DE2967536D1 - A method of manufacturing a curved diffraction grating structure - Google Patents
A method of manufacturing a curved diffraction grating structureInfo
- Publication number
- DE2967536D1 DE2967536D1 DE8282100228T DE2967536T DE2967536D1 DE 2967536 D1 DE2967536 D1 DE 2967536D1 DE 8282100228 T DE8282100228 T DE 8282100228T DE 2967536 T DE2967536 T DE 2967536T DE 2967536 D1 DE2967536 D1 DE 2967536D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacturing
- diffraction grating
- grating structure
- curved diffraction
- curved
- 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
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8734478A JPS5515133A (en) | 1978-07-18 | 1978-07-18 | Production of plane diffraction grating |
JP4051779A JPS55133004A (en) | 1979-04-04 | 1979-04-04 | Production of nonplane diffraction grating |
JP4166979A JPS5946363B2 (en) | 1979-04-06 | 1979-04-06 | Manufacturing method of plane diffraction grating |
EP79102442A EP0007108B1 (en) | 1978-07-18 | 1979-07-16 | A method of manufacturing a diffraction grating structure |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2967536D1 true DE2967536D1 (en) | 1985-11-28 |
Family
ID=27440186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282100228T Expired DE2967536D1 (en) | 1978-07-18 | 1979-07-16 | A method of manufacturing a curved diffraction grating structure |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2967536D1 (en) |
-
1979
- 1979-07-16 DE DE8282100228T patent/DE2967536D1/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO, |
|
8364 | No opposition during term of opposition |