AT70051B - Support for photosensitive layers such as paper, cardboard, fabric and the like. - Google Patents
Support for photosensitive layers such as paper, cardboard, fabric and the like.Info
- Publication number
- AT70051B AT70051B AT70051DA AT70051B AT 70051 B AT70051 B AT 70051B AT 70051D A AT70051D A AT 70051DA AT 70051 B AT70051 B AT 70051B
- Authority
- AT
- Austria
- Prior art keywords
- paper
- fabric
- cardboard
- support
- photosensitive layers
- Prior art date
Links
- 239000004744 fabric Substances 0.000 title description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 229920002160 Celluloid Polymers 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Paper (AREA)
Description
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Träger für lichtempfindliche Schichten, wie Papier, Karton, Gewebe und dgl.
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Beispielsweise kann als transparenter Träger Papier, Zelluloid, Seide oder dgl. verwendet werden. Wenn dies Material als solches nicht schon genügend hellen Ton besitzt und stark lichtreflektierend ist, so muss auch die für die lichtempfindliche Schicht bestimmte vordere Fläche durch Auftragen einer hellen, stark reflektierenden Farbschichte vorbereitet werden. Es ist natürlich, dass hiebei auch auf die Unempfindlichkeit der gewählten Farbe gegenüber der Emulsionsschichte und gegenüber der Entwicklerflüssigkeit Rücksicht genommen wird.
Die Rückseite wird mit einer roten oder gelben Farbe überdeckt, die nur chemisch unwirksame Lichtstrahlen durchlässt. Zu diesem Zwecke wird beispielsweise Kirschharz verwendet, das mit Formalin gegerbt und mit Auromin und etwas roter Anilinfarbe gefärbt ist. Diese Schichte ist, wie bereits erwähnt, unlöslich in Wasser und den photographischen Bädern und schwimmt daher bei der Entwicklung nicht al). Es können in dieser Weise Rollfilms oder flache Blätter erzeugt erden.
Vorteilhaltwird auf der Rückseite eine Masseinteilung angebracht, beispielsweise in schwarzen Linien auf den roten Grund aufgedruckt. Diese Masseinteilung ermöglicht beim Arbeiten in der Dunkelkammer ohne Anwendung eines Massstabes, Lineals oder dgl. das Papier in das
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in hellen Farben'angebrachtwerdell.
Auf einem wie früher beschriebenen lichtempfindlichen Papier oder Gewebe wird in üblicher Weise aufgenommen, die Aufnahme entwickelt, fixiert, gewaschen und getrocknet, um das Negativ zu erhalten. Nachdem dieses gegebenenfalls retouchiert worden ist. was vorteilhaft mit Kohle oder Kreide erfolgen kan, kann dieses Negativ unter Aufleuchten in beliebiger Ver-
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Support for photosensitive layers such as paper, cardboard, fabric and the like.
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For example, paper, celluloid, silk or the like can be used as the transparent carrier. If this material as such does not already have a sufficiently light tone and is highly light-reflecting, the front surface intended for the light-sensitive layer must also be prepared by applying a light, highly reflective color layer. It is natural that the insensitivity of the selected color to the emulsion layer and to the developer fluid should also be taken into account.
The back is covered with a red or yellow color that only lets through chemically inactive rays of light. For this purpose, cherry resin, for example, is used, which is tanned with formalin and colored with auromin and some red aniline dye. As already mentioned, this layer is insoluble in water and the photographic baths and therefore does not float during development. Roll film or flat sheets of paper can be produced in this way.
A graduation is attached to the back, for example printed in black lines on the red background. This graduation allows you to work in the darkroom without using a ruler, ruler or the like
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in light colors.
On a photosensitive paper or fabric as described earlier, the picture is taken in the usual way, the picture is developed, fixed, washed and dried in order to obtain the negative. After this has been retouched if necessary. what can advantageously be done with charcoal or chalk, this negative can be illuminated in any way
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** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT70051T | 1913-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT70051B true AT70051B (en) | 1915-09-25 |
Family
ID=3591833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT70051D AT70051B (en) | 1913-02-21 | 1913-02-21 | Support for photosensitive layers such as paper, cardboard, fabric and the like. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT70051B (en) |
-
1913
- 1913-02-21 AT AT70051D patent/AT70051B/en active
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