FR2369580A1 - Filtre chromatique soustractif sous forme de reseau de diffraction a traits serres - Google Patents
Filtre chromatique soustractif sous forme de reseau de diffraction a traits serresInfo
- Publication number
- FR2369580A1 FR2369580A1 FR7731970A FR7731970A FR2369580A1 FR 2369580 A1 FR2369580 A1 FR 2369580A1 FR 7731970 A FR7731970 A FR 7731970A FR 7731970 A FR7731970 A FR 7731970A FR 2369580 A1 FR2369580 A1 FR 2369580A1
- Authority
- FR
- France
- Prior art keywords
- subtractive
- diffraction
- periods
- green
- account
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/203—Filters having holographic or diffractive elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB44394/76A GB1589766A (en) | 1976-10-26 | 1976-10-26 | Fineline diffractive subtractive colour filters |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2369580A1 true FR2369580A1 (fr) | 1978-05-26 |
FR2369580B1 FR2369580B1 (US08088918-20120103-C00476.png) | 1980-06-20 |
Family
ID=10433095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7731970A Granted FR2369580A1 (fr) | 1976-10-26 | 1977-10-24 | Filtre chromatique soustractif sous forme de reseau de diffraction a traits serres |
Country Status (11)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2509873A1 (fr) * | 1981-07-20 | 1983-01-21 | Rca Corp | Filtre chromatique soustractif par diffraction sensible a l'angle d'incidence d'une lumiere polychromatique, procede d'utilisation et article protege des contrefacons par ce filtre |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2657246C2 (de) * | 1976-12-17 | 1978-09-28 | Hoechst Ag, 6000 Frankfurt | Original eines Informationsträgers, Verfahren zum Herstellen des Originals, Verfahren zum Herstellen einer Matrize zum Prägen des Originals sowie Informa tionsträger, der mit der Matrize hergestellt ist |
US4251137A (en) * | 1977-09-28 | 1981-02-17 | Rca Corporation | Tunable diffractive subtractive filter |
US4372649A (en) * | 1978-05-22 | 1983-02-08 | Minnesota Mining And Manufacturing Company | Extended area diffractive subtractive color filters |
US4255019A (en) * | 1979-04-09 | 1981-03-10 | Rca Corporation | Diffractive color filter |
US4255514A (en) * | 1979-04-27 | 1981-03-10 | Rca Corporation | Method for fabricating a diffractive subtractive filter embossing master |
US4506949A (en) * | 1983-05-27 | 1985-03-26 | Rca Corporation | Diffractive color separation filter |
US4979803A (en) * | 1989-02-02 | 1990-12-25 | Eastman Kodak Company | Color filter array for area image sensors |
US5600486A (en) * | 1995-01-30 | 1997-02-04 | Lockheed Missiles And Space Company, Inc. | Color separation microlens |
US6236508B1 (en) | 1999-03-03 | 2001-05-22 | The Boeing Company | Multicolor detector and focal plane array using diffractive lenses |
JP2004109417A (ja) * | 2002-09-18 | 2004-04-08 | Dainippon Printing Co Ltd | 光回折構造の製造方法、複製版材、及び媒体 |
EP1747099B2 (en) † | 2004-04-30 | 2017-09-20 | De La Rue International Limited | Arrays of microlenses and arrays of microimages on transparent security substrates |
TWI649586B (zh) * | 2017-07-20 | 2019-02-01 | Benq Materials Corporation | 光重導向膜及其製造方法 |
US10642057B2 (en) * | 2017-07-20 | 2020-05-05 | Benq Materials Corporation | Light redirecting film and method for manufacturing the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957354A (en) * | 1975-02-03 | 1976-05-18 | Rca Corporation | Diffractive subtractive color filtering technique |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2769111A (en) * | 1951-07-25 | 1956-10-30 | Philco Corp | Optical system |
JPS5222209B2 (US08088918-20120103-C00476.png) * | 1972-06-23 | 1977-06-16 | ||
JPS5742849B2 (US08088918-20120103-C00476.png) * | 1974-06-05 | 1982-09-10 | ||
US4057326A (en) * | 1976-05-27 | 1977-11-08 | Rca Corporation | Simplified and improved diffractive subtractive color filtering technique |
GB1538342A (en) * | 1976-01-19 | 1979-01-17 | Rca Corp | Structure and recording for diffractive relief images for zero-order read-out in black-and-white |
GB1537703A (en) * | 1976-01-27 | 1979-01-04 | Rca Corp | Fabrication of rectangular relief profiles in photoresist |
-
1976
- 1976-10-26 GB GB44394/76A patent/GB1589766A/en not_active Expired
-
1977
- 1977-10-11 US US05/841,057 patent/US4130347A/en not_active Expired - Lifetime
- 1977-10-12 SE SE7711491A patent/SE442682B/xx unknown
- 1977-10-14 CA CA288805A patent/CA1080524A/en not_active Expired
- 1977-10-20 AU AU29882/77A patent/AU510962B2/en not_active Expired
- 1977-10-24 BE BE182005A patent/BE860047A/xx not_active IP Right Cessation
- 1977-10-24 FR FR7731970A patent/FR2369580A1/fr active Granted
- 1977-10-25 JP JP12854277A patent/JPS53146650A/ja active Granted
- 1977-10-25 NL NL7711688A patent/NL7711688A/xx not_active Application Discontinuation
- 1977-10-26 DE DE2748064A patent/DE2748064C3/de not_active Expired
- 1977-10-26 CH CH1302377A patent/CH626178A5/de not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957354A (en) * | 1975-02-03 | 1976-05-18 | Rca Corporation | Diffractive subtractive color filtering technique |
Non-Patent Citations (1)
Title |
---|
NV2319/76 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2509873A1 (fr) * | 1981-07-20 | 1983-01-21 | Rca Corp | Filtre chromatique soustractif par diffraction sensible a l'angle d'incidence d'une lumiere polychromatique, procede d'utilisation et article protege des contrefacons par ce filtre |
Also Published As
Publication number | Publication date |
---|---|
NL7711688A (nl) | 1978-04-28 |
AU2988277A (en) | 1979-04-26 |
CA1080524A (en) | 1980-07-01 |
GB1589766A (en) | 1981-05-20 |
JPS53146650A (en) | 1978-12-20 |
DE2748064B2 (de) | 1979-05-31 |
FR2369580B1 (US08088918-20120103-C00476.png) | 1980-06-20 |
SE442682B (sv) | 1986-01-20 |
JPS613411B2 (US08088918-20120103-C00476.png) | 1986-02-01 |
DE2748064C3 (de) | 1980-02-14 |
BE860047A (fr) | 1978-02-15 |
SE7711491L (sv) | 1978-04-27 |
CH626178A5 (US08088918-20120103-C00476.png) | 1981-10-30 |
DE2748064A1 (de) | 1978-05-03 |
US4130347A (en) | 1978-12-19 |
AU510962B2 (en) | 1980-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |