CH564783A5 - - Google Patents

Info

Publication number
CH564783A5
CH564783A5 CH1109773A CH1109773A CH564783A5 CH 564783 A5 CH564783 A5 CH 564783A5 CH 1109773 A CH1109773 A CH 1109773A CH 1109773 A CH1109773 A CH 1109773A CH 564783 A5 CH564783 A5 CH 564783A5
Authority
CH
Switzerland
Application number
CH1109773A
Original Assignee
Agfa Gevaert Ag
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 Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of CH564783A5 publication Critical patent/CH564783A5/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
CH1109773A 1972-08-05 1973-07-30 CH564783A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722238753 DE2238753C3 (de) 1972-08-05 1972-08-05 Verfahren und Vorrichtung zur Herstellung von Stufenlinsen

Publications (1)

Publication Number Publication Date
CH564783A5 true CH564783A5 (enrdf_load_stackoverflow) 1975-07-31

Family

ID=5852859

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1109773A CH564783A5 (enrdf_load_stackoverflow) 1972-08-05 1973-07-30

Country Status (3)

Country Link
CH (1) CH564783A5 (enrdf_load_stackoverflow)
DE (1) DE2238753C3 (enrdf_load_stackoverflow)
IT (1) IT990133B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107037512A (zh) * 2017-05-19 2017-08-11 首都师范大学 一种高效率衍射透镜

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1772567C3 (de) * 1968-06-04 1981-07-16 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zur Herstellung von Linsenrastern
DE2014982A1 (de) * 1969-04-04 1970-10-15 International Business Machines Corp., Armonk, N.Y. (V.St.A.) Verfahren zur Herstellung einer Fresnelschen Stufenlinse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107037512A (zh) * 2017-05-19 2017-08-11 首都师范大学 一种高效率衍射透镜
CN107037512B (zh) * 2017-05-19 2023-08-22 首都师范大学 一种高效率衍射透镜

Also Published As

Publication number Publication date
DE2238753A1 (de) 1974-02-14
DE2238753B2 (de) 1981-05-27
DE2238753C3 (de) 1982-02-18
IT990133B (it) 1975-06-20

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Legal Events

Date Code Title Description
PL Patent ceased
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