JP6037594B2 - Euv光源のための駆動レーザ - Google Patents
Euv光源のための駆動レーザ Download PDFInfo
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- JP6037594B2 JP6037594B2 JP2009515472A JP2009515472A JP6037594B2 JP 6037594 B2 JP6037594 B2 JP 6037594B2 JP 2009515472 A JP2009515472 A JP 2009515472A JP 2009515472 A JP2009515472 A JP 2009515472A JP 6037594 B2 JP6037594 B2 JP 6037594B2
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- 239000002994 raw material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 230000002238 attenuated effect Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 description 22
- 238000003199 nucleic acid amplification method Methods 0.000 description 22
- 230000036278 prepulse Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 10
- 229920006395 saturated elastomer Polymers 0.000 description 10
- 230000002123 temporal effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 230000005855 radiation Effects 0.000 description 8
- 238000002310 reflectometry Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2308—Amplifier arrangements, e.g. MOPA
- H01S3/2316—Cascaded amplifiers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/54—Protecting or lifetime prediction
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G2/00—Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma
- H05G2/001—Production of X-ray radiation generated from plasma
- H05G2/008—Production of X-ray radiation generated from plasma involving an energy-carrying beam in the process of plasma 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0057—Temporal shaping, e.g. pulse compression, frequency chirping
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/22—Gases
- H01S3/223—Gases the active gas being polyatomic, i.e. containing two or more atoms
- H01S3/2232—Carbon dioxide (CO2) or monoxide [CO]
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/22—Gases
- H01S3/223—Gases the active gas being polyatomic, i.e. containing two or more atoms
- H01S3/225—Gases the active gas being polyatomic, i.e. containing two or more atoms comprising an excimer or exciplex
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Lasers (AREA)
- X-Ray Techniques (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
600、602、604 増幅器
Claims (4)
- 出力ビームを生成するレーザ発振器と、
レーザ発振器から出力ビームを受け取るよう接続されたパルス伸長器であって、前記出力ビームのレーザパルスから伸長されたパルスを生成するパルス伸長器と、
前記パルス伸長器からのパルスが入力され、利得媒体長(L1)、飽和エネルギ(Es,1)及び小信号利得(g0,1)によって特徴付けられる利得媒体を有し、前記伸長されたパルスを増幅して第1の増幅ビームを生成する第1の増幅器と、
(g0,1)>(g0,2)及び(Es,2)>(Es,1)である、利得媒体長(L2)、飽和エネルギ(Es,2)及び小信号利得(g0,2)によって特徴付けられる利得媒体を有し、前記第1の増幅ビームを増幅して第2の増幅ビームを生成する第2の増幅器と、を備え、
前記第1の増幅器の利得媒体は、第1のガス組成を有するガスを含み、前記第2の増幅器の利得媒体は、前記第1のガス組成とは異なるガス組成を有するガスを含み、さらに、前記第1の増幅器の利得媒体は、ガス圧P1のガスであり、前記第2の増幅器の利得媒体は、P1≠P2であるガス圧P2のガスであり、
利得媒体長(L1+L2)、飽和エネルギ(Es,1)、及び小信号利得(g0,1)によって、或いは利得媒体長(L1+L2)、飽和エネルギ(Es,2)、及び小信号利得(g0,2)によって特徴付けられる利得媒体を有する単一の増幅器への入力エネルギが前記第1の増幅器への入力エネルギと同じであるときに、前記第1の増幅器への入力エネルギは、前記第2の増幅器からの出力エネルギが、前記単一の増幅器の出力エネルギより大きくなるように調整されており、
前記パルス伸長器は、移動する原材料がそれぞれのパルスピークに異なる位置で照射されるように、それぞれのパルスピークを、前記パルス伸長器を出る異なる経路に置く、レーザ光源。 - 前記ガスは、CO2を含むことを特徴とする請求項1に記載のレーザ光源。
- (g0,1)>(g0,2)>(g0,3)及び(Es,3)>(Es,2)>(Es,1)である飽和エネルギ(Es,3)及び小信号利得(g0,3)によって特徴付けられる利得媒体を有し、前記第2の増幅ビームを増幅して第3の増幅ビームを生成する第3の増幅器を更に含むことを特徴とする請求項1に記載のレーザ光源。
- 前記レーザ発振器は、空洞減衰レーザ発振器であることを特徴とする請求項1に記載のレーザ光源。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/452,558 | 2006-06-14 | ||
US11/452,558 US7518787B2 (en) | 2006-06-14 | 2006-06-14 | Drive laser for EUV light source |
PCT/US2007/013862 WO2007146329A2 (en) | 2006-06-14 | 2007-06-11 | Drive laser for euv light source |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009540607A JP2009540607A (ja) | 2009-11-19 |
JP2009540607A5 JP2009540607A5 (ja) | 2010-07-29 |
JP6037594B2 true JP6037594B2 (ja) | 2016-12-07 |
Family
ID=38832514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009515472A Active JP6037594B2 (ja) | 2006-06-14 | 2007-06-11 | Euv光源のための駆動レーザ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7518787B2 (ja) |
JP (1) | JP6037594B2 (ja) |
TW (1) | TWI360271B (ja) |
WO (1) | WO2007146329A2 (ja) |
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US7897947B2 (en) * | 2007-07-13 | 2011-03-01 | Cymer, Inc. | Laser produced plasma EUV light source having a droplet stream produced using a modulated disturbance wave |
US7916388B2 (en) * | 2007-12-20 | 2011-03-29 | Cymer, Inc. | Drive laser for EUV light source |
US7491954B2 (en) * | 2006-10-13 | 2009-02-17 | Cymer, Inc. | Drive laser delivery systems for EUV light source |
US8653437B2 (en) | 2010-10-04 | 2014-02-18 | Cymer, Llc | EUV light source with subsystem(s) for maintaining LPP drive laser output during EUV non-output periods |
US7671349B2 (en) | 2003-04-08 | 2010-03-02 | Cymer, Inc. | Laser produced plasma EUV light source |
US8654438B2 (en) * | 2010-06-24 | 2014-02-18 | Cymer, Llc | Master oscillator-power amplifier drive laser with pre-pulse for EUV light source |
US8158960B2 (en) | 2007-07-13 | 2012-04-17 | Cymer, Inc. | Laser produced plasma EUV light source |
US7812329B2 (en) | 2007-12-14 | 2010-10-12 | Cymer, Inc. | System managing gas flow between chambers of an extreme ultraviolet (EUV) photolithography apparatus |
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US8275007B2 (en) * | 2009-05-04 | 2012-09-25 | Ipg Photonics Corporation | Pulsed laser system with optimally configured saturable absorber |
JP2011192961A (ja) * | 2010-02-19 | 2011-09-29 | Komatsu Ltd | レーザ装置、極端紫外光生成装置、およびメンテナンス方法 |
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-
2006
- 2006-06-14 US US11/452,558 patent/US7518787B2/en active Active
-
2007
- 2007-05-28 TW TW096118947A patent/TWI360271B/zh active
- 2007-06-11 WO PCT/US2007/013862 patent/WO2007146329A2/en active Application Filing
- 2007-06-11 JP JP2009515472A patent/JP6037594B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20070291350A1 (en) | 2007-12-20 |
TW200807827A (en) | 2008-02-01 |
JP2009540607A (ja) | 2009-11-19 |
WO2007146329A3 (en) | 2008-11-27 |
US7518787B2 (en) | 2009-04-14 |
WO2007146329A2 (en) | 2007-12-21 |
TWI360271B (en) | 2012-03-11 |
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