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    • 2. 发明授权
    • Product for industrial radiography
    • 产品用于工业射线照相
    • US06326135B1
    • 2001-12-04
    • US09304717
    • 1999-05-04
    • Gerard M. DroinJacques Roussilhe
    • Gerard M. DroinJacques Roussilhe
    • G03C1005
    • G03C5/17G03C1/0051G03C1/10G03C1/34G03C5/16G03C2001/03511G03C2007/3025Y10S430/167Y10S430/168
    • This invention concerns a non-spectral sensitized radiographic product for exposure to ionizing radiation of energy equal to at least 40 keV containing at least 50 mg/dm2, which comprises a support covered with on at least one of its sides with a layer of silver halide emulsion in which at least 50% of the grains are tabular grains, and at least 0.05 mmol/mol Ag of a compound of formula wherein R1 and R2 are each independently an atom of hydrogen, an alkyl group comprising from 1 to 5 atoms of carbon, substituted or not, a hydroxyl group, or a benzyl group; R3 and R4 are each independently a hydrogen, or an alkyl group from 1 to 5 atoms of carbon, or jointly comprise the atoms necessary to form a heterocycle of 4 to 6 atoms, substituted or not. The product for industrial radiography of the invention provides an improved keeping of the latent image and higher speed.
    • 本发明涉及用于暴露于等于至少40keV的能量的电离辐射的非光谱敏化射线照相产品,其含有至少50mg / dm 2,其包括在其至少一侧上覆盖有一层卤化银 其中至少50%的颗粒是片状颗粒的乳状液,以及至少0.05mmol / mol的化学式R 1和R 2化合物的Ag各自独立地为氢原子,含有1至5个碳原子的烷基, 取代或未取代,羟基或苄基; R3和R4各自独立地为氢或1至5个碳原子的烷基,或共同包含形成4至6个原子的杂环所必需的原子,取代或未被取代。本发明的工业射线照相产品提供 改善了潜像的保持性和更高的速度。