CN1309826A - 激光系统的脉冲控制 - Google Patents
激光系统的脉冲控制 Download PDFInfo
- Publication number
- CN1309826A CN1309826A CN99808529A CN99808529A CN1309826A CN 1309826 A CN1309826 A CN 1309826A CN 99808529 A CN99808529 A CN 99808529A CN 99808529 A CN99808529 A CN 99808529A CN 1309826 A CN1309826 A CN 1309826A
- Authority
- CN
- China
- Prior art keywords
- laser
- pulse
- emission
- energy
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
- H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
- H01C17/242—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by laser
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/01—Details
- H01G5/019—Means for correcting the capacitance characteristics
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1123—Q-switching
- H01S3/117—Q-switching using intracavity acousto-optic devices
-
- 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
- H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
-
- 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
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08059—Constructional details of the reflector, e.g. shape
- H01S3/08068—Holes; Stepped surface; Special cross-section
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10038—Amplitude control
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10038—Amplitude control
- H01S3/10046—Pulse repetition rate control
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/1068—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using an acousto-optical device
Abstract
Description
Claims (39)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/096,600 US6339604B1 (en) | 1998-06-12 | 1998-06-12 | Pulse control in laser systems |
US09/096,600 | 1998-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1309826A true CN1309826A (zh) | 2001-08-22 |
CN100399654C CN100399654C (zh) | 2008-07-02 |
Family
ID=22258140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998085294A Expired - Fee Related CN100399654C (zh) | 1998-06-12 | 1999-06-02 | 激光系统的脉冲控制 |
Country Status (10)
Country | Link |
---|---|
US (4) | US6339604B1 (zh) |
EP (1) | EP1097492B1 (zh) |
JP (1) | JP3825631B2 (zh) |
KR (1) | KR100433374B1 (zh) |
CN (1) | CN100399654C (zh) |
AU (1) | AU4325899A (zh) |
CA (1) | CA2334764A1 (zh) |
DE (1) | DE69940693D1 (zh) |
TW (1) | TW463432B (zh) |
WO (1) | WO1999065123A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102371431A (zh) * | 2010-08-13 | 2012-03-14 | 豪晶科技股份有限公司 | 激光加工制程装置 |
CN107546563A (zh) * | 2016-06-28 | 2018-01-05 | 广州禾信仪器股份有限公司 | 激光能量自动控制方法及装置 |
CN109891689A (zh) * | 2016-12-05 | 2019-06-14 | 极光先进雷射株式会社 | 激光装置 |
Families Citing this family (83)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5998759A (en) * | 1996-12-24 | 1999-12-07 | General Scanning, Inc. | Laser processing |
US6339604B1 (en) | 1998-06-12 | 2002-01-15 | General Scanning, Inc. | Pulse control in laser systems |
US6144118A (en) | 1998-09-18 | 2000-11-07 | General Scanning, Inc. | High-speed precision positioning apparatus |
US6300590B1 (en) * | 1998-12-16 | 2001-10-09 | General Scanning, Inc. | Laser processing |
US8217304B2 (en) * | 2001-03-29 | 2012-07-10 | Gsi Group Corporation | Methods and systems for thermal-based laser processing a multi-material device |
US7723642B2 (en) | 1999-12-28 | 2010-05-25 | Gsi Group Corporation | Laser-based system for memory link processing with picosecond lasers |
US7838794B2 (en) * | 1999-12-28 | 2010-11-23 | Gsi Group Corporation | Laser-based method and system for removing one or more target link structures |
US7671295B2 (en) * | 2000-01-10 | 2010-03-02 | Electro Scientific Industries, Inc. | Processing a memory link with a set of at least two laser pulses |
US20030222324A1 (en) * | 2000-01-10 | 2003-12-04 | Yunlong Sun | Laser systems for passivation or link processing with a set of laser pulses |
US20060141681A1 (en) * | 2000-01-10 | 2006-06-29 | Yunlong Sun | Processing a memory link with a set of at least two laser pulses |
US20030024913A1 (en) * | 2002-04-15 | 2003-02-06 | Downes Joseph P. | Laser scanning method and system for marking articles such as printed circuit boards, integrated circuits and the like |
JP2001352120A (ja) * | 2000-06-06 | 2001-12-21 | Matsushita Electric Ind Co Ltd | レーザ装置とその制御方法およびそれを用いたレーザ加工方法とレーザ加工機 |
JP2002040627A (ja) * | 2000-07-24 | 2002-02-06 | Nec Corp | レーザパターン修正方法並びに修正装置 |
JP2002103066A (ja) * | 2000-09-25 | 2002-04-09 | Nec Corp | レーザ加工装置 |
US20070173075A1 (en) * | 2001-03-29 | 2007-07-26 | Joohan Lee | Laser-based method and system for processing a multi-material device having conductive link structures |
DE10140254A1 (de) * | 2001-08-09 | 2003-03-06 | Trumpf Laser Gmbh & Co Kg | Laserverstärkersystem |
JP3838064B2 (ja) * | 2001-09-28 | 2006-10-25 | 松下電器産業株式会社 | レーザ制御方法 |
US6875950B2 (en) * | 2002-03-22 | 2005-04-05 | Gsi Lumonics Corporation | Automated laser trimming of resistors |
US7563695B2 (en) * | 2002-03-27 | 2009-07-21 | Gsi Group Corporation | Method and system for high-speed precise laser trimming and scan lens for use therein |
US6951995B2 (en) | 2002-03-27 | 2005-10-04 | Gsi Lumonics Corp. | Method and system for high-speed, precise micromachining an array of devices |
US7119351B2 (en) * | 2002-05-17 | 2006-10-10 | Gsi Group Corporation | Method and system for machine vision-based feature detection and mark verification in a workpiece or wafer marking system |
EP1416323B1 (en) * | 2002-10-28 | 2007-12-05 | FUJIFILM Corporation | Laser marking method |
ES2384871T3 (es) * | 2003-02-14 | 2012-07-13 | Universität Heidelberg | Procedimiento de generación de al menos un impulso y/o secuencia de impulsos con parámetros controlables |
US6930274B2 (en) * | 2003-03-26 | 2005-08-16 | Siemens Vdo Automotive Corporation | Apparatus and method of maintaining a generally constant focusing spot size at different average laser power densities |
US7616669B2 (en) * | 2003-06-30 | 2009-11-10 | Electro Scientific Industries, Inc. | High energy pulse suppression method |
US6947454B2 (en) * | 2003-06-30 | 2005-09-20 | Electro Scientific Industries, Inc. | Laser pulse picking employing controlled AOM loading |
DE112004001527T5 (de) * | 2003-08-19 | 2006-07-06 | Electro Scientific Industries, Inc., Portland | Verfahren und Lasersysteme zur Verbindungsbearbeitung unter Verwendung von Laserimpulsen mit speziell zugeschnittenen Leistungsprofilen |
US7505196B2 (en) * | 2004-03-31 | 2009-03-17 | Imra America, Inc. | Method and apparatus for controlling and protecting pulsed high power fiber amplifier systems |
US7020582B1 (en) | 2004-04-28 | 2006-03-28 | Altera Corporation | Methods and apparatus for laser marking of integrated circuit faults |
US7103077B2 (en) * | 2004-04-29 | 2006-09-05 | 20/10 Perfect Vision Optische Geraete Gmbh | System and method for measuring and controlling an energy of an ultra-short pulse of a laser beam |
US7139294B2 (en) * | 2004-05-14 | 2006-11-21 | Electro Scientific Industries, Inc. | Multi-output harmonic laser and methods employing same |
