Photothermographic material and image forming method

Details Photothermographic material and image forming method Photothermographic material and image forming method

2006-11-14

2006-11-14

Letscher, Geraldine (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S617000, C430S618000, C430S620000, C430S567000

Reexamination Certificate

active

07135277

ABSTRACT:
Provided are a photothermographic material which includes, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and is X-ray exposed with a fluorescent intensifying screen, wherein (1) the photosensitive silver halide includes tabular grains having a mean aspect ratio of 2 to 100 and a mean equivalent spherical diameter of 0.3 μm to 10 μm, (2) an exposure value necessary for obtaining an image density of fog+0.5 after exposing the photothermographic material with monochromatic light having the same wavelength as the main emission peak wavelength of the fluorescent intensifying screen and having a half width of 15 nm±5 nm and thermally developing the photothermographic material is from 1×10−6watt·sec·m−2to 1×10−3watt·sec·m−2, and (3) haze of the photothermographic material after thermal devolpment is less than 80% of that before thermal development; and an image forming method using the same.

REFERENCES:
patent: 2005/0266361 (2005-12-01), Funakubo et al.
patent: 2005/0277073 (2005-12-01), Funakubo

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