Nucleation in recording and development

Claim 2

The recording medium of claim 2 wherein said copper salt is selected from the group consisting of copper halides and copper organic salts.

Claim 3

The nucleation-recording medium of claim 3 wherein said copper salt is selected from the group consisting of copper salts of lower organic fatty acids, copper lactate and copper acetylacetonate.

Claim 4

The nucleation recording medium of claim 1 wherein said medium is coated upon an electrically conductive backing member.

Claim 5

The nucleation recording medium of claim 4 wherein said metallic salt is cupric lactate.

Claim 6

A nucleation-recording medium produced by the process including the step of dispersing together: a resinous film-forming vehicle; a solvent for said vehicle; an actinic ray sensitive material comprising a compound selected from the group consisting of oxides of titanium, tantalum, indium, magnesium, germanium, zinc, iron, tin and bismuth, sulfides of calcium, zinc, cadmium and indium, and boron nitride, calcium tungstate, beryllium aluminide, lithium carbonate, zinc carbonate, cadmium niobate, lithium niobate, calcium-magnesium silicate (cesium-activated) and mixtures thereof; a nucleation-inducing metallic compound selected from the group consisting of copper halide, copper (II) acetylacetonate, nickel (II) acetylacetonate, zinc (II) acetylacetonate, chromium (III) acetylacetonate, bismuth trioxide (Bi2O3), cuprous chloride, a mixture of cuprous chloride and triethylamine salt of tetra cyanoqUinomethane, a mixture of cuprous chloride and copper (II) acetylacetonate, a mixture of copper formate and cuprous chloride, cupric sulfate, cupric chloride hydrated with two water molecules, cuprous bromide, cuprous iodide, cupric bromide, cuprous sulfite, cupric thiocyanate, cuprous sulfide, cupric molybdate, cupric lactate, cupric formate, copper p-toluene sulfinite, cupric salicylate, cupric linoleate, cupric acetate, glycine cupric salt, cupric stearate, cupric oleate, cupric tartrate, cupric citrate, dextro-levo malic acid copper salt, cupric oxalate, bis (ethyl acetoacetate) copper, bis (1-phenyl 1,3-Butane-dione) copper, cupric dimethyl dithiocarbamate, cuprous sulfate B naphtol, cuprous acetylacetonate, silver benzotriazole, tin chloride, nickel chloride, chromium chloride, nickel sulfate, nickel fluoride, silver nitrate, silver oxide and tri-phenylene; and a liquid alcohol having a chain length of 1 to 8.

Claim 7

The nucleation-recording medium of claim 8 wherein said metallic compound is copper lactate.

Claim 8

The nucleation recording medium of claim 7 wherein said medium is coated upon an electrically conductive backing member.

Claim 9

The process of forming an image medium upon which an image can be formed by nucleation recording, comprising the steps of: dispersing together a resinous film-forming vehicle, a solvent which dissolves the film-forming vehicle, a compound which is sensitive to actinic rays selected from the group consisting of oxides of titanium, tantalum, indium, magnesium, germanium, zinc, iron, tin and bismuth, sulfides of calcium, zinc, cadmium and indium, and boron nitride, calcium tungstate, beryllium aluminide, lithium carbonate, zinc carbonate, cadmium niobate, lithium niobate, calcium-magnesium silicate (cesium-activated) and mixtures thereof, a nucleation-enhancing metal salt selected from the group consisting of copper halide, copper (II) acetylacetonate, nickel (II) acetylacetonate, zinc (II) acetylacetonate, chromium (III) acetylacetonate, bismuth trioxide (Bi2O3), cuprous chloride, a mixture of cuprous chloride and triethylamine salt of tetra cyanoquinomethane, a mixture of cuprous chloride and copper (II) acetylacetonate, a mixture of copper formate and cuprous chloride, cupric sulfate, cupric chloride hydrated with two water molecules, cuprous bromide, cuprous iodide, cupric bromide, cuprous sulfite, cupric thiocyanate, cuprous sulfide, cupric molybdate, cupric lactate, cupric formate, copper p-toluene sulfinite, cupric salicylate, cupric linoleate, cupric acetate, glycine cupric salt, cupric stearate, cupric oleate, cupric tartrate, cupric citrate, dextro-levo malic acid copper salt, cupric oxalate, bis (ethyl acetoacetate) copper, bis (1-phenyl 1,3-Butane-dione) copper, cupric dimethyl dithiocarbamate, cuprous sulfate B naphthol, cuprous acetylacetonate, silver benzotriazole, tin chloride, nickel chloride, chromium chloride, nickel sulfate, nickel fluoride, silver nitrate, silver oxide and tri-phenylene, and a lower liquid alcohol having a chain length of from 1 to 8 which causes reduction in background nucleation of the medium upon development; and coating the dispersed mixture onto a substrate prior to substantial evaporation said solvent and said alcohol.

