2 TO 2.2; EXPOSING SAID LIGHT-SENSITIVE OR GANIC LAYER TO ACTINIC RADIATION IN IMAGE-RECEIVING MANMER TO ESTABLISH A POTENTIAL RD OF 0.2 TO 2.2; APPLYING SAID LAYER OF ORGANIC MATERIAL, FREE FLOWING POWDER PARTICLES OF A SECOND COLOR HAVING A DIAMETER, ALONG AT LEAST ONE AXIS, OF AT LEAST ABOUT 0.2 MICRON BUT LESS THAN 25 TIMES THE THICKNESS OF SAID ORGANIC LAYER; WHILE THE LAYER IS AT A TEMPERATURE BELOW THE MELTING POINTS OF THE POWDER AND OF THE ORGANIC LAYER, EMBEDDING SAID POWDER PARTICLES AS A MONOLAYER IN A STRATUM AT THE SURFACE OF SAID LIGHT-SENSITIVE LAYER TO YIELD AN IMAGE HAVING PORTIONS VARYING IN DENSITY IN PROPORTION TO THE EXPOSURE OF EACH PORTION; AND REMOVING NON-EMBEDDED PARTICLES FROM SAID ORGANIC LAYER TO DEVELOP A MULTICOLOR REPRODUCTION.
Abstract:
Method for forming ceramics and more particularly for fabricating screens for colored television tubes comprising coating a cathode ray tube faceplate with a solid, lightsensitive organic layer capable of developing a Rd of 0.2 to 2.2, preferably a Rdp of 0.4 to 2.0; exposing said light-sensitive organic layer to actinic radiation in image-receiving manner to establish a potential Rd of 0.2 to 2.2; applying to said layer of organic material, free flowing phosphor particles having a diameter, along at least one axis of at least about 0.3 micron but less than 25 times the thickness of said organic layer; while the layer is at a temperature below the melting points of the phosphor powder and of the organic layer, physically embedding said phosphor particles as a monolayer in a stratum at the surface of said light-sensitive layer to yield an image having portions varying in density in proportion to the exposure of each portion; removing non-embedded particles from said organic layer to develop a discrete phosphor pattern, repeating said process to deposit a second phosphor and firing said faceplate to remove all of the organic material on the surface of the faceplate and fuse the phosphors to said faceplate. Ceramics may be processed in the same manner and in those cases where the ceramic pigment comprises a conductive metal, the technique can be employed to prepare ceramic circuit boards.
Abstract:
Method of chemical milling which comprises the steps of exposing a metal layer bearing a light-sensitive layer capable of developing a Rd of 1.0 to 2.2 to actinic radiation to produce a potential Rd of 1.0 to 2.2; developing said light-sensitive layer with water-insoluble powder particles using physical force to embed the powder particles in the light-sensitive layer; removing non-embedded powder particles; fusing the water-insoluble powder particles to the metal layer by heating to form a stencil; and etching through the metal layer in the areas unprotected by the fused water-insoluble powder particles.
Abstract:
FROST PATTERNS ARE PRODUCED BY EXPOSING A FROSTABLE LIGHT-SENSITIVE ORGANIC LAYER, COMPRISING A FILM-FORMING FROSTABLE ORGANIC MATERIAL, TO ACTINIC RADIATION IN IMAGERECEIVING MANNER TO FORM A LATENT IMAGE AND PRODUCING A FROST IMAGE IN THE UNEXPOSED AREAS BY CONTACTING THE EXPOSED LAYER WITH WATER VAPOR.
Abstract:
METHOD OF FORMING A POLYMETAL PRINTING PLATE WHICH COMPRISES THE STEPS OF EXPOSING APOLYMETAL PLATE HAVING A THIN HYDROPHILIC METAL LAYER DISPOSED OVER A HYDROPHOBIC METAL SURFACE, SAID HYDROPHILIC METAL LAYER BEARING A LIGHT-SENSITIVE LAYER CAPABLE OF DEVELOPING A RD OF 1.0 TO 2.2 TO ACTINIC RADIATION TO PRODUCE A POTENTIAL RD OF 1.0 TO 2.2, DEVELOPING SAID LIGHT-SENSITIVE LAYER WITH WATER-INSOLUBLE POWDER PARTICLES USING PHYSICAL FORCE TO EMBED THE POWDER PARTICLES IN THE LIGHT-SENSITIVE LAYER, REMOBING NON-EMBEDDED POWDER PARTICLES, FUSING THE WATER-INSLUBLE POWDER PARTICLES TO THEHYDROPHILIC METAL SUBBING LAYER BY HEATING, ETCHING THE HYDROPHILIC METAL LAYER IN THE AREAS UNPROTECTED BY THE FUSED WATER-INSOLUBLE POWDER PARTICLES AND REMOVING THE FUSED WATER-INSOLUBLE POWDER PARTICLES.
Abstract:
METHOD OF FORMING A DEEP ETCH LITHOGRAPHIC PLATE WHICH COMPRISES THE STEPS OF EXPOSING A HYDROPHILIC METAL SUBSTRATE BEARING A LIGHT-SENSITIVE LAYER CAPABLE OF DEVELOPING A RD OF 1.0 TO 2.2 TO ACTINIC RADIATION TO PRODUCE A POTENTIAL RD OF 1.0 TO 2.2, DEVELOPING SAID LIGHT-SENSITIVE LAYER WITH WATER-INSOLUBLE POWDER PARTICLES USING PHYSICAL FORCE TO EMBED THE POWDER PARTICLES IN THE LIGHT-SENSITIVE LAYER, REMOVING NON-EMBEDDED POWDER PARTICLES, FUSING THE WATER-INSOLUBLE POWDER PARTICLES TO THE HYDROPHILIC METAL SUBSTRATE BY HEATING, ETCHING THE HYDROPHILIC METAL SUBSTRATE IN THE AREAS UNPROTECTED BY THE FUSED WATER-INSOLUBLE POWDER PARTICLES, APPLYING A FILM FORMINGG, AROMATIC HYDROCARBON INSOLUBLE, HYDROPHOBIC POLYMER TO THE PLATE FROM A POOR SOLVENT FOR THE FUSED POWDER PARTICLES, AND REMOVING THE FUSED POWDER PARTICLES AND HYDROPHOBIC POLYMER ADHERING THERETO WITH A POOR SOLVENT FOR SAID HYDROPOBIC POLYMER.