BE424041A - - Google Patents
Info
- Publication number
- BE424041A BE424041A BE424041DA BE424041A BE 424041 A BE424041 A BE 424041A BE 424041D A BE424041D A BE 424041DA BE 424041 A BE424041 A BE 424041A
- Authority
- BE
- Belgium
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
- G03F5/00—Screening processes; Screens therefor
- G03F5/02—Screening processes; Screens therefor by projection methods
- G03F5/06—Screening processes; Screens therefor by projection methods changing the diaphragm effect
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3542836A GB489374A (en) | 1936-12-24 | 1936-12-24 | Improvements relating to the production of autotype pictures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE424041A true BE424041A (ja�@�@) |
Family
ID=10377595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE424041D BE424041A (ja�@�@) | 1936-12-24 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE424041A (ja�@�@) |
| FR (1) | FR48877E (ja�@�@) |
| GB (1) | GB489374A (ja�@�@) |
-
0
- BE BE424041D patent/BE424041A/xx unknown
-
1936
- 1936-12-24 GB GB3542836A patent/GB489374A/en not_active Expired
-
1937
- 1937-10-04 FR FR48877D patent/FR48877E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB489374A (en) | 1938-07-25 |
| FR48877E (fr) | 1938-09-19 |