DE310038C - - Google Patents

Info

Publication number
DE310038C
DE310038C DE1918310038D DE310038DA DE310038C DE 310038 C DE310038 C DE 310038C DE 1918310038 D DE1918310038 D DE 1918310038D DE 310038D A DE310038D A DE 310038DA DE 310038 C DE310038 C DE 310038C
Authority
DE
Germany
Prior art keywords
relief
gelatin
layers
gradation
silver
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
DE1918310038D
Other languages
German (de)
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
Application granted granted Critical
Publication of DE310038C publication Critical patent/DE310038C/de
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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/315—Tanning development

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)

Description

In der Patentschrift 309193 und deren Zusatz-.patenten ist ein Verfahren beschrieben, nach welchem Gelatinereliefbilder durch Entwicklung mit sulfitfreiem oder nur bis zur Hälfte des Gewichtes der Entwicklungssubstanz Sulfit enthaltendem Brenzkatechin, Hydrochinon usw. aus Silbergelatineemulsionsschichten erhalten werden können. Es hat sich nun gezeigt, daß bei der Herstellung solcher Reliefs durch Belichtung von der Rückseite, namentlich bei Silberhalogenschichten auf Glas, bei kontrastreichen Originalen leicht Überstrahlungen eintreten können.i* Das Relief wird außerdem, weil die Lichtstrahlen stellenweise die ganze Schicht durchdringen, zu hoch und ist in warmem Wasser schwer zu entwickeln.In patent specification 309193 and its additional .patents describes a process by which gelatin relief images are developed by means of development with sulphite-free or sulphite containing only up to half the weight of the developing substance Pyrocatechol, hydroquinone, etc. obtained from silver gelatin emulsion layers can be. It has now been shown that in the production of such reliefs by exposure from the back, especially in the case of silver halogen layers on glass, in the case of high-contrast Originals can easily be overshadowed. I * The relief is also because the Light rays penetrate the whole layer in places, too high and is warm Water difficult to develop.

Man kann dieses leicht vermeiden, wenn man die Halogensilbergelatineschicht in 1I2- oder höherprozentigen Lösungen inaktinischer Farbstoffe badet oder solche Farbstoffe in entsprechenden Mengen gleich der Emulsion zusetzt. Durch Vermehrung ■ oder Verminderung der Farbstoffmenge hat man es in der Hand, die Abstufung des Reliefs zu beeinflussen.This can easily be avoided if the halogen silver gelatin layer is bathed in 1 I 2 or higher percent solutions of inactinic dyes or if such dyes are added to the emulsion in corresponding amounts. By increasing or decreasing the amount of dye it is possible to influence the gradation of the relief.

Die Beeinflussung der Abstufung und der Höhe des Reliefs ist wertvoll bei Silbergelatineschichten auf Papier, außerdem bei solchen Schichten auf durchsichtigen Schichtträgern, auf welchen farbige Reliefbilder durch Anfärben mit löslichen Farbstoffen hergestellt werden sollen, sei es zur unmittelbaren Verwendung oder bei Verwendung durch Übertragung der Farbe auf gelatiniertes Papier.The influence of the gradation and the height of the relief is valuable in the case of silver gelatin layers on paper, as well as on transparent substrates for such layers, on which colored relief images are produced by coloring with soluble dyes should, be it for direct use or when used by transferring the Color on gelatinized paper.

Claims (1)

Patent-Anspruch.·Patent claim. Verfahren zur Herstellung von Gelatinereliefbildern mit Hilfe eines photographischen Entwicklers nach dem Patent 309193, dadurch gekennzeichnet, daß die Halogensilbergelatineemulisonsschicht zur Beein-. flussung der Abstufung und der Höhe des Reliefs mit einem unaktinischen Farbstoff angefärbt wird.Process for the production of gelatin relief images with the aid of a photographic Developer according to patent 309193, characterized in that the halosilver gelatine emulisone layer to affect. flow of the gradation and the height of the relief with an unactinic dye is stained.
DE1918310038D 1916-12-06 1918-01-18 Expired DE310038C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE309193T 1916-12-06
GB15193/20A GB172342A (en) 1916-12-06 1920-06-04 Manufacture of photographic reliefs

Publications (1)

Publication Number Publication Date
DE310038C true DE310038C (en) 1922-04-26

Family

ID=25984413

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1916309193D Expired DE309193C (en) 1916-12-06 1916-12-06
DE1918310038D Expired DE310038C (en) 1916-12-06 1918-01-18

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1916309193D Expired DE309193C (en) 1916-12-06 1916-12-06

Country Status (3)

Country Link
DE (2) DE309193C (en)
FR (1) FR518256A (en)
GB (1) GB172342A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746623C (en) * 1938-06-25 1944-08-16 Emil Baer Process for making screened colloid relief printing forms
DE743624C (en) * 1941-12-11 1943-12-30 Ig Farbenindustrie Ag Method for producing a washout relief
US2704712A (en) * 1952-09-18 1955-03-22 Eastman Kodak Co Photographic copying process

Also Published As

Publication number Publication date
DE309193C (en) 1922-04-26
FR518256A (en) 1921-05-21
GB172342A (en) 1921-12-05

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