FR887306A - - Google Patents
Info
- Publication number
- FR887306A FR887306A FR887306DA FR887306A FR 887306 A FR887306 A FR 887306A FR 887306D A FR887306D A FR 887306DA FR 887306 A FR887306 A FR 887306A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE230925X | 1940-08-09 | ||
| DE200940X | 1940-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR887306A true FR887306A (en) | 1943-11-10 |
Family
ID=25758724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR887306D Expired FR887306A (en) | 1940-08-09 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH230925A (en) |
| FR (1) | FR887306A (en) |
-
0
- FR FR887306D patent/FR887306A/fr not_active Expired
-
1941
- 1941-12-30 CH CH230925D patent/CH230925A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH230925A (en) | 1944-02-15 |