GB2079968B - Colour compensation by reflectionpreventive films in optical system - Google Patents

Colour compensation by reflectionpreventive films in optical system

Info

Publication number
GB2079968B
GB2079968B GB8119201A GB8119201A GB2079968B GB 2079968 B GB2079968 B GB 2079968B GB 8119201 A GB8119201 A GB 8119201A GB 8119201 A GB8119201 A GB 8119201A GB 2079968 B GB2079968 B GB 2079968B
Authority
GB
United Kingdom
Prior art keywords
reflectionpreventive
films
optical system
colour compensation
colour
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
GB8119201A
Other versions
GB2079968A (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.)
Canon Inc
Original Assignee
Canon 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
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB2079968A publication Critical patent/GB2079968A/en
Application granted granted Critical
Publication of GB2079968B publication Critical patent/GB2079968B/en
Expired legal-status Critical Current

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
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G02B1/113—Anti-reflection coatings using inorganic layer materials only
    • G02B1/115—Multilayers

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Optical Filters (AREA)
GB8119201A 1980-06-30 1981-06-22 Colour compensation by reflectionpreventive films in optical system Expired GB2079968B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8871880A JPS5714812A (en) 1980-06-30 1980-06-30 Optical system for copying machine

Publications (2)

Publication Number Publication Date
GB2079968A GB2079968A (en) 1982-01-27
GB2079968B true GB2079968B (en) 1984-12-19

Family

ID=13950676

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8119201A Expired GB2079968B (en) 1980-06-30 1981-06-22 Colour compensation by reflectionpreventive films in optical system

Country Status (2)

Country Link
JP (1) JPS5714812A (en)
GB (1) GB2079968B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3275661D1 (en) * 1982-12-22 1987-04-16 Ibm Improved anti-reflection coating for visual display screens
JPS6378901U (en) * 1987-09-18 1988-05-25
JP2991554B2 (en) * 1990-11-09 1999-12-20 旭光学工業株式会社 Wide wavelength ghost prevention optical system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339146A (en) * 1976-09-22 1978-04-10 Ricoh Co Ltd Lens system

Also Published As

Publication number Publication date
GB2079968A (en) 1982-01-27
JPS5714812A (en) 1982-01-26

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010621