JPS5657001A - Reflection preventing film - Google Patents
Reflection preventing filmInfo
- Publication number
- JPS5657001A JPS5657001A JP13257879A JP13257879A JPS5657001A JP S5657001 A JPS5657001 A JP S5657001A JP 13257879 A JP13257879 A JP 13257879A JP 13257879 A JP13257879 A JP 13257879A JP S5657001 A JPS5657001 A JP S5657001A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- mgf
- preventing film
- reflection preventing
- vapor deposited
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/78—Coatings specially designed to be durable, e.g. scratch-resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
PURPOSE: To obtain a reflection preventing film with high endurance even if MgF2 is vapor deposited at a relatively low temp. by forming a metal layer on an Al2O3 layer and further forming an MgF2 layer as the uppermost layer.
CONSTITUTION: For example, white plate glass 30 is heated to 200°C and plasma treated under 1×10-5 Torr, and Al2O3 layer 31, ZrO2 layer 32, Al2O3 layer 33, Cr layer 34 and MgF2 layer 35 are vapor deposited with electron beams in order. A reflection preventing film may be formed on a transparent synthetic resin such as a diethylene carbonate lens as follows: SiO2 layer 51, Al2O3 layer 52, ZrO2 layer 53, Al2O3 layer 54 and Mo layer 55 are vapor deposited on lens 50 in order by heating with electron beams without especially heating substrate 50, and MgF2 layer 56 is coated in Ar plasma under 4×10-5 Torr. Thus, by forming the MgF2 layer on the combined Al2O3 and metal layers at about 200°C, a reflection preventing film with superior hardness, weather resistance, etc. is obtd. even on such a plastic substrate.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54132578A JPS6042442B2 (en) | 1979-10-15 | 1979-10-15 | anti-reflection film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54132578A JPS6042442B2 (en) | 1979-10-15 | 1979-10-15 | anti-reflection film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5657001A true JPS5657001A (en) | 1981-05-19 |
JPS6042442B2 JPS6042442B2 (en) | 1985-09-21 |
Family
ID=15084592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54132578A Expired JPS6042442B2 (en) | 1979-10-15 | 1979-10-15 | anti-reflection film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6042442B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60252301A (en) * | 1984-05-29 | 1985-12-13 | Asahi Glass Co Ltd | Optical body having improved heat resistance |
JPH0622890U (en) * | 1992-08-18 | 1994-03-25 | 株式会社八光電機製作所 | Dryer for paddy rice without cracks |
US5982547A (en) * | 1997-01-29 | 1999-11-09 | Alps Electric Co., Ltd. | Optical filter |
-
1979
- 1979-10-15 JP JP54132578A patent/JPS6042442B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60252301A (en) * | 1984-05-29 | 1985-12-13 | Asahi Glass Co Ltd | Optical body having improved heat resistance |
JPH0622890U (en) * | 1992-08-18 | 1994-03-25 | 株式会社八光電機製作所 | Dryer for paddy rice without cracks |
US5982547A (en) * | 1997-01-29 | 1999-11-09 | Alps Electric Co., Ltd. | Optical filter |
Also Published As
Publication number | Publication date |
---|---|
JPS6042442B2 (en) | 1985-09-21 |
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