BE472505A - - Google Patents
Info
- Publication number
- BE472505A BE472505A BE472505DA BE472505A BE 472505 A BE472505 A BE 472505A BE 472505D A BE472505D A BE 472505DA BE 472505 A BE472505 A BE 472505A
- 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
- G03F5/14—Screening processes; Screens therefor by contact methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH944970X | 1946-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472505A true BE472505A (en:Method) |
Family
ID=4549691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472505D BE472505A (en:Method) | 1946-04-30 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE472505A (en:Method) |
| FR (1) | FR944970A (en:Method) |
-
0
- BE BE472505D patent/BE472505A/xx unknown
-
1947
- 1947-04-10 FR FR944970D patent/FR944970A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR944970A (fr) | 1949-04-21 |