FR2309905B1 - - Google Patents
Info
- Publication number
- FR2309905B1 FR2309905B1 FR7514052A FR7514052A FR2309905B1 FR 2309905 B1 FR2309905 B1 FR 2309905B1 FR 7514052 A FR7514052 A FR 7514052A FR 7514052 A FR7514052 A FR 7514052A FR 2309905 B1 FR2309905 B1 FR 2309905B1
- Authority
- FR
- France
- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
-
- 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
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
- G03F7/001—Phase modulating patterns, e.g. refractive index patterns
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7514052A FR2309905A1 (fr) | 1975-04-29 | 1975-04-29 | Procedes de fabrication de reseaux optiques echelettes et reseaux obtenus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7514052A FR2309905A1 (fr) | 1975-04-29 | 1975-04-29 | Procedes de fabrication de reseaux optiques echelettes et reseaux obtenus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2309905A1 FR2309905A1 (fr) | 1976-11-26 |
| FR2309905B1 true FR2309905B1 (enExample) | 1980-03-14 |
Family
ID=9154878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514052A Granted FR2309905A1 (fr) | 1975-04-29 | 1975-04-29 | Procedes de fabrication de reseaux optiques echelettes et reseaux obtenus |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2309905A1 (enExample) |
-
1975
- 1975-04-29 FR FR7514052A patent/FR2309905A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2309905A1 (fr) | 1976-11-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |