BE727728A - - Google Patents
Info
- Publication number
- BE727728A BE727728A BE727728DA BE727728A BE 727728 A BE727728 A BE 727728A BE 727728D A BE727728D A BE 727728DA BE 727728 A BE727728 A BE 727728A
- 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
- G03F5/16—Screening processes; Screens therefor by contact methods using grey half-tone screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3586168 | 1968-03-27 | ||
| IT3847068 | 1968-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727728A true BE727728A (en]) | 1969-07-01 |
Family
ID=26329019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727728D BE727728A (en]) | 1968-03-27 | 1969-01-31 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT294137B (en]) |
| BE (1) | BE727728A (en]) |
| CH (1) | CH498427A (en]) |
| DK (1) | DK133206C (en]) |
| FR (1) | FR1598313A (en]) |
| GB (1) | GB1236626A (en]) |
| NL (1) | NL6903196A (en]) |
| SE (1) | SE357268B (en]) |
-
1968
- 1968-11-08 GB GB5316768A patent/GB1236626A/en not_active Expired
- 1968-12-05 FR FR1598313D patent/FR1598313A/fr not_active Expired
-
1969
- 1969-01-29 CH CH136769A patent/CH498427A/it not_active IP Right Cessation
- 1969-01-31 BE BE727728D patent/BE727728A/xx unknown
- 1969-02-20 AT AT172169A patent/AT294137B/de not_active IP Right Cessation
- 1969-02-28 NL NL6903196A patent/NL6903196A/xx unknown
- 1969-03-18 SE SE373669A patent/SE357268B/xx unknown
- 1969-03-19 DK DK150969A patent/DK133206C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| NL6903196A (en]) | 1969-09-30 |
| FR1598313A (en]) | 1970-07-06 |
| DK133206B (da) | 1976-04-05 |
| SE357268B (en]) | 1973-06-18 |
| AT294137B (de) | 1971-10-15 |
| GB1236626A (en) | 1971-06-23 |
| CH498427A (it) | 1970-10-31 |
| DK133206C (da) | 1976-09-06 |