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US06649338B2 Silver salt photothermographic imaging material 失效
银盐光热成像材料

  • Patent Title: Silver salt photothermographic imaging material
  • Patent Title (中): 银盐光热成像材料
  • Application No.: US10164021
    Application Date: 2002-06-05
  • Publication No.: US06649338B2
    Publication Date: 2003-11-18
  • Inventor: Tsuyoshi Mitsuhashi
  • Applicant: Tsuyoshi Mitsuhashi
  • Priority: JP2001-175473 20010611
  • Main IPC: G03C1498
  • IPC: G03C1498
Silver salt photothermographic imaging material
Abstract:
A silver salt photohermographic material is disclosed, comprising a support having provided thereon a light-sensitive layer containing light-sensitive silver halide, a light-insensitive organic silver salt and a binder, wherein the photohermographic material exhibits a gradation of 2.0 to 5.0 within the density region of 0.5 and 2.0 on a photographic characteristic curve obtained when the photothermographic material is subjected to exposure of 50 &mgr;J/cm2 and thermal development at 124° C. for 16 sec.; the light-sensitive layer comprises lower and upper layers and a glass transition temperature of a binder contained in the lower layer being higher than that of a binder contained in the upper layer.
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