JP4981456B2 - Ｎｄフィルタ - Google Patents

Ｎｄフィルタ Download PDF

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Publication number
JP4981456B2
JP4981456B2 JP2007001180A JP2007001180A JP4981456B2 JP 4981456 B2 JP4981456 B2 JP 4981456B2 JP 2007001180 A JP2007001180 A JP 2007001180A JP 2007001180 A JP2007001180 A JP 2007001180A JP 4981456 B2 JP4981456 B2 JP 4981456B2
Authority
JP
Japan
Prior art keywords
film
reflected light
filter
multilayer film
light
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.)
Expired - Fee Related
Application number
JP2007001180A
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English (en)
Japanese (ja)
Other versions
JP2007233345A (ja
JP2007233345A5 (enExample
Inventor
進 阿部
佐代子 天野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2007001180A priority Critical patent/JP4981456B2/ja
Priority to US11/669,499 priority patent/US7710670B2/en
Publication of JP2007233345A publication Critical patent/JP2007233345A/ja
Publication of JP2007233345A5 publication Critical patent/JP2007233345A5/ja
Application granted granted Critical
Publication of JP4981456B2 publication Critical patent/JP4981456B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2007001180A 2006-02-03 2007-01-09 Ｎｄフィルタ Expired - Fee Related JP4981456B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007001180A JP4981456B2 (ja) 2006-02-03 2007-01-09 Ｎｄフィルタ
US11/669,499 US7710670B2 (en) 2006-02-03 2007-01-31 ND filter

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006026749 2006-02-03
JP2006026749 2006-02-03
JP2007001180A JP4981456B2 (ja) 2006-02-03 2007-01-09 Ｎｄフィルタ

Publications (3)

Publication Number Publication Date
JP2007233345A JP2007233345A (ja) 2007-09-13
JP2007233345A5 JP2007233345A5 (enExample) 2010-02-12
JP4981456B2 true JP4981456B2 (ja) 2012-07-18

Family

ID=38333789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007001180A Expired - Fee Related JP4981456B2 (ja) 2006-02-03 2007-01-09 Ｎｄフィルタ

Country Status (2)

Country Link
US (1) US7710670B2 (enExample)
JP (1) JP4981456B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2009002822A (es) * 2009-03-17 2010-02-22 Juan Luis Rendon Granados Un vidrio antirreflejante por una o ambas caras, en forma parcial o total, de un tacto suave y terso, con un aspecto que no refleja la luz y agradable a la vista.
JP5568923B2 (ja) * 2009-08-25 2014-08-13 株式会社リコー 撮像光学系およびカメラ装置および携帯情報端末装置
JP6864080B2 (ja) * 2017-03-30 2021-04-21 富士フイルム株式会社 積層体、建材、窓材及び放射冷却装置
EP4627301A1 (en) * 2022-12-01 2025-10-08 Admesy B.V. Optical filter arrangement
CN116500715A (zh) * 2023-04-24 2023-07-28 中山吉联光电科技有限公司 一种中性光学衰减片及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02113202A (ja) * 1988-10-21 1990-04-25 Nippon Shinku Kogaku Kk 中性濃度フィルター
JP3359114B2 (ja) * 1993-08-26 2002-12-24 キヤノン株式会社 薄膜型ｎｄフィルター及びその製造方法
US5688608A (en) * 1994-02-10 1997-11-18 Industrial Technology Research Institute High refractive-index IR transparent window with hard, durable and antireflective coating
JP3913109B2 (ja) 2002-05-28 2007-05-09 キヤノン株式会社 薄膜型ｎｄフィルター
JP4595687B2 (ja) * 2004-07-20 2010-12-08 住友金属鉱山株式会社 吸収型多層膜ｎｄフィルター

Also Published As

Publication number Publication date
JP2007233345A (ja) 2007-09-13
US20070183069A1 (en) 2007-08-09
US7710670B2 (en) 2010-05-04

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