JPS5291451A - Reflection preventive film - Google Patents
Reflection preventive filmInfo
- Publication number
- JPS5291451A JPS5291451A JP818976A JP818976A JPS5291451A JP S5291451 A JPS5291451 A JP S5291451A JP 818976 A JP818976 A JP 818976A JP 818976 A JP818976 A JP 818976A JP S5291451 A JPS5291451 A JP S5291451A
- Authority
- JP
- Japan
- Prior art keywords
- reflection preventive
- preventive film
- symmetrical
- installing
- contain
- 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
Landscapes
- Surface Treatment Of Optical Elements (AREA)
Abstract
PURPOSE: To increase the reflection preventive effect on materials whose refractive index is 1.70, by installing four thin film layers which contain the symmetrical 3-layer film that has the same optical film thickness and possesses specific individual refractive indices, respectively.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP818976A JPS5291451A (en) | 1976-01-27 | 1976-01-27 | Reflection preventive film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP818976A JPS5291451A (en) | 1976-01-27 | 1976-01-27 | Reflection preventive film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5291451A true JPS5291451A (en) | 1977-08-01 |
Family
ID=11686339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP818976A Pending JPS5291451A (en) | 1976-01-27 | 1976-01-27 | Reflection preventive film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5291451A (en) |
-
1976
- 1976-01-27 JP JP818976A patent/JPS5291451A/en active Pending
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