FR1578903A - - Google Patents

Info

Publication number
FR1578903A
FR1578903A FR1578903DA FR1578903A FR 1578903 A FR1578903 A FR 1578903A FR 1578903D A FR1578903D A FR 1578903DA FR 1578903 A FR1578903 A FR 1578903A
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
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1578903A publication Critical patent/FR1578903A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
FR1578903D 1968-05-02 1968-05-02 Expired FR1578903A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR150334 1968-05-02

Publications (1)

Publication Number Publication Date
FR1578903A true FR1578903A (ja) 1969-08-22

Family

ID=8649732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1578903D Expired FR1578903A (ja) 1968-05-02 1968-05-02

Country Status (1)

Country Link
FR (1) FR1578903A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2228630A1 (ja) * 1973-05-10 1974-12-06 United Kingdom Government

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2228630A1 (ja) * 1973-05-10 1974-12-06 United Kingdom Government

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Legal Events

Date Code Title Description
ST Notification of lapse