Claim 10

The process of claim 10 wherein said forming step includes substantial evaporation of said solvent and said alcohol.

Claim 11

The process of producing a nucleation recording medium with an image thereon comprises the steps of: dispersing together a resinous film-forming binder, an actinic ray sensitive compound selected from the group consisting of oxides of titanium, tantalum, indium, magnesium, germanium, zinc, iron, tin and bismuth, sulfides of calcium, zinc, cadmium and indium, and boron nitride, calcium tungstate, beryllium aluminide, lithium carbonate, zinc carbonate, cadmium niobate, lithium niobate, calcium-magnesium silicate (cesium-activated) and mixtures tHereof, a solvent for said film-forming binder, a nucleation-inducing metallic salt selected from the group consisting of copper halide, copper (II) acetylacetonate, nickel (II) acetylacetonate, zinc (II) acetylacetonate, chromium (III) acetylacetonate, bismuth trioxide Bi2O3), cuprous chloride, a mixture of cuprous chloride and triethylamine salt of tetra cyanoquinomethane, a mixture of cuprous chloride and copper (II) acetylacetonate, a mixture of copper formate and cuprous chloride, cupric sulfate, cupric chloride hydrated with two water molecules, cuprous bromide, cuprous iodide, cupric bromide, cuprous sulfite, cupric thiocyanate, cuprous sulfide, cupric molybdate, cupric lactate, cupric formate, copper p-toluene sulfinite, cupric salicylate, cupric linoleate, cupric acetate, glycine cupric salt, cupric stearate, cupric oleate, cupric tartrate, cupric citrate, dextro-levo malic acid copper salt, cupric oxalate, bis (ethyl acetoacetate) copper, bis (1-phenyl 1,3-Butane-dione) copper, cupric dimethyl dithiocarbamate, cuprous sulfate B naphthol, tin chloride, nickel chloride, chromium chloride, cuprous acetylacetonate, silver benzotriazole, nickel sulfate, nickel fluoride, silver nitrate, silver oxide and tri-phenylene and a liquid alcohol having a chain length from 1 to 8 to reduce background nucleation; forming a film of said dispersion, including evaporation of substantially all of both said solvent and said alcohol; imagewise exposing said film to actinic radiation to form a latent image of nucleation sites in accordance with the imagewise exposure; exposing said film to metal vapor under such conditions that metal vapor deposits upon the nucleation sites to form a visible image.

Claim 12

The process of producing a nucleation-recording medium with an image thereon comprises the steps of: dispersing together a resinous film-forming binder, an actinic ray sensitive compound selected from the group consisting of oxides of titanium, tantalum, indium, magnesium, germanium, zinc, iron, tin and bismuth, sulfides of calcium, zinc, cadmium and indium, and boron nitride, calcium tungstate, beryllium aluminide, lithium carbonate, zinc carbonate, cadmium niobate, lithium niobate, calcium-magnesium silicate (cesium-activated) and mixtures thereof, a solvent for said film-forming binder, a nucleation-inducing metallic salt selected from the group consisting of copper halide, copper (II) acetylacetonate, nickel (II) acetylacetonate, zinc (II) acetylacetonate, chromium (III) acetylacetonate, bismuth trioxide (Bi2O3), cuprous chloride, a mixture of cuprous chloride and triethylamine salt of tetra cyanoquinomethane, a mixture of cuprous chloride and copper (II) acetylacetonate, a mixture of copper formate and cuprous chloride, cupric sulfate, cupric chloride hydrated with two water molecules, cuprous bromide, cuprous iodide, cupric bromide, cuprous sulfite, cupric thiocyanate, cuprous sulfide, cupric molybdate, cupric lactate, cupric formate, copper p-toluene sulfinite, cupric salicylate, cupric linoleate, cupric acetate, glycine cupric salt, cupric stearate, cupric oleate, cupric tartrate, cupric citrate, dextro-levo malic acid copper salt, cupric oxalate, bis (ethyl acetoacetate) copper, bis (1-phenyl 1,3-Butane-dione) copper, cupric dimethyl dithiocarbamate, cuprous sulfate B napthol, cuprous acetylacetonate, silver benzotriazole, tin chloride, nickel chloride, chromium chloride, nickel sulfate, nickel fluoride, silver nitrate, silver oxide and tri-phenylene and, a liquid lower alcohol having a chain length from 1 to 8 to reduce background nucleation; forming a film of said dispersion, including evaporation of substantially all of both said solvent and said alcohol; imagewise exposing said film to actinic radiation to form a latent image of nucleation sites in accordance with the imagewise exposure; exposing said film to metal vapor under suCh conditions that metal vapor deposits upon the nucleation sites to form a visible image.