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US 4,297,436 AGranted
Method for producing a multilayer printing plate
AssigneeFuji Photo Film Co., Ltd.
InventorsKikuo Kubotera, Masamichi Sato, Akira Kashiwabara, Kotaro Sato
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AssigneeFuji Photo Film Co., Ltd.
InventorsKikuo Kubotera, Masamichi Sato, Akira Kashiwabara, Kotaro Sato
Estimating the term…
A method for producing a multilayer printing plate comprising image-wise exposing and developing a light-sensitive printing plate material which comprises a support having an oleophilic surface having a hydrophilic metal layer thereon, the hydrophilic metal layer having thereon at least one silver halide emulsion layer either directly or on at least one subbing layer on the hydrophilic metal layer, to form a silver image resist image corresponding to the image-wise exposure by subjecting the printing plate material to a process including baking, removing the hydrophilic metal layer at non-resist image areas to uncover the oleophilic surface thereunder, and removing the resist image, or a method for producing a multilayer printing plate comprising image-wise exposing and developing a light-sensitive printing plate material which comprises a support having a hydrophilic surface having thereon at least one silver halide emulsion layer either directly or on at least one subbing layer on the hydrophilic surface to form a silver resist image corresponding to the image-wise exposure by subjecting the printing plate material to a process including baking, providing an oleophilic metal layer on the hydrophilic surface at the non-resist image area, and removing the resist image.
A method for producing a multi-layer printing plate consisting essentially of image-wise exposing and tanning developing a light-sensitive printing plate material which comprises a support with an oleophilic surface having thereon a hydrophilic metal layer having thereon at least one silver halide emulsion layer comprising a silver halide and a water-soluble binder, either directly or on at least one subbing layer on the hydrophilic metal layer to thereby form hardened silver image areas and unhardened non-silver image areas;
A method for producing a multi-layer printing plate consisting essentially of image-wise exposing and developing a light-sensitive printing plate material which comprises a support with an oleophilic metal surface having thereon a hydrophilic metal layer having thereon at least one silver halide emulsion layer comprising a silver halide and a water soluble binder, either directly or on at least on subbing layer on the hydrophilic metal layer, fixing the developed material having a silver image, baking the thus obtained material to remove the emulsion layer at the silver image area to leave a binderless silver image at the silver image area and to form a water impermeable resist image for metal etching at the non-image area, removing the binderless silver image, removing said hydrophilic metal layer at the non-resist image areas by etching, and then removing the resist image.
Dependencies are inferred from the claim text.