BE802393A - Procede de production de pellicules non uniformes a l'aide de plusieurs plaques de moule - Google Patents

Procede de production de pellicules non uniformes a l'aide de plusieurs plaques de moule

Info

Publication number
BE802393A
BE802393A BE133521A BE133521A BE802393A BE 802393 A BE802393 A BE 802393A BE 133521 A BE133521 A BE 133521A BE 133521 A BE133521 A BE 133521A BE 802393 A BE802393 A BE 802393A
Authority
BE
Belgium
Prior art keywords
mold plates
producing non
uniform films
several mold
several
Prior art date
Application number
BE133521A
Other languages
English (en)
French (fr)
Inventor
M A Spivack
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 BE802393A publication Critical patent/BE802393A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073

Landscapes

  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (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)
BE133521A 1972-07-17 1973-07-16 Procede de production de pellicules non uniformes a l'aide de plusieurs plaques de moule BE802393A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE802393A true BE802393A (fr) 1974-01-16

Family

ID=23039722

Family Applications (1)

Application Number Title Priority Date Filing Date
BE133521A BE802393A (fr) 1972-07-17 1973-07-16 Procede de production de pellicules non uniformes a l'aide de plusieurs plaques de moule

Country Status (6)

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

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
ATE360224T1 (de) * 2004-12-16 2007-05-15 Ecole D Ingenieurs Arc Verfahren zur herstellung einer vorrichtung mit einer kunststoffmembran und so erhaltene vorrichtung

Also Published As

Publication number Publication date
NL7309873A (OSRAM) 1974-01-21
FR2192903B1 (OSRAM) 1976-06-18
DE2335436B2 (de) 1976-05-06
FR2192903A1 (OSRAM) 1974-02-15
DE2335436A1 (de) 1974-01-31
IT991217B (it) 1975-07-30
JPS4944044A (OSRAM) 1974-04-25
JPS5237479B2 (OSRAM) 1977-09-22
GB1417749A (en) 1975-12-17

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