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Silver halide photosensitive material and method of forming image

A technology of photographic materials and imaging methods, which is applied to photosensitive materials, emulsified silver emulsions, photosensitive material substrates/auxiliary layers, etc., and can solve problems such as insufficient clarity of line images

Inactive Publication Date: 2005-07-13
KONICA MINOLTA OPTO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In silver halide photographic materials sharpness can be improved by enhancing the gradation properties of silver halide emulsions or by use of coloring dyes, but the improvement in line image sharpness is not sufficient

Method used

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  • Silver halide photosensitive material and method of forming image
  • Silver halide photosensitive material and method of forming image
  • Silver halide photosensitive material and method of forming image

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Preparation of Sample 101

[0061] Preparation of a laminated paper support with 180 g / m2 high density polyethylene on the paper, provided that the side to be coated with the emulsion layer is laminated with a polyethylene melt containing 15% weight of surface-treated anatase titanium dioxide. This reflective support was subjected to corona discharge treatment and provided with a gel sublayer, and further provided thereon with the following composition layer, so that a silver halide photographic material sample 101 was prepared. Here, hardeners H-1 and H2, and preservative F-1 were used.

[0062] The composition of sample 101:

[0063] Layer 7 (protective layer) g / m 2

[0064] gel 1.00

[0065] DBP 0.002

[0066] DIDP0.002

[0067] Silica 0.003

[0068] Layer 6 (UV absorbing layer)

[0069] Gel 0.40

[0070] UV absorber (UV-1) 0.084

[0071] UV absorber (UV-2) 0.027

[0072] ...

Embodiment 2

[0257] These samples were treated analogously to Example 1, provided that they were rinsed according to method CPK-2-J1 with automatic processor NPS-8681J and rinse chemical ECOJET-P (from the company Konica). Evaluation results similar to Example 1 prove that the sample of the present invention is superior to the comparative sample in terms of character image clarity and whiteness.

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Abstract

A method of forming a digital image with excellent line brightness and visually excellent whiteness. The method of image formation comprises exposing a silver halide photosensitive material and developing it, and is characterized in that the silver halide photosensitive material contains at least one compound represented by the following general formula [1] and gives through development a white part which, when examined by the method as provided for in JIS-Z-8722, has sensory chromaticity indexes a and b, as provided for in JIS-Z-8730, of 0.0 to +2.0 to -4.0, respectively.

Description

technical field [0001] The present invention relates to an image forming method of a silver halide photographic material, particularly a silver halide photographic material having excellent image quality on line images, and an image forming method using said material. Background technique [0002] Silver halide photographic photosensitive materials (hereinafter, also simply referred to as photographic materials) have been widely used because of excellent gradation of colors and high sensitivity. The silver halide photographic material is exposed and developed to form an image, and the exposure is often performed by analog exposure of a negative image, but recently, digital scanning exposure, such as laser scanning exposure, has also been added. [0003] In particular, with the recent development of digital cameras, output methods of digital image information are required, for example, using silver halide photographic materials and methods such as inkjet printers and sublimat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03C1/047G03C1/40G03C1/79G03C1/825G03C1/83G03C5/02G03C5/04G03C7/30G03C7/305G03C7/36G03C7/384
CPCG03C1/047G03C1/79G03C1/832G03C5/04G03C7/3041G03C7/30535G03C7/367G03C7/384G03C2200/27
Inventor 西岛丰喜佐藤浩一
Owner KONICA MINOLTA OPTO
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