NL74187C - - Google Patents
Info
- Publication number
- NL74187C NL74187C NL74187DA NL74187C NL 74187 C NL74187 C NL 74187C NL 74187D A NL74187D A NL 74187DA NL 74187 C NL74187 C NL 74187C
- Authority
- NL
- Netherlands
Links
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
- G03F3/00—Colour separation; Correction of tonal value
-
- 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
- G03F3/00—Colour separation; Correction of tonal value
- G03F3/04—Colour separation; Correction of tonal value by photographic means
- G03F3/06—Colour separation; Correction of tonal value by photographic means by masking
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8736/42A GB560145A (en) | 1942-06-25 | 1942-06-25 | Improvements relating to the production of photo-mechanical printing surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74187C true NL74187C (en(2012)) |
Family
ID=9858274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74187D NL74187C (en(2012)) | 1942-06-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2388107A (en(2012)) |
| CH (1) | CH254553A (en(2012)) |
| FR (1) | FR945924A (en(2012)) |
| GB (1) | GB560145A (en(2012)) |
| NL (1) | NL74187C (en(2012)) |
-
0
- NL NL74187D patent/NL74187C/xx active
-
1942
- 1942-06-25 GB GB8736/42A patent/GB560145A/en not_active Expired
-
1943
- 1943-06-22 US US491814A patent/US2388107A/en not_active Expired - Lifetime
- 1943-07-14 CH CH254553D patent/CH254553A/fr unknown
-
1947
- 1947-04-28 FR FR945924D patent/FR945924A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH254553A (fr) | 1948-05-15 |
| GB560145A (en) | 1944-03-22 |
| FR945924A (fr) | 1949-05-18 |
| US2388107A (en) | 1945-10-30 |