BE459968A - - Google Patents
Info
- Publication number
- BE459968A BE459968A BE459968DA BE459968A BE 459968 A BE459968 A BE 459968A BE 459968D A BE459968D A BE 459968DA BE 459968 A BE459968 A BE 459968A
- 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
- G03F5/24—Screening processes; Screens therefor by multiple exposure, e.g. combined processes for line photo and screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH913534X | 1943-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE459968A true BE459968A (cs) |
Family
ID=4547637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE459968D BE459968A (cs) | 1943-11-19 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE459968A (cs) |
| CH (1) | CH238158A (cs) |
| FR (1) | FR913534A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2440019A1 (fr) * | 1978-10-23 | 1980-05-23 | Perquis Pierre Claude | Procede helio-btnc |
-
0
- BE BE459968D patent/BE459968A/xx unknown
-
1943
- 1943-11-19 CH CH238158D patent/CH238158A/de unknown
-
1945
- 1945-08-22 FR FR913534D patent/FR913534A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH238158A (de) | 1945-06-30 |
| FR913534A (fr) | 1946-09-12 |