NL7253C - - Google Patents
Info
- Publication number
- NL7253C NL7253C NL15242A NL15242A NL7253C NL 7253 C NL7253 C NL 7253C NL 15242 A NL15242 A NL 15242A NL 15242 A NL15242 A NL 15242A NL 7253 C NL7253 C NL 7253C
- Authority
- NL
- Netherlands
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
- G03F5/02—Screening processes; Screens therefor by projection methods
- G03F5/04—Screening processes; Screens therefor by projection methods changing the screen effect
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/152—Making camera copy, e.g. mechanical negative
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Screen Printers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR510105T | 1919-06-24 | ||
| US391118A US1524499A (en) | 1919-06-24 | 1920-06-23 | Photochromographical process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7253C true NL7253C (de) | 1922-07-15 |
Family
ID=26214659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL15242A NL7253C (de) | 1919-06-24 | 1920-06-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1524499A (de) |
| DE (1) | DE342698C (de) |
| FR (1) | FR510105A (de) |
| GB (1) | GB146143A (de) |
| NL (1) | NL7253C (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2473023A (en) * | 1944-09-11 | 1949-06-14 | Joseph Gelb | Halftone screen holder |
| US3158479A (en) * | 1963-03-14 | 1964-11-24 | Pluess Lithograph Co | Method of production halftones |
-
1919
- 1919-06-24 FR FR510105A patent/FR510105A/fr not_active Expired
-
1920
- 1920-06-22 NL NL15242A patent/NL7253C/xx active
- 1920-06-23 US US391118A patent/US1524499A/en not_active Expired - Lifetime
- 1920-06-24 GB GB17190/20A patent/GB146143A/en not_active Expired
- 1920-06-29 DE DE1920342698D patent/DE342698C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR510105A (fr) | 1920-11-27 |
| GB146143A (en) | 1921-09-15 |
| DE342698C (de) | 1921-10-24 |
| US1524499A (en) | 1925-01-27 |