Title:
BAND-PASS FILTER
Document Type and Number:
WIPO Patent Application WO/2016/002639
Kind Code:
A1
Abstract:
An addition layer (130) which is configured to reflect at a predetermined wavelength (λ) and is composed of two continuous layers of a high refractive index film (131) having an optical film thickness of λ/4.5 or less and a low refractive index film (132) having an optical film thickness of λ/4.5 or less is inserted into at least one boundary among boundaries between a plurality of films of a band-pass filter (100) having a reflection band including the predetermined wavelength (λ), and having a pass band in part of the reflection band.
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Inventors:
MURAKAWA MASAHIRO (JP)
MORI MASAHIRO (JP)
SATOU KAGEYUKI (JP)
MORI MASAHIRO (JP)
SATOU KAGEYUKI (JP)
Application Number:
PCT/JP2015/068426
Publication Date:
January 07, 2016
Filing Date:
June 25, 2015
Export Citation:
Assignee:
ASAHI GLASS CO LTD (JP)
International Classes:
G02B5/28; G02B5/26
Foreign References:
| JP2006154359A | 2006-06-15 | |||
| JP2002107506A | 2002-04-10 | |||
| JP2002535735A | 2002-10-22 | |||
| JP2003121637A | 2003-04-23 | |||
| JP2010186147A | 2010-08-26 |
Attorney, Agent or Firm:
Eikoh Patent Firm, P. C. et al. (JP)
Patent business corporation glory patent firm (JP)
Patent business corporation glory patent firm (JP)
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