KR102593876B1 - 광학적 요소를 모니터링하기 위한 장비, 레이저 소스 및 euv 복사 생성 장치 - Google Patents
광학적 요소를 모니터링하기 위한 장비, 레이저 소스 및 euv 복사 생성 장치 Download PDFInfo
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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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0401—Arrangements for thermal management of optical elements being part of laser resonator, e.g. windows, mirrors, lenses
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/005—Testing of reflective surfaces, e.g. mirrors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/707—Auxiliary equipment for monitoring laser beam transmission optics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/38—Investigating fluid-tightness of structures by using light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
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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
- G02B7/008—Mountings, adjusting means, or light-tight connections, for optical elements with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
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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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
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Abstract
Description
도 2는 그러한 레이저 소스를 구비하는 EUV 복사 생성 장치의 개략적 도면을 도시한다.
도면들에 대한 뒤따르는 설명에서, 동일한 참조 부호들이, 동일한 구성요소들에 대해 또는 동일한 기능을 갖는 구성요소들에 대해 사용된다.
Claims (13)
- 광학적 요소(2)를 모니터링하기 위한 장비(1)로서:
광학적 요소(2)의 표면(8) 상으로 복사(9)를 방출하기 위한 광원(5),
적어도 부분적으로 광학적 요소(2)의 표면(8)에서 반사된 복사(9)를 검출하기 위한 검출기(6),
광학적 요소(2)를 위한 홀더(7)로서, 광원(5) 및 검출기(6)가 그 내부에 통합되는 것인, 홀더(7)
를 포함하는 것인, 장비(1)에 있어서,
상기 홀더(7)는, 냉각액(12)이 그를 통해 유동할 수 있는, 냉각 구역(10)을 구비하고, 상기 냉각 구역(10)은, 광학적 요소(2)와 접촉하며, 그리고
상기 홀더(7)는, 누출의 경우에 상기 광학적 요소(2)에서 누출되는 냉각액(12)을 수용하기 위한, 상기 광원(5)과 상기 검출기(6) 사이의 빔 경로(14)가 그를 통해 연장되는, 저장통(13)을 포함하는 것을 특징으로 하는 장비. - 제1항에 있어서,
상기 홀더(7)는, 상기 저장통(13)이, 중력(Z)의 방향으로, 상기 광학적 요소(2)의 상기 표면(8) 아래에 위치되도록, 배향되는 것인, 장비. - 제2항에 있어서,
상기 표면(8)을 지향하는 상기 저장통(13)의 상측 에지 섹션(16a)이, 중력(Z)의 방향으로, 상기 표면(8)으로부터 떨어진 상기 저장통(13)의 상측 에지 섹션(16b) 아래에 위치되거나, 또는 그 반대인 것인, 장비. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 저장통은, 상기 광원(5) 또는 상기 검출기(6)가 그 내부에 배열되는, 상기 홀더(7) 내의 리세스(13)를 형성하는 것인, 장비. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 광원(5)은, 중력(Z)의 방향에 대해 10° 초과의 각도(α)로 상기 표면(8) 상으로 복사(9)를 방출하도록 구성되거나;
상기 검출기(6)는, 중력(Z)의 방향에 대해 10° 초과의 각도(α)로 상기 표면(8)에서 반사되는 복사(9)를 검출하도록 구성되거나; 또는
상기 광원(5)은, 중력(Z)의 방향에 대해 10° 초과의 각도(α)로 상기 표면(8) 상으로 복사(9)를 방출하도록 구성되며, 그리고 상기 검출기(6)는, 중력(Z)의 방향에 대해 10° 초과의 각도(α)로 상기 표면(8)에서 반사되는 복사(9)를 검출하도록 구성되는 것인, 장비. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 광원(5)은, 만곡된 광 방출면(5a)을 구비하는 것인, 장비. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 광원(5)은, IR 파장 범위 내의 복사(9)를 방출하도록 구성되는 것인, 장비. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 홀더(7)는, 상기 광학적 요소(2)로부터 상기 저장통(13) 내로 냉각액(12)을 급송하기 위한 급송 윤곽부(15, 15a)를 구비하는 것인, 장비. - 제8항에 있어서,
상기 급송 윤곽부는, 상기 표면(8)에 인접하게 위치되는 상기 홀더(7)의 내측 에지(7a)와 상기 저장통(13) 사이에서 연장되는, 경사진 급송 부분(15)을 포함하는 것인, 장비. - 제1항 내지 제3항 중 어느 한 항에 있어서,
냉각액(12)을 상기 냉각 구역(10)으로 급송하기 위한 급송 장치(11)를 더 포함하는 것인, 장비. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 검출기(6)에 의해 검출되는 복사(9)의 강도(ID)를 기준 강도(IR)와 비교하기 위한, 평가 장치(17)를 더 포함하는 것인, 장비. - 레이저 소스(21)로서:
레이저 소스(21)의 광학적 요소를 모니터링하기 위한 제1항 내지 제3항 중 어느 한 항에 따른 장비(1)를 포함하는 것인, 레이저 소스. - EUV 복사 생성 장치(20)로서:
광학적 요소(2)를 모니터링하기 위한 제1항 내지 제3항 중 어느 한 항에 따른 장비(1)를 포함하는 것인, EUV 복사 생성 장치.
