JP6533004B2 - 測定システム、リソグラフィ装置、デバイス製造方法、および測定方法 - Google Patents
測定システム、リソグラフィ装置、デバイス製造方法、および測定方法 Download PDFInfo
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
- G03F7/70775—Position control, e.g. interferometers or encoders for determining the stage position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- 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
- G01D5/12—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 using electric or magnetic means
- G01D5/14—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 using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/202—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
- G03F7/70625—Dimensions, e.g. line width, critical dimension [CD], profile, sidewall angle or edge roughness
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/7085—Detection arrangement, e.g. detectors of apparatus alignment possibly mounted on wafers, exposure dose, photo-cleaning flux, stray light, thermal load
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- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
− 放射ビームB(例えば、UV放射またはDUV放射)を調整するよう構成されている照明システム(イルミネータ)ILと、
− パターニングデバイス(例えばマスク)MAを支持するよう構成され、いくつかのパラメータに従ってパターニングデバイスMAを正確に位置決めするよう構成されている第1位置決め装置PMに接続されている支持構造(例えばマスクテーブル)MTと、
− 例えば、1つ又は複数のセンサを支持するセンサテーブル、または、基板(例えば、レジストで被覆された生産基板)Wを保持するよう構成されている基板支持装置60であり、いくつかのパラメータに従ってテーブル例えば基板Wの表面を正確に位置決めするよう構成されている第2位置決め装置PWに接続されている支持テーブルと、
− パターニングデバイスMAにより放射ビームBに付与されたパターンを基板Wの(例えば1つまたは複数のダイの一部を含む)目標部分Cに投影するよう構成されている投影システム(例えば、屈折投影レンズ系)PSと、を含む。
Claims (15)
- 物体の位置及び/または変位を測定するための測定システムであって、前記測定システムは、センサと目標物とを備え、前記センサは、
電磁石と、
交番磁場を発生させるべく前記電磁石を駆動するよう構成された駆動回路と、
前記電磁石の電気インピーダンスパラメータを測定するよう構成された測定回路と、を備え、
前記目標物は、前記センサに対向する前記物体の表面上に配置され、前記目標物は、グラフェン層を備え、
使用時において、前記交番磁場が前記目標物と相互作用するとき、前記交番磁場が変化して、前記電磁石の前記電気インピーダンスパラメータを変化させる、測定システム。 - 前記グラフェン層は、グラフェンの単層により形成されている請求項1に記載の測定システム。
- 前記グラフェン層は、多層グラフェンにより形成されている請求項1に記載の測定システム。
- 前記目標物は、少なくとも2つのグラフェン層と隔離層とを備え、前記隔離層は、各グラフェン層どうしの間に配置されている請求項1から3のいずれかに記載の測定システム。
- 前記隔離層の厚さは、1000nm以下である請求項4に記載の測定システム。
- 前記グラフェン層の厚さは、1000nm以下である請求項4または5に記載の測定システム。
- 前記隔離層は、金属である請求項4から6のいずれかに記載の測定システム。
- 前記隔離層は、銅、銀、金、またはアルミニウムのうち少なくとも1つを備える請求項7に記載の測定システム。
- 前記隔離層は、二硫酸モリブデンを備える請求項4から6のいずれかに記載の測定システム。
- 前記目標物が配置された前記物体の前記表面に垂直に測定軸が定義され、前記測定軸に垂直な平面において、前記目標物の断面積は、前記電磁石の断面積より大きい請求項1から9のいずれかに記載の測定システム。
- 前記目標物の厚さは、実質的に均一であり、前記目標物の平均厚さから10%以下の変動をする請求項4から10のいずれかに記載の測定システム。
- 前記電磁石は、グラフェンセンサ層をさらに備える請求項1から11のいずれかに記載の測定システム。
- 物体の変位及び/または位置を測定するための測定システムであって、前記測定システムは、センサを備え、前記センサは、
電磁石と、
前記電磁石上に配置されたグラフェンセンサ層と、
交番磁場を発生させるべく前記電磁石を駆動するよう構成された駆動回路と、
前記電磁石の電気インピーダンスパラメータを測定するよう構成された測定回路と、を備える、測定システム。 - 請求項1から13のいずれかに記載の測定システムを使用して物体の位置を測定する方法であって、
交番磁場を発生させるべく前記電磁石を駆動するステップと、
前記物体上の目標物に対し電磁センサを、前記交番磁場が前記目標物と相互作用し前記交番磁場を変化させて前記電磁石の前記電気インピーダンスパラメータを変化させるように、位置決めするステップと、
前記電磁石の電気インピーダンスパラメータを測定するステップと、
前記電磁石の電気インピーダンスパラメータに基づいて前記物体の位置を決定するステップと、を備える方法。 - 請求項1から13のいずれかに記載の測定システムを使用して物体の位置を測定する方法であって、
交番磁場を発生させるべく前記電磁石を駆動するステップと、
物体に対し前記センサを、前記交番磁場が前記物体と相互作用し前記交番磁場を変化させて前記電磁石の電気インピーダンスパラメータを変化させるように、位置決めするステップと、
前記電磁石の電気インピーダンスパラメータを測定するステップと、
前記電磁石の電気インピーダンスパラメータに基づいて前記物体の位置を決定するステップと、を備える方法。
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EP15175809.1 | 2015-07-08 | ||
EP15175809 | 2015-07-08 | ||
PCT/EP2016/062207 WO2017005408A1 (en) | 2015-07-08 | 2016-05-31 | Measurement systems, lithographic apparatus, device manufacturing method and a method of measuring |
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US7173417B1 (en) | 2003-03-28 | 2007-02-06 | Nanometrics Incorporated | Eddy current sensor with concentric confocal distance sensor |
JP2005024317A (ja) * | 2003-06-30 | 2005-01-27 | Nikon Corp | ステージ位置検出装置及び露光装置 |
WO2008074317A2 (de) | 2006-12-21 | 2008-06-26 | Micro-Epsilon Messtechnik Gmbh & Co. Kg | Verfahren und sensoranordnung zum bestimmen der position und/oder positionsänderung eines messobjekts relativ zu einem sensor |
US7830495B2 (en) * | 2007-07-10 | 2010-11-09 | Asml Netherlands B.V. | Lithographic apparatus and position sensor |
US9678175B2 (en) * | 2010-07-26 | 2017-06-13 | Radiation Monitoring Devices, Inc. | Eddy current detection |
DE102011077784A1 (de) * | 2011-06-20 | 2012-12-20 | Carl Zeiss Smt Gmbh | Projektionsanordnung |
WO2013012507A1 (en) * | 2011-07-21 | 2013-01-24 | Ut-Battelle, Llc | Graphene-coated coupling coil for ac resistance reduction |
US10145908B2 (en) * | 2013-07-19 | 2018-12-04 | Allegro Microsystems, Llc | Method and apparatus for magnetic sensor producing a changing magnetic field |
CN103743438B (zh) | 2013-12-31 | 2016-01-20 | 东北大学 | 复合型柔软压力位移敏感元件及其研制方法 |
JP6246676B2 (ja) * | 2014-08-20 | 2017-12-13 | 株式会社東芝 | 半導体装置 |
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US20180173115A1 (en) | 2018-06-21 |
US10678147B2 (en) | 2020-06-09 |
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