JP5458513B2 - 種光発生装置、光源装置及びその調整方法、光照射装置、露光装置、並びにデバイス製造方法 - Google Patents
種光発生装置、光源装置及びその調整方法、光照射装置、露光装置、並びにデバイス製造方法 Download PDFInfo
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- JP5458513B2 JP5458513B2 JP2008159705A JP2008159705A JP5458513B2 JP 5458513 B2 JP5458513 B2 JP 5458513B2 JP 2008159705 A JP2008159705 A JP 2008159705A JP 2008159705 A JP2008159705 A JP 2008159705A JP 5458513 B2 JP5458513 B2 JP 5458513B2
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- 238000000034 method Methods 0.000 title claims description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 14
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03F7/70008—Production of exposure light, i.e. light sources
- G03F7/70025—Production of exposure light, i.e. light sources by lasers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
- H01S5/06216—Pulse modulation or generation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0085—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for modulating the output, i.e. the laser beam is modulated outside the laser cavity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Semiconductor Lasers (AREA)
Description
11 DFB−LD
12 EOM
15 トリガパルス可変遅延器
10 種光発生装置
20 光増幅部
30 波長変換部
50 露光装置
51 照射光学系
54 投影光学系
Claims (7)
- 光増幅されるべき種光を発生する種光発生装置であって、
単一波長のパルス光を発生するパルス発生部と、
前記パルス光の一部を選択的に通過させて切り出すパルス変調部と、
操作に応じて、前記パルス発生部による前記パルス光の発生タイミングに対する前記パルス変調部による前記パルス光の切り出しタイミングを相対的に調整するタイミング調整部と、
を備え、
前記タイミング調整部による前記発生タイミングに対する前記切り出しタイミングの相対的な調整可能範囲は、前記パルス光の前記一部が前記パルス光における光強度の逓減部分の一部となるタイミングを含む範囲であり、
前記タイミング調整部は、前記発生タイミングに対する前記切り出しタイミングが、前記パルス光の前記一部が前記パルス光における光強度の逓減部分の一部となるタイミングとなるように、調整され、
前記パルス発生部は、パルス状の電気信号に応答して前記パルス光を発生するレーザダイオードである、
ことを特徴とする種光発生装置。 - 請求項1記載の種光発生装置と、
前記種光発生装置により発生された種光を光増幅する光増幅部と、
前記光増幅部により光増幅された光を波長変換する波長変換部と、
を備えたことを特徴とする光源装置。 - 請求項2記載の光源装置を調整する調整方法であって、
前記波長変換部の出力光のスペクトル幅を観察しながら、前記出力光のスペクトル幅が所望のスペクトル幅になるように、前記タイミング調整部を操作することを特徴とする光源装置の調整方法。 - 請求項2記載の光源装置を調整する調整方法であって、
前記波長変換部の出力光のスペクトル幅及び時間コヒーレンス長を観察しながら、前記出力光のスペクトル幅が所望のスペクトル幅になるとともに前記コヒーレンス長が所望のコヒーレンス長になるように、前記タイミング調整部を操作することを特徴とする光源装置の調整方法。 - 対象物に光を照射する光照射装置であって、
請求項2記載の光源装置と、
前記光源装置からの光を前記対象物に照射する照射光学系と、
を備えたことを特徴とする光照射装置。 - マスクのパターンを感光物体上に転写する露光装置であって、
請求項2記載の光源装置と、
前記光源装置からの光を前記マスクに照射する照射光学系と、
前記マスクからの光を前記感光物体に投影する投影光学系と、
を備えたことを特徴とする露光装置。 - リソグラフィ工程を含むデバイス製造方法であって、
前記リソグラフィ工程では、請求項6記載の露光装置を用いて前記マスクのパターンを前記感光物体に転写することを特徴とするデバイス製造方法。
Priority Applications (4)
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JP2008159705A JP5458513B2 (ja) | 2008-06-18 | 2008-06-18 | 種光発生装置、光源装置及びその調整方法、光照射装置、露光装置、並びにデバイス製造方法 |
PCT/JP2009/060273 WO2009154085A1 (ja) | 2008-06-18 | 2009-06-04 | 種光発生装置、光源装置及びその調整方法、光照射装置、露光装置、並びにデバイス製造方法 |
