CA2450932A1 - Film optique - Google Patents

Film optique Download PDF

Info

Publication number
CA2450932A1
CA2450932A1 CA002450932A CA2450932A CA2450932A1 CA 2450932 A1 CA2450932 A1 CA 2450932A1 CA 002450932 A CA002450932 A CA 002450932A CA 2450932 A CA2450932 A CA 2450932A CA 2450932 A1 CA2450932 A1 CA 2450932A1
Authority
CA
Canada
Prior art keywords
optical film
structures
nominal
height
taught
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.)
Granted
Application number
CA002450932A
Other languages
English (en)
Other versions
CA2450932C (fr
Inventor
Alan B. Campbell
Sanford Cobb
Wade D. Kretman
Marvin J. Niezgocki
Timothy L. Hoopman
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.)
3M Co
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from CA002318790A external-priority patent/CA2318790C/fr
Publication of CA2450932A1 publication Critical patent/CA2450932A1/fr
Application granted granted Critical
Publication of CA2450932C publication Critical patent/CA2450932C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Polarising Elements (AREA)
CA002450932A 1998-02-18 1999-01-22 Film optique Expired - Lifetime CA2450932C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2518398A 1998-02-18 1998-02-18
US09/025183 1998-02-18
CA002318790A CA2318790C (fr) 1998-02-18 1999-01-22 Couche optique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002318790A Division CA2318790C (fr) 1998-02-18 1999-01-22 Couche optique

Publications (2)

Publication Number Publication Date
CA2450932A1 true CA2450932A1 (fr) 1999-08-26
CA2450932C CA2450932C (fr) 2005-09-20

Family

ID=31716494

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002450932A Expired - Lifetime CA2450932C (fr) 1998-02-18 1999-01-22 Film optique

Country Status (1)

Country Link
CA (1) CA2450932C (fr)

Also Published As

Publication number Publication date
CA2450932C (fr) 2005-09-20

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Legal Events

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MKEX Expiry

Effective date: 20190122