DE112005001324T5 (de) * | 2004-06-07 | 2007-08-23 | Electro Scientific Industries, Inc., Portland | AOM-Modulationstechniken zur Verbesserung von Lasersystemleistung |
US7019891B2 (en) * | 2004-06-07 | 2006-03-28 | Electro Scientific Industries, Inc. | AOM modulation techniques employing plurality of tilt-angled transducers to improve laser system performance |
US7120174B2 (en) * | 2004-06-14 | 2006-10-10 | Jds Uniphase Corporation | Pulsed laser apparatus and method |
US20060000814A1 (en) * | 2004-06-30 | 2006-01-05 | Bo Gu | Laser-based method and system for processing targeted surface material and article produced thereby |
US7227098B2 (en) * | 2004-08-06 | 2007-06-05 | Electro Scientific Industries, Inc. | Method and system for decreasing the effective pulse repetition frequency of a laser |
US7372878B2 (en) * | 2004-08-06 | 2008-05-13 | Electro Scientific Industries, Inc. | Method and system for preventing excessive energy build-up in a laser cavity |
US20060159138A1 (en) * | 2004-12-21 | 2006-07-20 | Institut National D'optique | Pulsed laser light source |
US20060151704A1 (en) * | 2004-12-30 | 2006-07-13 | Cordingley James J | Laser-based material processing methods, system and subsystem for use therein for precision energy control |
US20060191884A1 (en) * | 2005-01-21 | 2006-08-31 | Johnson Shepard D | High-speed, precise, laser-based material processing method and system |
JP5183013B2 (ja) * | 2005-01-27 | 2013-04-17 | 住友電工デバイス・イノベーション株式会社 | レーザモジュールおよび外部共振型レーザの波長制御方法 |
JP4874561B2 (ja) * | 2005-03-24 | 2012-02-15 | 芝浦メカトロニクス株式会社 | Qスイッチレーザ装置 |
FR2883782B1 (fr) * | 2005-04-01 | 2008-10-10 | Valeo Electronique Sys Liaison | Procede et dispositif de controle de la puissance transmise par un faisceau laser en un point de reference, dispositif et procede de brasage |
FR2885265B1 (fr) * | 2005-04-28 | 2009-10-09 | Femlight Sa | Dispositif laser declenche a fibre photonique |
US20060289411A1 (en) * | 2005-06-24 | 2006-12-28 | New Wave Research | Laser system with multiple operating modes and work station using same |
US20070215575A1 (en) * | 2006-03-15 | 2007-09-20 | Bo Gu | Method and system for high-speed, precise, laser-based modification of one or more electrical elements |
US8822880B2 (en) * | 2006-06-16 | 2014-09-02 | Valeo Etudes Electroniques | Method and device for controlling the power transmitted by a laser to a reference point, soldering device and method |
US8084706B2 (en) * | 2006-07-20 | 2011-12-27 | Gsi Group Corporation | System and method for laser processing at non-constant velocities |
US7643521B2 (en) * | 2006-07-27 | 2010-01-05 | Technolas Perfect Vision Gmbh | Material processing system with variable repetition rate laser |
US7732731B2 (en) * | 2006-09-15 | 2010-06-08 | Gsi Group Corporation | Method and system for laser processing targets of different types on a workpiece |
WO2008086091A1 (en) * | 2007-01-05 | 2008-07-17 | Gsi Group Corporation | System and method for multi-pulse laser processing |
US7817685B2 (en) * | 2007-01-26 | 2010-10-19 | Electro Scientific Industries, Inc. | Methods and systems for generating pulse trains for material processing |
US9029731B2 (en) * | 2007-01-26 | 2015-05-12 | Electro Scientific Industries, Inc. | Methods and systems for laser processing continuously moving sheet material |
JP2008207210A (ja) * | 2007-02-26 | 2008-09-11 | Disco Abrasive Syst Ltd | レーザー光線照射装置およびレーザー加工機 |
