CA1080524A - Fine-line diffractive subtractive color filters - Google Patents

Fine-line diffractive subtractive color filters

Info

Publication number
CA1080524A
CA1080524A CA288805A CA288805A CA1080524A CA 1080524 A CA1080524 A CA 1080524A CA 288805 A CA288805 A CA 288805A CA 288805 A CA288805 A CA 288805A CA 1080524 A CA1080524 A CA 1080524A
Authority
CA
Canada
Prior art keywords
line
plot
value
define
filter defined
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
Application number
CA288805A
Other languages
English (en)
French (fr)
Inventor
Karl Knop
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1080524A publication Critical patent/CA1080524A/en
Expired legal-status Critical Current

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)
CA288805A 1976-10-26 1977-10-14 Fine-line diffractive subtractive color filters Expired CA1080524A (en)

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 (1)

Publication Number Publication Date
CA1080524A true CA1080524A (en) 1980-07-01

Family

ID=10433095

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288805A Expired CA1080524A (en) 1976-10-26 1977-10-14 Fine-line diffractive subtractive color filters

Country Status (11)

Country Link
US (1) US4130347A (US06826419-20041130-M00005.png)
JP (1) JPS53146650A (US06826419-20041130-M00005.png)
AU (1) AU510962B2 (US06826419-20041130-M00005.png)
BE (1) BE860047A (US06826419-20041130-M00005.png)
CA (1) CA1080524A (US06826419-20041130-M00005.png)
CH (1) CH626178A5 (US06826419-20041130-M00005.png)
DE (1) DE2748064C3 (US06826419-20041130-M00005.png)
FR (1) FR2369580A1 (US06826419-20041130-M00005.png)
GB (1) GB1589766A (US06826419-20041130-M00005.png)
NL (1) NL7711688A (US06826419-20041130-M00005.png)
SE (1) SE442682B (US06826419-20041130-M00005.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
US4484797A (en) * 1981-07-20 1984-11-27 Rca Corporation Diffractive subtractive color filter responsive to angle of incidence of polychromatic illuminating light
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769111A (en) * 1951-07-25 1956-10-30 Philco Corp Optical system
JPS5222209B2 (US06826419-20041130-M00005.png) * 1972-06-23 1977-06-16
JPS5742849B2 (US06826419-20041130-M00005.png) * 1974-06-05 1982-09-10
US3957354A (en) * 1975-02-03 1976-05-18 Rca Corporation Diffractive subtractive color filtering technique
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

Also Published As

Publication number Publication date
NL7711688A (nl) 1978-04-28
AU2988277A (en) 1979-04-26
FR2369580A1 (fr) 1978-05-26
GB1589766A (en) 1981-05-20
JPS53146650A (en) 1978-12-20
DE2748064B2 (de) 1979-05-31
FR2369580B1 (US06826419-20041130-M00005.png) 1980-06-20
SE442682B (sv) 1986-01-20
JPS613411B2 (US06826419-20041130-M00005.png) 1986-02-01
DE2748064C3 (de) 1980-02-14
BE860047A (fr) 1978-02-15
SE7711491L (sv) 1978-04-27
CH626178A5 (US06826419-20041130-M00005.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
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