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PCT/EP2019/051679 WO2020151821A1 (de) | 2019-01-24 | 2019-01-24 | Anordnung zur überwachung eines optischen elements, laserquelle und euv-strahlungserzeugungsvorrichtung |
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US (1) | US11322902B2 (ko) |
EP (1) | EP3914889B1 (ko) |
KR (1) | KR102593876B1 (ko) |
TW (1) | TWI776120B (ko) |
WO (1) | WO2020151821A1 (ko) |
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DE102022120482A1 (de) * | 2022-08-12 | 2024-02-15 | Trumpf Laser Gmbh | Anordnung zum Laserschutz |
Citations (3)
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DE19839930C1 (de) | 1998-09-02 | 1999-09-09 | Jurca Optoelektronik Gmbh | Verfahren zur Überwachung der Funktionalität des transparenten Schutzelementes einer transparenten Laseroptik sowie Einrichtung zur Durchführung dieses Verfahrens |
DE102007030398A1 (de) | 2007-06-29 | 2009-01-02 | Trumpf Laser- Und Systemtechnik Gmbh | Vorrichtung und Verfahren zur Überwachung der Temperatur und/oder einer temperaturabhängigen Kenngröße eines optischen Elements |
DE102012102785B3 (de) | 2012-03-30 | 2013-02-21 | Marius Jurca | Verfahren und Überwachungseinrichtung zur Erfassung und Überwachung der Verschmutzung einer optischen Komponente in einer Vorrichtung zur Lasermaterialbearbeitung |
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US3459942A (en) * | 1966-12-05 | 1969-08-05 | Gen Electric | High frequency light source |
US4639264A (en) | 1983-08-26 | 1987-01-27 | Ciga-Geigy Corporation | Herbicidal N-arylsulfonyl-N'-(4-mercaptomethylpyrimdinyl)-ureas |
CN1300471C (zh) | 2001-06-21 | 2007-02-14 | 日立建机株式会社 | 施工机械的液压驱动装置及液压驱动方法 |
ATE459869T1 (de) * | 2002-09-12 | 2010-03-15 | Trumpf Laser & Systemtechnik | Vorrichtung zur überwachung der funktionalität eines optischen elements |
DE102008004745A1 (de) * | 2008-01-16 | 2009-07-23 | Daimler Ag | Sensoreinrichtung |
CN102445314A (zh) * | 2011-09-22 | 2012-05-09 | 安徽省电力公司合肥供电公司 | 激光成像sf6气体漏点定位系统 |
KR101852286B1 (ko) * | 2014-02-13 | 2018-04-25 | 트룸프 레이저-운트 시스템테크닉 게엠베하 | 진공 환경을 누출에 대해 보호하기 위한 디바이스 및 방법, 그리고 euv 복사-생성 장치 |
WO2017063686A1 (de) | 2015-10-14 | 2017-04-20 | Trumpf Lasersystems For Semiconductor Manufacturing Gmbh | Polarisatoranordnung, euv-strahlungserzeugungsvorrichtung damit und verfahren zur linearen polarisation eines laserstrahls |
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- 2019-01-24 KR KR1020217026082A patent/KR102593876B1/ko active IP Right Grant
- 2019-01-24 WO PCT/EP2019/051679 patent/WO2020151821A1/de unknown
- 2019-01-24 EP EP19701641.3A patent/EP3914889B1/de active Active
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- 2020-01-22 TW TW109102660A patent/TWI776120B/zh active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839930C1 (de) | 1998-09-02 | 1999-09-09 | Jurca Optoelektronik Gmbh | Verfahren zur Überwachung der Funktionalität des transparenten Schutzelementes einer transparenten Laseroptik sowie Einrichtung zur Durchführung dieses Verfahrens |
DE102007030398A1 (de) | 2007-06-29 | 2009-01-02 | Trumpf Laser- Und Systemtechnik Gmbh | Vorrichtung und Verfahren zur Überwachung der Temperatur und/oder einer temperaturabhängigen Kenngröße eines optischen Elements |
DE102012102785B3 (de) | 2012-03-30 | 2013-02-21 | Marius Jurca | Verfahren und Überwachungseinrichtung zur Erfassung und Überwachung der Verschmutzung einer optischen Komponente in einer Vorrichtung zur Lasermaterialbearbeitung |
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KR20210116573A (ko) | 2021-09-27 |
TW202035962A (zh) | 2020-10-01 |
TWI776120B (zh) | 2022-09-01 |
EP3914889A1 (de) | 2021-12-01 |
EP3914889B1 (de) | 2022-10-05 |
WO2020151821A1 (de) | 2020-07-30 |
US20210351554A1 (en) | 2021-11-11 |
US11322902B2 (en) | 2022-05-03 |
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