FR851225A - Feuille à dessin se prêtant au calquage - Google Patents
Feuille à dessin se prêtant au calquageInfo
- Publication number
- FR851225A FR851225A FR851225DA FR851225A FR 851225 A FR851225 A FR 851225A FR 851225D A FR851225D A FR 851225DA FR 851225 A FR851225 A FR 851225A
- Authority
- FR
- France
- Prior art keywords
- tracing
- drawing sheet
- sheet suitable
- sheet
- Prior art date
- 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
- 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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE851225X | 1938-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR851225A true FR851225A (fr) | 1940-01-05 |
Family
ID=6780348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR851225D Expired FR851225A (fr) | 1938-03-17 | 1939-03-06 | Feuille à dessin se prêtant au calquage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR851225A (fr) |
-
1939
- 1939-03-06 FR FR851225D patent/FR851225A/fr not_active Expired
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