TW098120187A TWI525398B (zh) | 2008-06-18 | 2009-06-17 | Light generating device, light source device and its adjustment method, light irradiation device, exposure device, and element manufacturing method |
US12/963,923 US8792083B2 (en) | 2008-06-18 | 2010-12-09 | Seed light generation device, light source device, adjustment method thereof, light irradiation device, exposure device, and device manufacturing method |
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JP2008159705A JP5458513B2 (ja) | 2008-06-18 | 2008-06-18 | 種光発生装置、光源装置及びその調整方法、光照射装置、露光装置、並びにデバイス製造方法 |
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JP2010003771A JP2010003771A (ja) | 2010-01-07 |
JP2010003771A5 JP2010003771A5 (ja) | 2011-05-26 |
JP5458513B2 true JP5458513B2 (ja) | 2014-04-02 |
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US (1) | US8792083B2 (ja) |
JP (1) | JP5458513B2 (ja) |
TW (1) | TWI525398B (ja) |
WO (1) | WO2009154085A1 (ja) |
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KR101145683B1 (ko) * | 2010-10-13 | 2012-05-24 | 광주과학기술원 | 레이저 시스템에서 버스트 모드 발진 방법 및 이를 위한 장치 |
WO2013185792A1 (de) * | 2012-06-12 | 2013-12-19 | Photon Energy Gmbh | Kurzpuls - laser mit verstärker und einstellbarer pulsfolge |
JP6311720B2 (ja) * | 2013-10-25 | 2018-04-18 | 株式会社ニコン | レーザ装置、該レーザ装置を備えた露光装置及び検査装置 |
TWI656704B (zh) * | 2014-02-18 | 2019-04-11 | 日商尼康股份有限公司 | Method for generating pulsed light, pulsed laser device, and exposure device and inspection device having the same |
JP2015210517A (ja) * | 2014-09-09 | 2015-11-24 | 株式会社ニコン | パターン描画装置、パターン描画方法、および、デバイス製造方法 |
JP6428675B2 (ja) * | 2016-02-22 | 2018-11-28 | 株式会社ニコン | パターン描画用の光源装置 |
US10451890B2 (en) | 2017-01-16 | 2019-10-22 | Cymer, Llc | Reducing speckle in an excimer light source |
JP6587026B2 (ja) * | 2018-10-30 | 2019-10-09 | 株式会社ニコン | パターン露光装置 |
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JPH02103982A (ja) * | 1988-06-20 | 1990-04-17 | Fujitsu Ltd | 半導体発光装置 |
AU6875100A (en) * | 1999-09-10 | 2001-04-17 | Nikon Corporation | Laser device and exposure method |
JP2001085313A (ja) * | 1999-09-13 | 2001-03-30 | Nikon Corp | 露光方法及び装置、並びにデバイスの製造方法 |
JPWO2002095486A1 (ja) * | 2001-05-18 | 2004-09-09 | 株式会社ニコン | 光源装置及び光照射装置、並びにデバイス製造方法 |
JP2004335782A (ja) * | 2003-05-08 | 2004-11-25 | Komatsu Ltd | 注入同期式レーザ装置 |
JP4798687B2 (ja) * | 2004-07-09 | 2011-10-19 | 株式会社小松製作所 | 狭帯域化レーザ装置 |
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US8792083B2 (en) | 2014-07-29 |
WO2009154085A1 (ja) | 2009-12-23 |
TW201003333A (en) | 2010-01-16 |
JP2010003771A (ja) | 2010-01-07 |
TWI525398B (zh) | 2016-03-11 |
US20110211184A1 (en) | 2011-09-01 |
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