US8278595B2 (en) * | 2007-03-16 | 2012-10-02 | Electro Scientific Industries, Inc. | Use of predictive pulse triggering to improve accuracy in link processing |
KR20140137465A (ko) * | 2007-09-19 | 2014-12-02 | 지에스아이 그룹 코포레이션 | 고속 빔 편향 링크 가공 |
JP5192213B2 (ja) * | 2007-11-02 | 2013-05-08 | 株式会社ディスコ | レーザー加工装置 |
JP5024118B2 (ja) * | 2008-02-29 | 2012-09-12 | 住友電気工業株式会社 | レーザ発振方法、レーザ、レーザ加工方法、及びレーザ測定方法 |
JP5461519B2 (ja) | 2008-03-31 | 2014-04-02 | エレクトロ サイエンティフィック インダストリーズ インコーポレーテッド | 複数のビームを結合し、繰り返し率と平均パワーが高い偏光レーザビームを形成する方法 |
US20110210105A1 (en) * | 2009-12-30 | 2011-09-01 | Gsi Group Corporation | Link processing with high speed beam deflection |
US8351477B2 (en) | 2010-07-22 | 2013-01-08 | Coherent Gmbh | Modulation method for diode-laser pumped lasers |
US8604380B2 (en) * | 2010-08-19 | 2013-12-10 | Electro Scientific Industries, Inc. | Method and apparatus for optimally laser marking articles |
US8593722B2 (en) | 2011-07-05 | 2013-11-26 | Electro Scientific Industries, Inc. | Systems and methods for providing temperature stability of acousto-optic beam deflectors and acousto-optic modulators during use |
TWI558578B (zh) * | 2011-09-28 | 2016-11-21 | 伊雷克托科學工業股份有限公司 | 用於最佳化地雷射標記物品之方法和設備 |
US8767291B2 (en) * | 2012-03-16 | 2014-07-01 | Kla-Tencor Corporation | Suppression of parasitic optical feedback in pulse laser systems |
KR101442164B1 (ko) * | 2013-04-15 | 2014-11-17 | (주)엔에스 | 재단장치 및 이를 이용한 재단방법 |
US8995052B1 (en) * | 2013-09-09 | 2015-03-31 | Coherent Kaiserslautern GmbH | Multi-stage MOPA with first-pulse suppression |
CN103592783B (zh) * | 2013-11-25 | 2016-04-20 | 核工业理化工程研究院 | 光致漂移实验研究中基于电光光开关的激光时域调制器 |
CN104332809B (zh) * | 2014-08-25 | 2015-08-26 | 深圳市创鑫激光股份有限公司 | 基于声光开关的脉宽可调脉冲光纤激光器 |
JP2016070900A (ja) * | 2014-10-02 | 2016-05-09 | セイコーエプソン株式会社 | 磁気計測装置の製造方法、ガスセルの製造方法、磁気計測装置、およびガスセル |
JP6588707B2 (ja) * | 2015-02-06 | 2019-10-09 | スペクトロニクス株式会社 | レーザ光源装置及びレーザパルス光生成方法 |
WO2017042357A1 (en) * | 2015-09-09 | 2017-03-16 | Sei S.P.A. | Laser machining apparatus and method for forming a pattern comprising a plurality of marks on a workpiece |
CN110050394B (zh) * | 2016-12-09 | 2021-01-12 | 古河电气工业株式会社 | 脉冲激光装置、加工装置及脉冲激光装置的控制方法 |
EP3794691A4 (en) | 2018-05-14 | 2022-01-26 | Civan Advanced Technologies Ltd. | LASER BEAM PROCESSES AND SYSTEMS |
DE102019205285A1 (de) * | 2019-04-12 | 2020-10-15 | Trumpf Laser Gmbh | Verfahren und Vorrichtung zum Erzeugen von Laserpulsen |
US11630188B1 (en) | 2021-03-26 | 2023-04-18 | Aeye, Inc. | Hyper temporal lidar with dynamic laser control using safety models |
US20230044929A1 (en) | 2021-03-26 | 2023-02-09 | Aeye, Inc. | Multi-Lens Lidar Receiver with Multiple Readout Channels |
US11619740B2 (en) | 2021-03-26 | 2023-04-04 | Aeye, Inc. | Hyper temporal lidar with asynchronous shot intervals and detection intervals |
US11486977B2 (en) | 2021-03-26 | 2022-11-01 | Aeye, Inc. | Hyper temporal lidar with pulse burst scheduling |
US11474213B1 (en) | 2021-03-26 | 2022-10-18 | Aeye, Inc. | Hyper temporal lidar with dynamic laser control using marker shots |
US11635495B1 (en) | 2021-03-26 | 2023-04-25 | Aeye, Inc. | Hyper temporal lidar with controllable tilt amplitude for a variable amplitude scan mirror |
KR20220149828A (ko) | 2021-04-30 | 2022-11-09 | 삼성전자주식회사 | 반도체 소자 |
US11874163B2 (en) | 2022-01-14 | 2024-01-16 | Ophir Optronics Solutions, Ltd. | Laser measurement apparatus having a removable and replaceable beam dump |
