FR846992A - Improvements to processes for the production of polarizing materials - Google Patents

Improvements to processes for the production of polarizing materials

Info

Publication number
FR846992A
FR846992A FR846992DA FR846992A FR 846992 A FR846992 A FR 846992A FR 846992D A FR846992D A FR 846992DA FR 846992 A FR846992 A FR 846992A
Authority
FR
France
Prior art keywords
processes
production
polarizing materials
polarizing
materials
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
Other languages
French (fr)
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of FR846992A publication Critical patent/FR846992A/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
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR846992D 1937-12-04 1938-12-03 Improvements to processes for the production of polarizing materials Expired FR846992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US846992XA 1937-12-04 1937-12-04

Publications (1)

Publication Number Publication Date
FR846992A true FR846992A (en) 1939-09-28

Family

ID=22186668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846992D Expired FR846992A (en) 1937-12-04 1938-12-03 Improvements to processes for the production of polarizing materials

Country Status (1)

Country Link
FR (1) FR846992A (en)

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