BE721587A - - Google Patents
Info
- Publication number
- BE721587A BE721587A BE721587DA BE721587A BE 721587 A BE721587 A BE 721587A BE 721587D A BE721587D A BE 721587DA BE 721587 A BE721587 A BE 721587A
- 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
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/54—Absorbers, e.g. of opaque materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Surface Treatment Of Glass (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67183067A | 1967-09-29 | 1967-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE721587A true BE721587A (en) | 1969-03-27 |
Family
ID=24696032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE721587D BE721587A (en) | 1967-09-29 | 1968-09-27 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS534227B1 (en) |
| BE (1) | BE721587A (en) |
| DE (1) | DE1797445A1 (en) |
| FR (1) | FR1585520A (en) |
| GB (1) | GB1209380A (en) |
| SE (1) | SE349222B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5773428A (en) * | 1980-10-21 | 1982-05-08 | Tektronix Inc | Power source circuit |
-
1968
- 1968-09-24 SE SE1287668A patent/SE349222B/xx unknown
- 1968-09-27 GB GB4591268A patent/GB1209380A/en not_active Expired
- 1968-09-27 FR FR1585520D patent/FR1585520A/fr not_active Expired
- 1968-09-27 BE BE721587D patent/BE721587A/xx unknown
- 1968-09-28 DE DE19681797445 patent/DE1797445A1/en active Pending
- 1968-09-28 JP JP6987968A patent/JPS534227B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1797445A1 (en) | 1971-09-09 |
| FR1585520A (en) | 1970-01-23 |
| GB1209380A (en) | 1970-10-21 |
| SE349222B (en) | 1972-09-18 |
| JPS534227B1 (en) | 1978-02-15 |