JPS5772104A - Reflecting mirror - Google Patents

Reflecting mirror

Info

Publication number
JPS5772104A
JPS5772104A JP14774180A JP14774180A JPS5772104A JP S5772104 A JPS5772104 A JP S5772104A JP 14774180 A JP14774180 A JP 14774180A JP 14774180 A JP14774180 A JP 14774180A JP S5772104 A JPS5772104 A JP S5772104A
Authority
JP
Japan
Prior art keywords
film
support
metallic
metallic compound
succession
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.)
Pending
Application number
JP14774180A
Other languages
Japanese (ja)
Inventor
Rokuro Watabe
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP14774180A priority Critical patent/JPS5772104A/en
Publication of JPS5772104A publication Critical patent/JPS5772104A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
    • G02B5/085—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal
    • G02B5/0858—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal the reflecting layers comprising a single metallic layer with one or more dielectric layers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

PURPOSE:To obtain a solid and durable reflecting mirror having high reflectance and undergoing less change with the passage of time by laminating an alkali metallic silicate film, a light reflecting film and a colorless protective film made of metallic compound on a face of a support in succession. CONSTITUTION:An alkali metallic silicate film 2, a light reflecting film 3 and a colorless protective film made of metallic compound such as a protective film consisting of a metallic comound film 4 with a lower reflective index and a metallic compound film 5 with a higher refractive index are laminated on a face of a support 1 in succession. The support 1 is required to have a great affinity for the film 2, high formability and suitable rigidity, and the preferred material of the support 1 is Al or an Al alloy. As the film 3 a film of Al or other metal with high reflectance formed on the surface of the film 2 by vapor deposition is used.
JP14774180A 1980-10-22 1980-10-22 Reflecting mirror Pending JPS5772104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14774180A JPS5772104A (en) 1980-10-22 1980-10-22 Reflecting mirror

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14774180A JPS5772104A (en) 1980-10-22 1980-10-22 Reflecting mirror

Publications (1)

Publication Number Publication Date
JPS5772104A true JPS5772104A (en) 1982-05-06

Family

ID=15437088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14774180A Pending JPS5772104A (en) 1980-10-22 1980-10-22 Reflecting mirror

Country Status (1)

Country Link
JP (1) JPS5772104A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63298303A (en) * 1987-05-29 1988-12-06 Toshiba Electric Equip Corp Reflector
US5519542A (en) * 1993-06-21 1996-05-21 Central Glass Company, Limited Coating composition for preparing back coating film of mirror

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63298303A (en) * 1987-05-29 1988-12-06 Toshiba Electric Equip Corp Reflector
US5519542A (en) * 1993-06-21 1996-05-21 Central Glass Company, Limited Coating composition for preparing back coating film of mirror

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