Family Cites Families (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US520579A (en) * | 1894-05-29 | Adjustable surgical chair | ||
US412330A (en) * | 1889-10-08 | gibson | ||
US5396A (en) * | 1847-12-11 | Dbagoon-saddletbee | ||
US3747019A (en) | 1970-07-16 | 1973-07-17 | Union Carbide Corp | Method and means for stabilizing the amplitude and repetition frequency of a repetitively q-switched laser |
US3703687A (en) * | 1971-02-12 | 1972-11-21 | Bell Telephone Labor Inc | Intracavity modulator |
US4337442A (en) | 1980-03-28 | 1982-06-29 | Electro Scientific Industries, Inc. | First laser pulse amplitude modulation |
US4461005A (en) * | 1980-10-27 | 1984-07-17 | Ward Ernest M | High peak power, high PRF laser system |
US4341446A (en) | 1980-10-27 | 1982-07-27 | Realist, Inc. | Microfiche reading carrel |
US4412330A (en) | 1981-04-16 | 1983-10-25 | Electro Scientific Industries, Inc. | Q-Switched laser with stable output and method of making the same |
US4483005A (en) * | 1981-09-24 | 1984-11-13 | Teradyne, Inc. | Affecting laser beam pulse width |
US4423005A (en) * | 1981-09-25 | 1983-12-27 | Baxter Travenol Laboratories, Inc. | Determining quantitative degree of ethylene oxide exposure in sterilization processes |
DE3404396A1 (de) * | 1984-02-08 | 1985-08-14 | Dornier Gmbh, 7990 Friedrichshafen | Vorrichtung und verfahren zur aufnahme von entfernungsbildern |
US4590598A (en) | 1984-06-13 | 1986-05-20 | Britt Corporation | Pulsed laser system |
US4601037A (en) | 1984-06-13 | 1986-07-15 | Britt Corporation | Pulsed laser system |
US4604513A (en) | 1985-05-07 | 1986-08-05 | Lim Basilio Y | Combination of a laser and a controller for trimming a metallized dielectric film capacitor |
US4675872A (en) | 1985-09-30 | 1987-06-23 | Harris Corporation | Driver unit for a laser Q-switch |
JPS6286851A (ja) | 1985-10-14 | 1987-04-21 | Nec Corp | レ−ザ−トリミング装置 |
US4730105A (en) | 1986-07-25 | 1988-03-08 | American Telephone And Telegraph Company, At&T Bell Laboratories | Apparatus for the stabilization of the output intensity of a laser using a Fabry-Perot cavity |
US5168400A (en) | 1986-09-29 | 1992-12-01 | United States Department Of Energy | Laser pulse stacking method |
DE3704338C2 (de) | 1987-02-12 | 1995-04-06 | Gsf Forschungszentrum Umwelt | Einrichtung zur Erzeugung verschiedener Laserwellenlängen aus demselben Lasermedium |
US4901323A (en) | 1987-05-01 | 1990-02-13 | Universities Research Association, Inc. | Laser pulse stretcher method and apparatus |
US5121245A (en) * | 1989-04-06 | 1992-06-09 | Electro Scientific Industries, Inc. | Laser system incorporating an acousto-optic device having reduced susceptibility to stress-induced birefringence |
US4972210A (en) * | 1989-06-28 | 1990-11-20 | Eastman Kodak Company | Driver for a diode laser |
IL91240A (en) | 1989-08-07 | 1994-07-31 | Quick Tech Ltd | Pulsed laser apparatus and systems and techniques for its operation |
ATE124465T1 (de) | 1990-01-11 | 1995-07-15 | Battelle Memorial Institute | Verbesserung von materialeigenschaften. |
US5157676A (en) | 1990-06-19 | 1992-10-20 | The United States Of America As Represented By The United States Department Of Energy | Apparatus and process for active pulse intensity control of laser beam |
DE4130802A1 (de) * | 1990-09-19 | 1992-04-23 | Tosoh Corp | Festkoerper-laseroszillator |
US5226051A (en) | 1991-06-04 | 1993-07-06 | Lightwave Electronics | Laser pump control for output power stabilization |
US5243615A (en) * | 1991-11-20 | 1993-09-07 | Laserscope | High-powered intracavity non-linear optic laser |
