JP2008180970A5 - - Google Patents

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Publication number
JP2008180970A5
JP2008180970A5 JP2007015065A JP2007015065A JP2008180970A5 JP 2008180970 A5 JP2008180970 A5 JP 2008180970A5 JP 2007015065 A JP2007015065 A JP 2007015065A JP 2007015065 A JP2007015065 A JP 2007015065A JP 2008180970 A5 JP2008180970 A5 JP 2008180970A5
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JP
Japan
Prior art keywords
shape
optical component
base portion
component according
convex shape
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.)
Granted
Application number
JP2007015065A
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Japanese (ja)
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JP2008180970A (en
JP5020647B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007015065A priority Critical patent/JP5020647B2/en
Priority claimed from JP2007015065A external-priority patent/JP5020647B2/en
Publication of JP2008180970A publication Critical patent/JP2008180970A/en
Publication of JP2008180970A5 publication Critical patent/JP2008180970A5/ja
Application granted granted Critical
Publication of JP5020647B2 publication Critical patent/JP5020647B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (4)

表面に、屈折およびまたは回折の光学機能を果たす凹凸形状と、刻線とを有する光学部品において、前記刻線は、前記凹凸形状と隣接し、前記表面に対し垂直となる境界面を有する土台部であって前記凹凸形状の高さよりも高い土台部と、前記土台部の上に形成した屋根型形状、または、円錐形状を重ね合わせ連続させた形状からなる刻線部とにより形成されることを特徴とする光学部品。   In an optical component having a concavo-convex shape that performs a refractive and / or diffractive optical function on the surface, and a score line, the scribe line is adjacent to the concavo-convex shape and has a base portion that is perpendicular to the surface And is formed by a base portion higher than the height of the concave and convex shape, and a engraved portion made of a roof-type shape formed on the base portion, or a shape in which conical shapes are superimposed and continuous. Features optical components. 前記凹凸形状は、マイクロレンズであることを特徴とする請求項１記載の光学部品。   The optical component according to claim 1, wherein the uneven shape is a microlens. 前記円錐形状を重ね合わせ連続させた形状の底幅は、前記土台部の幅に対して短いことを特徴とする請求項１または２記載の光学部品。   The optical component according to claim 1, wherein a bottom width of a shape in which the conical shapes are overlapped and continuous is shorter than a width of the base portion. 前記光学部品がフォーカシングスクリーンであることを特徴とする請求項１乃至３いずれか１項に記載の光学部品。   The optical component according to claim 1, wherein the optical component is a focusing screen.
JP2007015065A 2007-01-25 2007-01-25 Focusing screen and manufacturing method of focusing screen Expired - Fee Related JP5020647B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007015065A JP5020647B2 (en) 2007-01-25 2007-01-25 Focusing screen and manufacturing method of focusing screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007015065A JP5020647B2 (en) 2007-01-25 2007-01-25 Focusing screen and manufacturing method of focusing screen

Publications (3)

Publication Number Publication Date
JP2008180970A JP2008180970A (en) 2008-08-07
JP2008180970A5 true JP2008180970A5 (en) 2010-02-18
JP5020647B2 JP5020647B2 (en) 2012-09-05

Family

ID=39724908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007015065A Expired - Fee Related JP5020647B2 (en) 2007-01-25 2007-01-25 Focusing screen and manufacturing method of focusing screen

Country Status (1)

Country Link
JP (1) JP5020647B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6410556B2 (en) * 2014-10-22 2018-10-24 キヤノン株式会社 Display member provided in viewfinder, frame processing method for frame of display member, and camera using display member
JP6410555B2 (en) * 2014-10-22 2018-10-24 キヤノン株式会社 Display member provided in viewfinder, frame processing method for frame of display member, and camera using display member
US9442345B2 (en) 2014-10-22 2016-09-13 Canon Kabushiki Kaisha Camera having a display member
EP3633312A4 (en) 2017-06-02 2021-03-31 Nikon Corporation Reticle, reticle unit, rifle scope, and optical apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000321405A (en) * 1999-05-13 2000-11-24 Minolta Co Ltd Diffusion plate
JP4397482B2 (en) * 1999-11-22 2010-01-13 Ｈｏｙａ株式会社 Beam splitting element
JP4669350B2 (en) * 2004-08-31 2011-04-13 キヤノン株式会社 Optical part and mold processing method

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