FR2192903B1 - - Google Patents

Info

Publication number
FR2192903B1
FR2192903B1 FR7326029A FR7326029A FR2192903B1 FR 2192903 B1 FR2192903 B1 FR 2192903B1 FR 7326029 A FR7326029 A FR 7326029A FR 7326029 A FR7326029 A FR 7326029A FR 2192903 B1 FR2192903 B1 FR 2192903B1
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
FR7326029A
Other languages
French (fr)
Other versions
FR2192903A1 (en
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.)
Union Carbide Corp
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of FR2192903A1 publication Critical patent/FR2192903A1/fr
Application granted granted Critical
Publication of FR2192903B1 publication Critical patent/FR2192903B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/0074Production of other optical elements not provided for in B29D11/00009- B29D11/0073

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Polymerisation Methods In General (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Physical Vapour Deposition (AREA)
FR7326029A 1972-07-17 1973-07-16 Expired FR2192903B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27241972A 1972-07-17 1972-07-17

Publications (2)

Publication Number Publication Date
FR2192903A1 FR2192903A1 (en) 1974-02-15
FR2192903B1 true FR2192903B1 (en) 1976-06-18

Family

ID=23039722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7326029A Expired FR2192903B1 (en) 1972-07-17 1973-07-16

Country Status (6)

Country Link
JP (1) JPS5237479B2 (en)
BE (1) BE802393A (en)
FR (1) FR2192903B1 (en)
GB (1) GB1417749A (en)
IT (1) IT991217B (en)
NL (1) NL7309873A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1100615A (en) * 1974-06-29 1981-05-05 Kazuo Totani Liquid crystal electro-optical device
EP1672394B1 (en) * 2004-12-16 2007-04-18 Ecole d'Ingénieurs ARC Method for producing a device having a plastic membrane and device so manufactured

Also Published As

Publication number Publication date
BE802393A (en) 1974-01-16
FR2192903A1 (en) 1974-02-15
GB1417749A (en) 1975-12-17
NL7309873A (en) 1974-01-21
JPS4944044A (en) 1974-04-25
DE2335436B2 (en) 1976-05-06
DE2335436A1 (en) 1974-01-31
IT991217B (en) 1975-07-30
JPS5237479B2 (en) 1977-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse