GB1017925A - Improvements relating to the handling of photoconductive workpieces under lamps - Google Patents
Improvements relating to the handling of photoconductive workpieces under lampsInfo
- 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
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.
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) |
-
1962
- 1962-12-07 NL NL286417A patent/NL141299B/en unknown
- 1962-12-07 GB GB4637162A patent/GB1017925A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL141299B (en) | 1974-02-15 |
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