JPS5772104A - Reflecting mirror - Google Patents
Reflecting mirrorInfo
- 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
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.
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)
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 |
-
1980
- 1980-10-22 JP JP14774180A patent/JPS5772104A/en active Pending
Cited By (2)
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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