BE450689A - - Google Patents
Info
- Publication number
- BE450689A BE450689A BE450689DA BE450689A BE 450689 A BE450689 A BE 450689A BE 450689D A BE450689D A BE 450689DA BE 450689 A BE450689 A BE 450689A
- 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
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/04—Chromates
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE234372X | 1942-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE450689A true BE450689A (fi) |
Family
ID=5891112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE450689D BE450689A (fi) | 1942-07-24 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE450689A (fi) |
| CH (1) | CH234372A (fi) |
| FR (1) | FR894515A (fi) |
-
0
- BE BE450689D patent/BE450689A/xx unknown
-
1943
- 1943-03-29 CH CH234372D patent/CH234372A/de unknown
- 1943-05-08 FR FR894515D patent/FR894515A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH234372A (de) | 1944-09-30 |
| FR894515A (fr) | 1944-12-27 |