GB544034A - Improvements in or relating to photomechanical printing processes employing half-tone screens - Google Patents
Improvements in or relating to photomechanical printing processes employing half-tone screensInfo
- Publication number
- GB544034A GB544034A GB10467/40A GB1046740A GB544034A GB 544034 A GB544034 A GB 544034A GB 10467/40 A GB10467/40 A GB 10467/40A GB 1046740 A GB1046740 A GB 1046740A GB 544034 A GB544034 A GB 544034A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- screen
- tone
- contrast
- record
- 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
- 238000000034 method Methods 0.000 title abstract 5
- 230000033458 reproduction Effects 0.000 abstract 8
- 229910052709 silver Inorganic materials 0.000 abstract 5
- 239000004332 silver Substances 0.000 abstract 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 4
- 239000003086 colorant Substances 0.000 abstract 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 238000009792 diffusion process Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 230000007935 neutral effect Effects 0.000 abstract 2
- 230000010287 polarization Effects 0.000 abstract 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
- XTBFKMDOQMQYPP-UHFFFAOYSA-N 4-n,4-n-diethylbenzene-1,4-diamine;hydron;chloride Chemical compound Cl.CCN(CC)C1=CC=C(N)C=C1 XTBFKMDOQMQYPP-UHFFFAOYSA-N 0.000 abstract 1
- MYPAMGFTHVEING-UHFFFAOYSA-N 5-methyl-2-(4-nitrophenyl)-4h-pyrazol-3-one Chemical compound O=C1CC(C)=NN1C1=CC=C([N+]([O-])=O)C=C1 MYPAMGFTHVEING-UHFFFAOYSA-N 0.000 abstract 1
- 239000001828 Gelatine Substances 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 238000004040 coloring Methods 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 230000031700 light absorption Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- -1 silver halide Chemical class 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F5/00—Screening processes; Screens therefor
- G03F5/14—Screening processes; Screens therefor by contact methods
- G03F5/16—Screening processes; Screens therefor by contact methods using grey half-tone screens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F5/00—Screening processes; Screens therefor
- G03F5/14—Screening processes; Screens therefor by contact methods
- G03F5/18—Screening processes; Screens therefor by contact methods using colour half-tone screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Projection-Type Copiers In General (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US330566A US2304988A (en) | 1940-04-19 | 1940-04-19 | Photomechanical reproduction |
| GB10466/40A GB544033A (en) | 1940-04-19 | 1940-06-17 | Improvements in or relating to half-tone screens for photomechanical printing processes |
| US426494A US2311071A (en) | 1940-04-19 | 1942-01-12 | Halftone screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB544034A true GB544034A (en) | 1942-03-25 |
Family
ID=27256528
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10467/40A Expired GB544034A (en) | 1940-04-19 | 1940-06-17 | Improvements in or relating to photomechanical printing processes employing half-tone screens |
| GB10466/40A Expired GB544033A (en) | 1940-04-19 | 1940-06-17 | Improvements in or relating to half-tone screens for photomechanical printing processes |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10466/40A Expired GB544033A (en) | 1940-04-19 | 1940-06-17 | Improvements in or relating to half-tone screens for photomechanical printing processes |
Country Status (3)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3332775A (en) * | 1963-11-25 | 1967-07-25 | Interdia G M B H | Method for the photographic production of an original for printing purposes with the aid of a line screen |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2373489A (en) * | 1941-10-18 | 1945-04-10 | Halftone photoengraving process | |
