AT43773B - Color photography grain grids and methods of making them. - Google Patents
Color photography grain grids and methods of making them.Info
- Publication number
- AT43773B AT43773B AT43773DA AT43773B AT 43773 B AT43773 B AT 43773B AT 43773D A AT43773D A AT 43773DA AT 43773 B AT43773 B AT 43773B
- Authority
- AT
- Austria
- Prior art keywords
- making
- methods
- color
- color photography
- grain
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 5
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 2
- 102000009027 Albumins Human genes 0.000 description 4
- 108010088751 Albumins Proteins 0.000 description 4
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Joining Of Glass To Other Materials (AREA)
Description
<Desc/Clms Page number 1>
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Eine mit Firnis und auf diesem mit sensisilisiertem Albumin (mit Kaliumbichromat vorsetztes Albumin) überzogene Glasplatte wird unter einem Negativ der Haftpunktanordnung belichtet, mit einem in Wasser unlöslichen Klebston überwalzt und in Wasser getaucht, welches sämtliches löslich gebliebene Albumin weglöst, so dass nur die punktförmigen Massen unlöslich gewordenen Albumins bedeckt mit Klebstoff hinterbleiben. Hiernach. bedeckt man mit Körnchen der streng symmetrisch zu verteilenden Farbe und verfährt wie beschrieben.
Das Verfahren umfasst ferner die Abänderung, dass man nach Aufbringen der ersten Farbe mittels regelmässig verteilter Haftpunkte in gleicher Weise für die zweite Farbe und gewünschtenfalls hiernach auch für die dritte Farbe verfährt. Doch muss diese Ausführungsweise wegen ihrer Kostspieligkeit auf diejenigen Fälle sich beschränken, die für jede einzelne Farbe eine streng symmetrische Verteilung fordern.
Selbstverständlich kann man die aufzudruckenden Farbenhaftpunkte so anordnen, dass sie in zueinander parallel gerichteten oder sich schneidenden geraden, gebrochenen oder ge- krümmten Linien angeordnet sind oder eine beliebte Musterung ergeben. Benutzt man das Verfahren zur Herstellung von Schwarzweissrastern, so muss der Aufdruck so bewirkt werden, dass die beiderlei Felder gleichmässig verteilt sind.
Auf der Zeichnung stellt Fig. l in Ansicht ein Beispiel eines gemäss der Erfindung hergestellten
EMI2.1
auf jedem Haftpunkt b sitzt ein Rotkörnchen. Durch eingezeichnete punktierte Kreise ist angedeutet, wie die Körnchen der iibrigen Farben sich zwischen die haftenden Rotkörnchen lagern.
PATENT-ANSPRÜCHE :
EMI2.2
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
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<Desc / Clms Page number 2>
A glass plate coated with varnish and on top of it with sensitized albumin (albumin pre-set with potassium dichromate) is exposed under a negative of the adhesive point arrangement, covered with a water-insoluble adhesive and immersed in water, which dissolves all albumin that has remained soluble, so that only the point-like masses albumin that has become insoluble remain covered with adhesive. After that. cover with granules of the color to be distributed strictly symmetrically and proceed as described.
The method also includes the modification that, after the first color has been applied, the same procedure is followed for the second color and, if desired, for the third color by means of regularly distributed adhesive points. However, because of its costly nature, this method of execution must be restricted to those cases that require a strictly symmetrical distribution for each individual color.
Of course, the adhesive dots to be printed can be arranged in such a way that they are arranged in straight, broken or curved lines that are parallel to one another or that intersect, or that they produce a popular pattern. If the process is used to produce black and white grids, the imprint must be effected in such a way that the two fields are evenly distributed.
In the drawing, FIG. 1 shows a view of an example of one produced according to the invention
EMI2.1
a red grain sits on each sticking point b. By drawn dotted circles it is indicated how the grains of the remaining colors are sandwiched between the adhering red grains.
PATENT CLAIMS:
EMI2.2
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT43773T | 1908-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT43773B true AT43773B (en) | 1910-08-25 |
Family
ID=3563185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT43773D AT43773B (en) | 1908-10-03 | 1908-10-03 | Color photography grain grids and methods of making them. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT43773B (en) |
-
1908
- 1908-10-03 AT AT43773D patent/AT43773B/en active
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