GB1225541A - - Google Patents

Info

Publication number
GB1225541A
GB1225541A GB1225541DA GB1225541A GB 1225541 A GB1225541 A GB 1225541A GB 1225541D A GB1225541D A GB 1225541DA GB 1225541 A GB1225541 A GB 1225541A
Authority
GB
United Kingdom
Prior art keywords
layer
photo
sensitive
support
silver halide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1225541A publication Critical patent/GB1225541A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/06—Silver salts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

1,225,541. Photo-lithography. EASTMAN KODAK CO. May 2, 1968 [May 3, 1967], No.20813/68. Heading G2C. Photo-sensitive materials for preparing lithographic plates comprise (i) a support, (ii) a surface layer of a silver halide emulsion in a tannable hydrophilic colloid, the layer being photo-sensitive or non-photo-sensitive and optionally being fogged, (iii) a silver halide developing agent (optionally in the form of a precusor) capable of oxidation in the presence of the tannable hydrophilic colloid to form an image receptive to lithographic printing ink, (iv) if the surface layer is not photo-sensitive, silver halide emulsion layer between the surface layer and the support, and (v) a layer containing a metal oxide and having an average reflectance of at least 60% to light in the region 420-500mpl, which layer is either between the photo-sensitive layer and the adjacent surface of the support or forms the said surface of the support. The materials are similar to those described in Specification's 978,744 and 1,223,334 (apart from the metal oxide layer) and are processed in the same way. Preferably, the oxide is ZnO, TiO 2 , MgO or Al 2 O 3 , and is present in a colloid layer or in a polymer coating on the support; the oxide layer may also contain an antihalation dye, e.g. 1, 5-di-(3, 4-dipydroxy-benzoyl)-penta-1, 3- dienylene-bispyridinium chloride, mono-inner salt.
GB1225541D 1967-05-03 1968-05-02 Expired GB1225541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63575767A 1967-05-03 1967-05-03

Publications (1)

Publication Number Publication Date
GB1225541A true GB1225541A (en) 1971-03-17

Family

ID=24548997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225541D Expired GB1225541A (en) 1967-05-03 1968-05-02

Country Status (6)

Country Link
US (1) US3615443A (en)
BE (1) BE714499A (en)
CH (1) CH489820A (en)
DE (1) DE1772358A1 (en)
FR (1) FR1562577A (en)
GB (1) GB1225541A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791423A (en) * 1971-11-20 1973-05-16 Agfa Gevaert Nv PHOTOGRAPHIC MATERIAL FOR CREATING EQUIDENSITES
US4047956A (en) * 1975-11-17 1977-09-13 E. I. Du Pont De Nemours And Company Low coating weight silver halide element and process
JPS52154627A (en) * 1976-06-18 1977-12-22 Fuji Photo Film Co Ltd Silver halide light sensitive material
US6484637B2 (en) * 2001-01-09 2002-11-26 Presstek, Inc. Lithographic imaging with printing members having enhanced-performance imaging layers
GB0229090D0 (en) * 2002-12-13 2003-01-15 Eastman Kodak Co Display panel
US10863818B2 (en) * 2018-06-22 2020-12-15 Hien Ba Nguyen Smart toothbrush

Also Published As

Publication number Publication date
US3615443A (en) 1971-10-26
CH489820A (en) 1970-04-30
BE714499A (en) 1968-09-16
DE1772358A1 (en) 1971-03-04
FR1562577A (en) 1969-04-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee