GB864011A - Diazo type printing material and a method of making diazo type prints - Google Patents

Diazo type printing material and a method of making diazo type prints

Info

Publication number
GB864011A
GB864011A GB8513/58A GB851358A GB864011A GB 864011 A GB864011 A GB 864011A GB 8513/58 A GB8513/58 A GB 8513/58A GB 851358 A GB851358 A GB 851358A GB 864011 A GB864011 A GB 864011A
Authority
GB
United Kingdom
Prior art keywords
diazo
infra
exposure
red
ultra
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
GB8513/58A
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Publication of GB864011A publication Critical patent/GB864011A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

864,011. Diazotype materials and processes. LANDAU, R. March 17, 1958 [March 16, 1957], No. 8513/58. Drawings to Specification. Class 98(2) Diazotype material contains one diazo compound which is converted by radiation in a given wavelength band into a coupling component, and another diazo compound of greater coupling energy than the first which will couple with the coupling component formed from the first diazo compound and which is decomposed by radiation of a wavelength band different from the first band. The wavelength bands may be ultra-violet and infra-red or visible light. The material is first exposed through the document to be copied using radiation of one of the wavelengths, and then the original is removed and the material given a uniform second exposure of the second wavelength. If the diazo which gives the coupler is sensitive to ultra-violet and the other diazo is sensitive to infra-red, then a first exposure to infra-red and a second exposure to ultra-violet gives a positive. Conversely, if the diazo which gives the coupler is sensitive to infra-red and the other diazo to ultra-violet, a positive is produced by a first exposure to ultraviolet and a second exposure to infra-red. Reversing the order of exposure in either case yields a negative. Diazo compounds which produce couplers and diazos of the normal type are listed which are sensitive to infra-red or ultra-violet light only.
GB8513/58A 1957-03-16 1958-03-17 Diazo type printing material and a method of making diazo type prints Expired GB864011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1106171X 1957-03-16

Publications (1)

Publication Number Publication Date
GB864011A true GB864011A (en) 1961-03-29

Family

ID=9623819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8513/58A Expired GB864011A (en) 1957-03-16 1958-03-17 Diazo type printing material and a method of making diazo type prints

Country Status (4)

Country Link
BE (1) BE565736A (en)
DE (1) DE1106171B (en)
FR (1) FR1169732A (en)
GB (1) GB864011A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353984A (en) * 1963-04-18 1967-11-21 Landau Raphael Method for the preparation of lightsensitive diazotype materials and improved materials prepared by such method
US3407066A (en) * 1963-06-18 1968-10-22 Gaf Great Britain Ltd Light sensitive diazonium compounds and diazotype materials
US3459550A (en) * 1965-06-19 1969-08-05 Keuffel & Esser Co Diazotype material
US3526503A (en) * 1967-03-08 1970-09-01 Eastman Kodak Co Photoresist composition
GB2164166A (en) * 1984-07-31 1986-03-12 Fuji Photo Film Co Ltd Heat-sensitive recording material and recording method therefor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169864A (en) * 1962-05-15 1965-02-16 Minnesota Mining & Mfg Photosensitive materials comprising diazonium salts of bisphenol esters
FR2558274A1 (en) * 1984-01-17 1985-07-19 Chemistry Technology Sa Process for the production of positive images on a substrate from a positive transparent plate employing a diazo sensitive surface
JPH0679867B2 (en) * 1987-03-27 1994-10-12 富士写真フイルム株式会社 Light fixing type thermosensitive material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB644493A (en) * 1948-01-09 1950-10-11 Hall Harding Ltd Improvements relating to the production of diazotype photo printing materials

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353984A (en) * 1963-04-18 1967-11-21 Landau Raphael Method for the preparation of lightsensitive diazotype materials and improved materials prepared by such method
US3407066A (en) * 1963-06-18 1968-10-22 Gaf Great Britain Ltd Light sensitive diazonium compounds and diazotype materials
US3459550A (en) * 1965-06-19 1969-08-05 Keuffel & Esser Co Diazotype material
US3526503A (en) * 1967-03-08 1970-09-01 Eastman Kodak Co Photoresist composition
GB2164166A (en) * 1984-07-31 1986-03-12 Fuji Photo Film Co Ltd Heat-sensitive recording material and recording method therefor

Also Published As

Publication number Publication date
FR1169732A (en) 1959-01-05
BE565736A (en)
DE1106171B (en) 1961-05-04

Similar Documents

Publication Publication Date Title
ES273371A1 (en) Heat sensitive copy sheet, process of making and using
GB864011A (en) Diazo type printing material and a method of making diazo type prints
GB828390A (en) Diazotype materials containing coupling components for high opacity ultraviolet yellows and visually dense sepias
JPS5355122A (en) Color photographic material
GB1073999A (en) Process for forming stable images in photochromic material
GB862291A (en) Photo-sensitive elements
GB1167591A (en) Improvements in or relating to the Production of Transparencies
GB1020783A (en) Process and apparatus for measuring photographic exposure time
GB1338695A (en) Methods of forming negative and positve azo dye images
JPS5596952A (en) Production of photomask
GB1176548A (en) Improvements in and relating to Thermographic Reproduction
JPS539122A (en) Color photographic light sensitive material
US2391025A (en) Photoengraving
JPS5269329A (en) Image formation
GB1173041A (en) Diazotype Material and Process
GB576838A (en) Drop-out half-tone negatives
GB991185A (en) Improvements in or relating to photo hectographing
BR8006914A (en) PROCESS FOR THE PREPARATION OF COPY MATERIAL CONTAINING DIAZOIC COMPOUNDS, AND COPY MATERIAL SO OBTAINED
GB418368A (en) Improvements in or relating to photographic material for producing dyestuff or pigment images
GB1286552A (en) Process for the production of diazotype intermediate originals
GB888183A (en) Improvements in colour photographic processes
JPS53110530A (en) Dye image forming method
GB1400589A (en) Development of visible images
JPS51112346A (en) Method of development of color photosensitive materials
GB442887A (en) Improvements relating to the photographic production of direct positives for autotype purposes