GB1017925A - Improvements relating to the handling of photoconductive workpieces under lamps - Google Patents

Improvements relating to the handling of photoconductive workpieces under lamps

Info

Publication number
GB1017925A
GB1017925A GB4637162A GB4637162A GB1017925A GB 1017925 A GB1017925 A GB 1017925A GB 4637162 A GB4637162 A GB 4637162A GB 4637162 A GB4637162 A GB 4637162A GB 1017925 A GB1017925 A GB 1017925A
Authority
GB
United Kingdom
Prior art keywords
photoconductor
film
workpiece
photoconductive
handling
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
GB4637162A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commonwealth of Australia
Original Assignee
Commonwealth of Australia
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
Priority claimed from AU12199/61A external-priority patent/AU260144B2/en
Application filed by Commonwealth of Australia filed Critical Commonwealth of Australia
Publication of GB1017925A publication Critical patent/GB1017925A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

1,017,925. Safelights. AUSTRALIA, DEPT. OF SUPPLY. Dec. 7, 1962 [Dec. 8, 1961], No. 46371/62. Heading H1F. For handling a photoconductive workpiece under a light source, a film of photoconductor material is interposed between the source and the workpiece, the photoconductor material of the film being similar to that of the workpiece so that the absorbtion bands of the materials coincide and the film absorbs light which would otherwise be absorbed by the workpiece. The coating may be applied to the envelope of an electric lamp and may consist of the photoconductor embedded in a resin of high electric resistivity, the coating being between 1 and 100 microns thick. Where the photoconductor is not of the continuous type, the volume of photoconductor is about four times the volume of the bonding medium. Examples are given of compositions containing alkyd resin Rhodene M8 and either zinc oxide, antimony trioxide, cadmium sulphide or bismuth thioxide, for use in each case with papers containing the same photoconductor. For use with selenium film or plates, a film of selenium may be vacuum evaporated on to the surface of the lamp.
GB4637162A 1961-12-08 1962-12-07 Improvements relating to the handling of photoconductive workpieces under lamps Expired GB1017925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU12199/61A AU260144B2 (en) 1962-11-27 Xenographic safe-light

Publications (1)

Publication Number Publication Date
GB1017925A true GB1017925A (en) 1966-01-26

Family

ID=3702751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4637162A Expired GB1017925A (en) 1961-12-08 1962-12-07 Improvements relating to the handling of photoconductive workpieces under lamps

Country Status (2)

Country Link
GB (1) GB1017925A (en)
NL (1) NL141299B (en)

Also Published As

Publication number Publication date
NL141299B (en) 1974-02-15

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