DE3277551D1 - Method for the manufacture of a thin optical membrane - Google Patents

Method for the manufacture of a thin optical membrane

Info

Publication number
DE3277551D1
DE3277551D1 DE8282306422T DE3277551T DE3277551D1 DE 3277551 D1 DE3277551 D1 DE 3277551D1 DE 8282306422 T DE8282306422 T DE 8282306422T DE 3277551 T DE3277551 T DE 3277551T DE 3277551 D1 DE3277551 D1 DE 3277551D1
Authority
DE
Germany
Prior art keywords
manufacture
thin optical
optical membrane
membrane
thin
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
DE8282306422T
Other languages
German (de)
English (en)
Inventor
Ray Winn
Ronald S Hershel
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.)
Advanced Semiconductor Products Inc
Original Assignee
Advanced Semiconductor Products Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26985431&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3277551(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US06/326,488 external-priority patent/US4453828A/en
Priority claimed from US06/326,489 external-priority patent/US4378953A/en
Application filed by Advanced Semiconductor Products Inc filed Critical Advanced Semiconductor Products Inc
Application granted granted Critical
Publication of DE3277551D1 publication Critical patent/DE3277551D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • 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
    • B29D11/00634—Production of filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Polarising Elements (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Moulding By Coating Moulds (AREA)
DE8282306422T 1981-12-02 1982-12-02 Method for the manufacture of a thin optical membrane Expired DE3277551D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/326,488 US4453828A (en) 1981-12-02 1981-12-02 Apparatus and methods for measuring the optical thickness and index of refraction of thin, optical membranes
US06/326,489 US4378953A (en) 1981-12-02 1981-12-02 Thin, optical membranes and methods and apparatus for making them

Publications (1)

Publication Number Publication Date
DE3277551D1 true DE3277551D1 (en) 1987-12-03

Family

ID=26985431

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8282306422T Expired DE3277551D1 (en) 1981-12-02 1982-12-02 Method for the manufacture of a thin optical membrane
DE1982306422 Pending DE84221T1 (de) 1981-12-02 1982-12-02 Duenne optische membranen, sowie methode und vorrichtung zu ihrer herstellung sowie messung von dicke und brechungsindex.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1982306422 Pending DE84221T1 (de) 1981-12-02 1982-12-02 Duenne optische membranen, sowie methode und vorrichtung zu ihrer herstellung sowie messung von dicke und brechungsindex.

Country Status (3)

Country Link
EP (1) EP0084221B1 (enExample)
JP (1) JPH02196905A (enExample)
DE (2) DE3277551D1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0249476B1 (en) * 1986-06-12 1994-08-10 Mitsui Petrochemical Industries, Ltd. Process for preparation of cellulose ester films
JP4398522B2 (ja) * 1997-05-22 2010-01-13 バスフ・ヒュエル・セル・ゲーエムベーハー 燃料電池用高分子電解質膜の製造方法及び燃料電池
DE102007043937B4 (de) * 2006-09-13 2010-10-07 Innovent E.V. Verfahren zur Bestimmung der Dicke und des Brechungsindex von optisch transparenten Schichten auf optisch transparenten planparallelen Substraten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570273A (en) * 1948-09-20 1951-10-09 Paul L Pryor Method of making optical pellicles
US2897544A (en) * 1953-06-16 1959-08-04 Mortimer M Marks Machine for the continuous casting of films directly from solution
GB1089358A (en) * 1965-11-03 1967-11-01 Standard Telephones Cables Ltd Method of making free thin films
DE2448294A1 (de) * 1974-10-10 1976-04-22 Bbc Brown Boveri & Cie Verfahren und vorrichtung zur bestimmung von schichtdicke und brechungsindex von duennen durchsichtigen schichten
JPS533363A (en) * 1976-06-30 1978-01-13 Canon Inc Measurement method and measurement device

Also Published As

Publication number Publication date
JPH0579922B2 (enExample) 1993-11-05
DE84221T1 (de) 1986-08-14
JPH02196905A (ja) 1990-08-03
EP0084221B1 (en) 1987-10-28
EP0084221A1 (en) 1983-07-27

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation