JP6080970B2 - 位置測定システム、位置測定システムの格子及び方法 - Google Patents
位置測定システム、位置測定システムの格子及び方法 Download PDFInfo
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- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
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Description
[001] 本出願は、2012年11月19日出願の米国仮出願第61/728,071号の利益を主張し、その全体が参照によって本明細書に組み込まれる。
Claims (14)
- 第2オブジェクトに対する第1オブジェクトの位置を決定する位置測定システムであって、
前記第1オブジェクト上に搭載されたエンコーダヘッドと、
前記第2オブジェクト上に搭載された格子と、を備え、
前記格子が、第1方向の格子線の第1アレイ及び第2方向の格子線の第2アレイを備え、前記第1及び第2アレイに入射する測定ビームを、前記第1方向の少なくとも1つの第1回折ビーム及び前記第2方向の少なくとも1つの第2回折ビームに回折させ、前記少なくとも1つの第1回折ビームが前記第1方向の位置測定のためのものであり、前記少なくとも1つの第2回折ビームが前記第2方向の位置測定のためのものであり、
前記測定ビームが出力量を有し、前記格子が、前記出力量を、前記少なくとも1つの第1回折ビームと前記少なくとも1つの第2回折ビームとに不均一に分散させ、
前記第1方向が主要な測定方向であり、前記第2方向がサブ測定方向であり、前記格子が、前記少なくとも1つの第1回折ビームが前記少なくとも1つの第2回折ビームよりも大きな出力を有するように前記測定ビームの前記出力量を分散させる、位置測定システム。 - 前記第1アレイが第1周期と第1デューティサイクルとを備え、前記第2アレイが第2周期と第2デューティサイクルとを備え、前記第1周期と前記第2周期とが同じであり、前記第1デューティサイクルが前記第2デューティサイクルと異なる、請求項1に記載の位置測定システム。
- 前記第2方向の前記第2アレイの一部が、前記第2デューティサイクルとは異なる第3デューティサイクルを備え、前記位置測定システムが前記一部に対する前記エンコーダヘッドの絶対位置を決定する、請求項2に記載の位置測定システム。
- 前記一部が第3周期を有し、前記第2周期と前記第3周期とが同じである、請求項3に記載の位置測定システム。
- 前記格子が、前記格子の全体の前記出力量を、前記前記少なくとも1つの第1回折ビームと前記少なくとも1つの第2回折ビームとに不均一に分散させる、請求項1〜4のいずれか1項に記載の位置測定システム。
- 前記第1方向と前記第2方向とは互いに垂直である、請求項1〜5のいずれか1項に記載の位置測定システム。
- 前記少なくとも1つの第1回折ビーム及び前記少なくとも1つの第2回折ビームが前記測定ビームの1次回折ビームである、請求項1〜6のいずれか1項に記載の位置測定システム。
- パターンを含むパターニングデバイスを支持する支持構造と、
前記パターンを基板上に投影する投影システムと、
前記基板を保持する基板ステージと、
請求項1〜7のいずれか1項に記載の位置測定システムと、を備えるリソグラフィ装置であって、
前記位置測定システムが、前記投影システムに対する前記支持構造及び前記基板ステージの一方の位置を決定する、リソグラフィ装置。 - 基準フレームを備え、前記格子が前記基板ステージ上に搭載され、前記エンコーダヘッドが前記基準フレーム上に搭載される、請求項8に記載のリソグラフィ装置。
- 前記基板ステージが第1表面と第2表面とを含み、前記第1表面が前記基板ステージの上側にあり、前記第2表面が前記基板ステージの下側にあり、前記第1表面が前記基板を保持し、前記第2表面が前記格子を保持する、請求項8に記載のリソグラフィ装置。
- 請求項1〜7のいずれか1項に記載の位置測定システムでの使用のために構成される格子。
- 位置測定システムのための格子であって、前記格子が、第1方向の格子線の第1アレイ及び第2方向の格子線の第2アレイを備え、前記第1及び第2アレイに入射する測定ビームを、前記第1方向の少なくとも1つの第1回折ビーム及び前記第2方向の少なくとも1つの第2回折ビームに回折させ、前記少なくとも1つの第1回折ビームが前記第1方向の位置測定に使用され、前記少なくとも1つの第2回折ビームが前記第2方向の位置測定に使用され、前記測定ビームが出力量を有し、前記格子が、前記出力量を、前記少なくとも1つの第1回折ビームと前記少なくとも1つの第2回折ビームとに不均一に分散させ、前記第1方向が主要な測定方向であり、前記第2方向がサブ測定方向であり、前記格子が、前記少なくとも1つの第1回折ビームが前記少なくとも1つの第2回折ビームよりも大きな出力を有するように前記測定ビームの前記出力量を分散させる、格子。
- 前記第1アレイが第1周期と第1デューティサイクルとを備え、前記第2アレイが第2周期と第2デューティサイクルとを備え、前記第1周期と前記第2周期とが同じであり、前記第1デューティサイクルが前記第2デューティサイクルと異なる、請求項12に記載の格子。
- 前記第2アレイの一部が、前記第2デューティサイクルとは異なる第3デューティサイクルを備える、請求項13に記載の格子。
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US201261728071P | 2012-11-19 | 2012-11-19 | |
US61/728,071 | 2012-11-19 | ||
PCT/EP2013/073392 WO2014076009A2 (en) | 2012-11-19 | 2013-11-08 | Position measurement system, grating for a position measurement system and method |
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EP (1) | EP2920649B1 (ja) |
JP (1) | JP6080970B2 (ja) |
KR (1) | KR20150087360A (ja) |
CN (1) | CN104797983B (ja) |
NL (1) | NL2011766A (ja) |
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CN111610696A (zh) | 2015-02-23 | 2020-09-01 | 株式会社尼康 | 基板处理系统及基板处理方法、以及组件制造方法 |
EP3264030B1 (en) | 2015-02-23 | 2020-07-22 | Nikon Corporation | Measurement device, lithography system and exposure device, and device manufacturing method |
CN111208712A (zh) | 2015-02-23 | 2020-05-29 | 株式会社尼康 | 测量装置及方法、光刻系统、曝光装置及方法 |
CN105371881B (zh) * | 2015-11-22 | 2017-07-28 | 长春禹衡光学有限公司 | 一种一体化安装的分体式编码器 |
US10243668B2 (en) | 2016-04-27 | 2019-03-26 | Industrial Technology Research Institute | Positioning measurement device and the method thereof |
US11982521B2 (en) * | 2017-02-23 | 2024-05-14 | Nikon Corporation | Measurement of a change in a geometrical characteristic and/or position of a workpiece |
CN107993722B (zh) * | 2017-12-05 | 2021-12-07 | 天津大学 | 一种针对点阵光源下光子在媒质中分布的快速提取方法 |
US10768361B1 (en) * | 2018-08-03 | 2020-09-08 | Facebook Technologies, Llc | System for monitoring grating formation |
WO2024125102A1 (zh) * | 2022-12-16 | 2024-06-20 | 上海鲲游科技有限公司 | 二维光栅结构、扩瞳结构、耦出结构以及衍射光波导 |
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JPH08191043A (ja) | 1995-01-11 | 1996-07-23 | Nikon Corp | アライメント方法及び該方法で使用される露光装置 |
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-
2013
- 2013-11-08 JP JP2015542227A patent/JP6080970B2/ja active Active
- 2013-11-08 EP EP13789292.3A patent/EP2920649B1/en active Active
- 2013-11-08 CN CN201380060209.0A patent/CN104797983B/zh active Active
- 2013-11-08 US US14/439,130 patent/US9651877B2/en active Active
- 2013-11-08 WO PCT/EP2013/073392 patent/WO2014076009A2/en active Application Filing
- 2013-11-08 KR KR1020157016256A patent/KR20150087360A/ko not_active Abandoned
- 2013-11-08 SG SG11201503261TA patent/SG11201503261TA/en unknown
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US9651877B2 (en) | 2017-05-16 |
TWI519906B (zh) | 2016-02-01 |
KR20150087360A (ko) | 2015-07-29 |
NL2011766A (en) | 2014-05-21 |
EP2920649A2 (en) | 2015-09-23 |
CN104797983B (zh) | 2017-03-08 |
WO2014076009A2 (en) | 2014-05-22 |
EP2920649B1 (en) | 2023-03-29 |
WO2014076009A3 (en) | 2014-07-17 |
US20150316856A1 (en) | 2015-11-05 |
CN104797983A (zh) | 2015-07-22 |
TW201428430A (zh) | 2014-07-16 |
JP2016505812A (ja) | 2016-02-25 |
SG11201503261TA (en) | 2015-05-28 |
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