US5197074A (en) * | 1991-12-26 | 1993-03-23 | Electro Scientific Industries, Inc. | Multi-function intra-resonator loss modulator and method of operating same |
US5365532A (en) | 1992-10-09 | 1994-11-15 | Hughes Aircraft Company | Cavity dump laser amplitude stabilization |
US5291505A (en) * | 1993-01-21 | 1994-03-01 | Hughes Aircraft Company | Active energy control for diode pumped laser systems using pulsewidth modulation |
US5448417A (en) | 1993-03-16 | 1995-09-05 | Adams; Jeff C. | Laser pulse synthesizer |
US5339323A (en) | 1993-04-30 | 1994-08-16 | Lumonics Corporation | Laser system for controlling emitted pulse energy |
US5408480A (en) | 1993-07-15 | 1995-04-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Laser with optically driven Q-switch |
US5466484A (en) | 1993-09-29 | 1995-11-14 | Motorola, Inc. | Resistor structure and method of setting a resistance value |
US5453594A (en) | 1993-10-06 | 1995-09-26 | Electro Scientific Industries, Inc. | Radiation beam position and emission coordination system |
JP2500648B2 (ja) | 1993-10-29 | 1996-05-29 | 日本電気株式会社 | ビ―ムスキャン式レ―ザマ―キング装置 |
JPH0837329A (ja) | 1994-07-22 | 1996-02-06 | Toshiba Corp | パルスガスレーザ発振方法及びその装置 |
KR0132269B1 (ko) | 1994-08-24 | 1998-04-11 | 이대원 | 노광장비에서의 자동초점과 자동수평 조절장치 및 조절방법 |
JP2682475B2 (ja) | 1994-11-17 | 1997-11-26 | 日本電気株式会社 | ビームスキャン式レーザマーキング方法および装置 |
JPH08172236A (ja) | 1994-12-15 | 1996-07-02 | Nec Corp | Apc回路 |
US5730811A (en) | 1995-12-21 | 1998-03-24 | General Electric Company | Cavity dumped laser shock peening process |
US5596590A (en) * | 1996-01-25 | 1997-01-21 | Cymer Laser Technologies | Beam diverting shutter for a laser beam |
US5721749A (en) | 1996-01-30 | 1998-02-24 | Trw Inc. | Laser pulse profile control by modulating relaxation oscillations |
KR970063847A (ko) * | 1996-02-09 | 1997-09-12 | 김광호 | 펄스 레이저광 발생 장치 |
US5982790A (en) | 1997-01-16 | 1999-11-09 | Lightwave Electronics Corporation | System for reducing pulse-to-pulse energy variation in a pulsed laser |
DE19705330C1 (de) * | 1997-02-12 | 1998-02-19 | Lambda Physik Gmbh | Verfahren und Festkörperlasersystem zum Erzeugen von Laserimpulsen mit variabler Impulsfolgefrequenz und konstanten Strahleigenschaften |
US5816573A (en) | 1997-02-28 | 1998-10-06 | Bolling, Sr.; Harold Lloyd | Give and take card game |
US5812569A (en) | 1997-03-21 | 1998-09-22 | Lumonics, Inc. | Stabilization of the output energy of a pulsed solid state laser |
US6172331B1 (en) | 1997-09-17 | 2001-01-09 | General Electric Company | Method and apparatus for laser drilling |
US6054673A (en) | 1997-09-17 | 2000-04-25 | General Electric Company | Method and apparatus for laser drilling |
US6021154A (en) | 1997-11-21 | 2000-02-01 | General Electric Company | Laser shock peening method and reflective laser beam homogenizer |
US6009110A (en) | 1998-03-11 | 1999-12-28 | Lightwave Electronics Corporation | Pulse amplitude control in frequency-converted lasers |
US6339604B1 (en) | 1998-06-12 | 2002-01-15 | General Scanning, Inc. | Pulse control in laser systems |
US6172325B1 (en) | 1999-02-10 | 2001-01-09 | Electro Scientific Industries, Inc. | Laser processing power output stabilization apparatus and method employing processing position feedback |
US6418154B1 (en) * | 1999-06-07 | 2002-07-09 | Coherent, Inc. | Pulsed diode-pumped solid-state laser |
GB2386184B (en) | 2000-07-12 | 2004-05-26 | Electro Scient Ind Inc | UV laser system and method for single pulse severing of IC fuses |
