Light-sensitive material for tanning development comprising pretreated
carbon
    9.
    发明授权
    Light-sensitive material for tanning development comprising pretreated carbon 失效
    用于鞣制发展的感光材料,包括预处理的碳

    公开(公告)号:US4233392A

    公开(公告)日:1980-11-11

    申请号:US31977

    申请日:1979-04-20

    申请人: Horst Friedel

    发明人: Horst Friedel

    摘要: In a light-sensitive material for tanning development containing unhardened or only slightly hardened gelatin silver halide emulsion layers, the silver content required to obtain maximum density is reduced by incorporating carbon black pretreated with water-miscible compounds which have a higher affinity for carbon black than gelatin. Suitable treatment may be provided by at least two of the following: poly-n-vinyl lactams, polyalkylene oxide derivatives, water-miscible compounds containing at least two OH groups, and polyalkylene oxides with a molecular weight of at least 400.

    摘要翻译: 在含有未硬化或仅硬化明胶卤化银乳剂层的鞣革发展的感光材料中,通过将与炭黑具有更高亲和力的水混溶性化合物预处理的炭黑掺入到炭黑中而获得最大密度所需的银含量比 明胶。 可以通过以下至少两种来提供合适的处理:聚-N-乙烯基内酰胺,聚环氧烷衍生物,含有至少两个OH基的水混溶性化合物和分子量至少为400的聚环氧烷。

    Photographic method for producing a cathode ray tube screen structure
    10.
    发明授权
    Photographic method for producing a cathode ray tube screen structure 失效
    用于生产阴极射线管屏幕结构的摄影方法

    公开(公告)号:US3623867A

    公开(公告)日:1971-11-30

    申请号:US3623867D

    申请日:1969-10-06

    申请人: RCA CORP

    IPC分类号: H01J9/227 G03C5/00 G03C7/06

    CPC分类号: H01J9/2271

    摘要: A PROCESS FOR PREPARING A LUMINESCENT SCREEN STRUCTURE OF A CATHODE RAY TUBE COMPRISING (1) COATING A SUPPOTING SURFACE SUCH AS THE INNER SURFACE OF THE FACEPLATE OF THE TUBE, WITH A PHOTOSENSITIVE POLYMERIC FILM CONTAINING 0.06 TO 0.50 WEIGHT PART, LIGHT SCATTERING PARTICLES PER PART POLYMERIC MATERIAL, (2) EXPOSING THE FILM TO A LIGHT IMAGE, (3) REMOVING THE STILL SOLUBLE PORTIONS OF THE FILM, (4) OVERCOATING THE RETAINED FILM PORTIONS WITH A LAYER CONTAINING PARTICLES OF SCREEN STRUCTURE MATERIAL (5) AND THEN REMOVING THE RETAINED FILM PORTION AND OVERCOATING THEREON.