JP6867148B2 - 光学フィルタ及び撮像光学系 - Google Patents

光学フィルタ及び撮像光学系 Download PDF

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Publication number
JP6867148B2
JP6867148B2 JP2016235944A JP2016235944A JP6867148B2 JP 6867148 B2 JP6867148 B2 JP 6867148B2 JP 2016235944 A JP2016235944 A JP 2016235944A JP 2016235944 A JP2016235944 A JP 2016235944A JP 6867148 B2 JP6867148 B2 JP 6867148B2
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layer
intermediate layer
film
light
optical filter
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JP2018092030A (ja
JP2018092030A5 (https=
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安紘 佐藤
安紘 佐藤
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Canon Electronics Inc
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Canon Electronics Inc
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  • Optical Elements Other Than Lenses (AREA)
  • Blocking Light For Cameras (AREA)
  • Optical Filters (AREA)
  • Physical Vapour Deposition (AREA)
JP2016235944A 2016-12-05 2016-12-05 光学フィルタ及び撮像光学系 Active JP6867148B2 (ja)

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JP2016235944A JP6867148B2 (ja) 2016-12-05 2016-12-05 光学フィルタ及び撮像光学系

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JP2018092030A JP2018092030A (ja) 2018-06-14
JP2018092030A5 JP2018092030A5 (https=) 2020-01-16
JP6867148B2 true JP6867148B2 (ja) 2021-04-28

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7342390B2 (ja) * 2018-08-29 2023-09-12 株式会社デンソーウェーブ 光学フィルター及びその製造方法
JP2020064260A (ja) * 2018-10-19 2020-04-23 キヤノン電子株式会社 光学フィルタ、及び光量調整装置、撮像装置
JP7194557B2 (ja) * 2018-10-19 2022-12-22 キヤノン電子株式会社 光学フィルタ、及び光量調整装置、撮像装置
JP7475129B2 (ja) * 2018-11-28 2024-04-26 キヤノン電子株式会社 遮光部材、遮光部材を用いた撮像装置
CN114959619B (zh) * 2022-06-16 2024-01-23 安徽信息工程学院 一种高信噪比的滤光片及其制备方法和应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960310A (en) * 1989-08-04 1990-10-02 Optical Corporation Of America Broad band nonreflective neutral density filter
JP4481720B2 (ja) * 2004-05-14 2010-06-16 日本電産コパル株式会社 Ｎｄフィルタ及び光量絞り装置
JP2007225735A (ja) * 2006-02-21 2007-09-06 Canon Electronics Inc Ｎｄフィルタ、該ｎｄフィルタによる光量絞り装置及び撮像装置
JP5879021B2 (ja) * 2009-10-05 2016-03-08 キヤノン電子株式会社 Ｎｄフィルタ
JP5223847B2 (ja) * 2009-11-09 2013-06-26 住友金属鉱山株式会社 吸収型多層膜ｎｄフィルターチップの製造方法
JP2011118251A (ja) * 2009-12-07 2011-06-16 Koshin Kogaku Kogyo Kk Ｎｄフィルタの製造方法およびｎｄフィルタ
JP2012159815A (ja) * 2011-01-31 2012-08-23 Tanaka Engineering Inc 光学スタビライザ及び光学薄膜
CN104297833B (zh) * 2014-11-06 2017-01-18 沈阳仪表科学研究院有限公司 低反射型中性密度滤光片
JP6480239B2 (ja) * 2015-03-31 2019-03-06 デクセリアルズ株式会社 多層膜構造体の製造方法

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