| US2441609A (en) * | 1944-04-18 | 1948-05-18 | Anne F Goddard | Printing surfaces and photomechanical reproduction generally |
| US2458437A (en) * | 1945-04-20 | 1949-01-04 | Eastman Kodak Co | Photographic gamma control |
| US2478444A (en) * | 1946-05-18 | 1949-08-09 | Eastman Kodak Co | Manufacture of photographic contact screens |
| US2628903A (en) * | 1950-06-10 | 1953-02-17 | Publication Corp | Preparation of printing plates and cylinders with chloro-bromide resist-forming film |
| DE1024279B (de) * | 1953-10-05 | 1958-02-13 | Fahr Ag Maschf | An einem Schlepper angebrachtes und von ihm angetriebenes rotierendes Hackgeraet |
| US3085878A (en) * | 1958-09-29 | 1963-04-16 | Rochester Inst Tech | Half-tone screen for color separation |
| DE1119669B (de) * | 1958-12-27 | 1961-12-14 | Agfa Ag | Kontaktraster fuer die Reproduktions-Photographie und ihre Herstellung |
| US3132946A (en) * | 1960-01-11 | 1964-05-12 | Eastman Kodak Co | Contact screens for photogravure |
| US3300308A (en) * | 1962-10-16 | 1967-01-24 | Jemseby Anton Wilhelm | Method of making halftone reproductions |
| GB1561566A (en) * | 1977-04-15 | 1980-02-27 | Dainippon Printing Co Ltd | Gravure proof-printing method |
| US4272186A (en) * | 1979-05-21 | 1981-06-09 | Polaroid Corporation | Camera method and apparatus for recording with selected contrast |
| US4458002A (en) * | 1982-06-30 | 1984-07-03 | Agfa-Gevaert, N.V. | Method and materials for improving the color balance of photographic multicolor images using contact screen |
| US5014086A (en) * | 1989-03-31 | 1991-05-07 | E. I. Du Pont De Nemours And Company | Adjustable dot gain simulation for color proofing |
| US6868231B2 (en) | 2002-06-12 | 2005-03-15 | Eastman Kodak Company | Imaging using silver halide films with micro-lens capture and optical reconstruction |
| US7260323B2 (en) * | 2002-06-12 | 2007-08-21 | Eastman Kodak Company | Imaging using silver halide films with micro-lens capture, scanning and digital reconstruction |
| US6640057B1 (en) | 2002-10-28 | 2003-10-28 | Eastman Kodak Company | Imaging using silver halide films with inverse mounted micro-lens and spacer |
| US7423679B2 (en) * | 2002-12-20 | 2008-09-09 | Eastman Kodak Company | Imaging system having extended useful latitude |
| US6801719B1 (en) * | 2003-03-14 | 2004-10-05 | Eastman Kodak Company | Camera using beam splitter with micro-lens image amplification |
| US7310477B2 (en) * | 2003-08-26 | 2007-12-18 | Eastman Kodak Company | Photographic film cartridge or cassette systems with microlens |
| US6950608B2 (en) | 2003-12-23 | 2005-09-27 | Eastman Kodak Company | Capture of multiple interlaced images on a single film frame using micro-lenses and method of providing multiple images to customers |
| WO2017006756A1 (ja) * | 2015-07-09 | 2017-01-12 | オリンパス株式会社 | 色素測定装置および色素測定方法 |
-
1940
- 1940-04-19 US US330566A patent/US2304988A/en not_active Expired - Lifetime
- 1940-06-17 GB GB10467/40A patent/GB544034A/en not_active Expired
- 1940-06-17 GB GB10466/40A patent/GB544033A/en not_active Expired
-
1942
- 1942-01-12 US US426494A patent/US2311071A/en not_active Expired - Lifetime
-
1943
- 1943-12-09 FR FR917589D patent/FR917589A/fr not_active Expired
-
1947
- 1947-07-31 FR FR956749D patent/FR956749A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3332775A (en) * | 1963-11-25 | 1967-07-25 | Interdia G M B H | Method for the photographic production of an original for printing purposes with the aid of a line screen |
Also Published As
| Publication number | Publication date |
|---|---|
| US2311071A (en) | 1943-02-16 |
| GB544033A (en) | 1942-03-25 |
| FR917589A (fr) | 1947-01-15 |
| US2304988A (en) | 1942-12-15 |
| FR956749A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1950-02-06 |
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