JP2008003421A - レンズ光学系及び光電式エンコーダ - Google Patents
レンズ光学系及び光電式エンコーダ Download PDFInfo
- Publication number
- JP2008003421A JP2008003421A JP2006174603A JP2006174603A JP2008003421A JP 2008003421 A JP2008003421 A JP 2008003421A JP 2006174603 A JP2006174603 A JP 2006174603A JP 2006174603 A JP2006174603 A JP 2006174603A JP 2008003421 A JP2008003421 A JP 2008003421A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- optical system
- plastic
- change
- temperature
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 46
- 238000010348 incorporation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/028—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14625—Optical elements or arrangements associated with the device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Optical Transform (AREA)
- Lens Barrels (AREA)
Abstract
【解決手段】プラスチックレンズ10又はプラスチックレンズアレイ12と、その焦点位置Fの間に、焦点距離fの温度変化を軽減するための、2つの平行な平面を有するプラスチックブロック20を配設してレンズ光学系を構成する。該プラスチックブロック20の表面に遮光パターン22を形成することができる。前記レンズ光学系を含んで片側又は両側テレセントリック光学系を構成することができる。
【選択図】図4
Description
+{(n−1)2/n}×{d/(R1×R2)} …(1)
12…プラスチックレンズアレイ
20…プラスチックブロック
22…遮光パターン
30…片側テレセントリック光学系
32…アパーチャアレイ
40…スケール
42…受光アレイ素子
Claims (6)
- レンズと、その焦点位置の間に、焦点距離の温度変化を軽減するための、2つの平行な平面を有するプラスチックブロックが配設されていることを特徴とするレンズ光学系。
- 前記レンズがレンズアレイであることを特徴とする請求項1に記載のレンズ光学系。
- 前記プラスチックブロックの表面に、遮光パターンが形成されていることを特徴とする請求項1又は2に記載のレンズ光学系。
- 請求項1乃至3のいずれかに記載のレンズ光学系を含んで片側テレセントリック光学系が構成されていることを特徴とするレンズ光学系。
- 請求項1乃至3のいずれかに記載のレンズ光学系を含んで両側テレセントリック光学系が構成されていることを特徴とするレンズ光学系。
- 請求項1乃至5のいずれかに記載のレンズ光学系を備えたことを特徴とする光電式エンコーダ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006174603A JP5186091B2 (ja) | 2006-06-23 | 2006-06-23 | 光電式エンコーダ |
US11/812,926 US7589899B2 (en) | 2006-06-23 | 2007-06-22 | Lens optical system and photoelectric encoder |
EP07012375.7A EP1870754B1 (en) | 2006-06-23 | 2007-06-25 | Lens optical system and method of suppressing a variation in the focal length of a lens optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006174603A JP5186091B2 (ja) | 2006-06-23 | 2006-06-23 | 光電式エンコーダ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008003421A true JP2008003421A (ja) | 2008-01-10 |
JP5186091B2 JP5186091B2 (ja) | 2013-04-17 |
Family
ID=38577456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006174603A Active JP5186091B2 (ja) | 2006-06-23 | 2006-06-23 | 光電式エンコーダ |
Country Status (3)
Country | Link |
---|---|
US (1) | US7589899B2 (ja) |
EP (1) | EP1870754B1 (ja) |
JP (1) | JP5186091B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2674730A2 (en) | 2012-06-11 | 2013-12-18 | Mitutoyo Corporation | Optical encoder and lens fixing mechanism thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102891155B (zh) * | 2012-09-27 | 2015-08-19 | 豪威科技(上海)有限公司 | 用于制作镜头的晶圆级贴合方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001264664A (ja) * | 2000-03-17 | 2001-09-26 | Hitachi Koki Co Ltd | 光走査装置 |
JP2004264295A (ja) * | 2003-02-12 | 2004-09-24 | Mitsutoyo Corp | 光電式エンコーダ |
JP2005250089A (ja) * | 2004-03-04 | 2005-09-15 | Fujinon Corp | 撮像レンズおよびレンズの製造方法 |
WO2005090923A1 (ja) * | 2004-03-19 | 2005-09-29 | Mitutoyo Corporation | 光電式エンコーダ |
JP2006133082A (ja) * | 2004-11-05 | 2006-05-25 | Mitsutoyo Corp | 光電式エンコーダ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07119864B2 (ja) | 1985-01-16 | 1995-12-20 | ミノルタ株式会社 | プラスチックレンズの取り付け構造 |
EP0490171B1 (en) | 1990-11-28 | 2000-06-14 | Canon Kabushiki Kaisha | Scattering type liquid crystal device |
JP3200856B2 (ja) | 1991-02-12 | 2001-08-20 | ソニー株式会社 | 固体撮像装置 |
JPH0943508A (ja) | 1995-07-28 | 1997-02-14 | Topcon Corp | ハイブリッドレンズ |
US6134039A (en) * | 1998-01-27 | 2000-10-17 | Psc Scanning, Inc. | Wavelength dependent thermally compensated optical system |
US20040012698A1 (en) | 2001-03-05 | 2004-01-22 | Yasuo Suda | Image pickup model and image pickup device |
JP4219645B2 (ja) * | 2002-09-12 | 2009-02-04 | シャープ株式会社 | マイクロレンズアレイの露光方法 |
JP2004177628A (ja) * | 2002-11-27 | 2004-06-24 | Optech:Kk | 広角撮影レンズ |
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2006
- 2006-06-23 JP JP2006174603A patent/JP5186091B2/ja active Active
-
2007
- 2007-06-22 US US11/812,926 patent/US7589899B2/en active Active
- 2007-06-25 EP EP07012375.7A patent/EP1870754B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001264664A (ja) * | 2000-03-17 | 2001-09-26 | Hitachi Koki Co Ltd | 光走査装置 |
JP2004264295A (ja) * | 2003-02-12 | 2004-09-24 | Mitsutoyo Corp | 光電式エンコーダ |
JP2005250089A (ja) * | 2004-03-04 | 2005-09-15 | Fujinon Corp | 撮像レンズおよびレンズの製造方法 |
WO2005090923A1 (ja) * | 2004-03-19 | 2005-09-29 | Mitutoyo Corporation | 光電式エンコーダ |
JP2006133082A (ja) * | 2004-11-05 | 2006-05-25 | Mitsutoyo Corp | 光電式エンコーダ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2674730A2 (en) | 2012-06-11 | 2013-12-18 | Mitutoyo Corporation | Optical encoder and lens fixing mechanism thereof |
Also Published As
Publication number | Publication date |
---|---|
JP5186091B2 (ja) | 2013-04-17 |
EP1870754B1 (en) | 2013-04-24 |
US7589899B2 (en) | 2009-09-15 |
US20070297069A1 (en) | 2007-12-27 |
EP1870754A1 (en) | 2007-12-26 |
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