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Reflection reducing film, optical member and optical system


Title: Reflection reducing film, optical member and optical system.
Abstract: A reflection reducing film is provided on a surface of an optical substrate, and is sequentially provided with a buffer layer and a reflection reducing layer. The reflection reducing layer includes first to eighth layers sequentially laminated from the side of the buffer layer. The first and sixth layers are made of a low-refractive index material having a refractive index in the range of 1.35 to 1.50 at the d-line, the third, fifth and seventh layers are made of an intermediate-refractive index material having a refractive index in the range of 1.55 to 1.85 at the d-line, and the second, fourth and eighth layers are made of a high-refractive index material having a refractive index in the range of 1.70 to 2.50 at the d-line. ...
USPTO Applicaton #: #20120276350
Inventors: Etsuo Terayama



The Patent Description & Claims data below is from USPTO Patent Application 20120276350, Reflection reducing film, optical member and optical system.




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stats Patent Info
Application #
US 20120276350 A1
Publish Date
11/01/2012
Document #
13549086
File Date
07/13/2012
USPTO Class
428212
Other USPTO Classes
International Class
32B7/02
Drawings
46


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Stock Material Or Miscellaneous Articles   Structurally Defined Web Or Sheet (e.g., Overall Dimension, Etc.)   Including Components Having Same Physical Characteristic In Differing Degree  

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