摘要:
Clusters or galaxies of noble metal silver-precipitating nuclei for use in silver diffusion transfer processes are formed by reducing a noble metal salt or complex to form a colloid of noble metal nuclei and inducing instability to said colloid, whereby said galaxies are formed.
摘要:
A receiving element for use in an additive color photographic diffusion transfer process which comprises a transparent support carrying an additive color screen and a layer comprising noble metal silver precipitating nuclei and a polymer; wherein said nuclei are present in a level of about 0.1-0.3 mgs/ft.sup.2, and said polymer is present at a level of from about 0.5 to 5 times the coverage of said nuclei. Preferably, the noble metal is obtained by reduction of a noble metal salt or complex, and more preferably, the noble metal is palladium.
摘要翻译:一种用于添加色彩照相扩散转移方法的接收元件,其包含承载着色彩屏的透明载体和包含贵金属银沉淀核和聚合物的层; 其中所述核以约0.1-0.3mg / ft 2的水平存在,并且所述聚合物以所述核的覆盖范围的约0.5至5倍的水平存在。 贵金属优选通过还原贵金属盐或络合物而获得,更优选贵金属为钯。
摘要:
Novel image-receiving elements for obtaining photographic images in silver which comprise a support carrying, as a silver precipitating layer, a layer of inorganic stannic oxide polymer (tin hydrosol) having a noble metal reduced thereon.
摘要:
The characteristics of the surface of an article may be modified, e.g., in respect to adhesion, wettability or other physical characteristics, by exposing the surface to an electrical discharge in a mixture of certain gases. The practice of this invention is particularly useful in improving the gelatin adherence characteristics of a photographic film base support.
摘要:
Silver diffusion transfer image-receiving elements are formed by hydrolyzing a solution of a hydrolyzable cellulose ester, coating a support with a layer of said hydrolyzed cellulose ester and disposing silver precipitating nuclei therein.
摘要:
The present invention relates to photography and, more particularly, to a novel radiation recording photographic element which comprises a direct positive photosensitive element which includes, in combination, a particulate dispersion of fogged silver halide crystals, adapted to discharge the fogged silver halide upon exposure to electromagnetic radiation actinic thereto, having associated therewith in electron accepting relationship a semiconductor adapted to accept electrons from said silver halide crystals as a function of the exposure of the crystals to incident electromagnetic radiation actinic thereto.
摘要:
The present invention relates to photography and, more particularly, to a novel radiation recording photographic diffusion transfer process film unit which comprises a photosensitive element which includes, in combination, a particulate dispersion of photosensitive crystals, preferably, photosensitive silver halide crystals adapted to be reduced to silver, upon contact with a silver halide reducing agent, as a function of the crystals' exposure to incident actinic electromagnetic radiation, having associated therewith an inorganic semiconductor adapted to donate electrons to the photosensitive crystals as a function of the exposure of the element to incident actinic electromagnetic radiation.