-
1998
- 1998-06-12 US US09/096,600 patent/US6339604B1/en not_active Expired - Lifetime
-
1999
- 1999-06-02 JP JP2000554036A patent/JP3825631B2/ja not_active Expired - Fee Related
- 1999-06-02 EP EP99955568A patent/EP1097492B1/en not_active Expired - Lifetime
- 1999-06-02 CN CNB998085294A patent/CN100399654C/zh not_active Expired - Fee Related
- 1999-06-02 DE DE69940693T patent/DE69940693D1/de not_active Expired - Lifetime
- 1999-06-02 CA CA002334764A patent/CA2334764A1/en not_active Abandoned
- 1999-06-02 WO PCT/US1999/012148 patent/WO1999065123A1/en active IP Right Grant
- 1999-06-02 AU AU43258/99A patent/AU4325899A/en not_active Abandoned
- 1999-06-02 KR KR10-2000-7014084A patent/KR100433374B1/ko not_active IP Right Cessation
- 1999-06-15 TW TW088109804A patent/TW463432B/zh active
-
2000
- 2000-08-07 US US09/633,837 patent/US6831936B1/en not_active Expired - Lifetime
-
2004
- 2004-12-07 US US11/005,981 patent/US6973104B2/en not_active Expired - Fee Related
-
2005
- 2005-07-11 US US11/178,863 patent/US20050271095A1/en not_active Abandoned
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102371431A (zh) * | 2010-08-13 | 2012-03-14 | 豪晶科技股份有限公司 | 激光加工制程装置 |
CN102371431B (zh) * | 2010-08-13 | 2015-06-10 | 豪晶科技股份有限公司 | 激光加工制程装置 |
CN107546563A (zh) * | 2016-06-28 | 2018-01-05 | 广州禾信仪器股份有限公司 | 激光能量自动控制方法及装置 |
CN107546563B (zh) * | 2016-06-28 | 2020-04-21 | 广州禾信仪器股份有限公司 | 激光能量自动控制方法及装置 |
CN109891689A (zh) * | 2016-12-05 | 2019-06-14 | 极光先进雷射株式会社 | 激光装置 |
US10965090B2 (en) | 2016-12-05 | 2021-03-30 | Gigaphoton Inc. | Laser apparatus |
CN109891689B (zh) * | 2016-12-05 | 2021-05-11 | 极光先进雷射株式会社 | 激光装置 |
Also Published As
Publication number | Publication date |
---|---|
US6831936B1 (en) | 2004-12-14 |
EP1097492A1 (en) | 2001-05-09 |
AU4325899A (en) | 1999-12-30 |
US6339604B1 (en) | 2002-01-15 |
US20050271095A1 (en) | 2005-12-08 |
CN100399654C (zh) | 2008-07-02 |
KR20010071457A (ko) | 2001-07-28 |
JP2002518834A (ja) | 2002-06-25 |
EP1097492A4 (en) | 2005-05-11 |
US20050105568A1 (en) | 2005-05-19 |
WO1999065123A1 (en) | 1999-12-16 |
JP3825631B2 (ja) | 2006-09-27 |
EP1097492B1 (en) | 2009-04-08 |
CA2334764A1 (en) | 1999-12-16 |
KR100433374B1 (ko) | 2004-05-27 |
US6973104B2 (en) | 2005-12-06 |
DE69940693D1 (de) | 2009-05-20 |
TW463432B (en) | 2001-11-11 |
WO1999065123A9 (en) | 2000-03-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1309826A (zh) | 激光系统的脉冲控制 | |
US4930901A (en) | Method of and apparatus for modulating a laser beam | |
US6784399B2 (en) | Micromachining with high-energy, intra-cavity Q-switched CO2 laser pulses | |
US7205501B2 (en) | Laser machining method and laser machining apparatus | |
KR101123231B1 (ko) | 제어된 aom 부하를 사용하는 레이저 펄스 피킹 | |
US8081668B2 (en) | High energy pulse suppression method | |
US7817686B2 (en) | Laser micromachining using programmable pulse shapes | |
US6490299B1 (en) | Method and laser system for generating laser radiation of specific temporal shape for production of high quality laser-induced damage images | |
JP4175544B2 (ja) | パルス列生成のためのqスイッチ方法 | |
WO2011123449A2 (en) | Laser systems and methods using triangular-shaped tailored laser pulses for selected target classes | |
JP2013505837A (ja) | 有益なパルス形状を有するレーザパルスのバーストを使用して薄膜材料にラインをスクライブする方法及び装置 | |
KR101631673B1 (ko) | 레이저 펄스 등화를 위한 시스템 및 방법 | |
JP5082798B2 (ja) | レーザ発振装置及びその制御方法 | |
US6806440B2 (en) | Quasi-CW diode pumped, solid-state UV laser system and method employing same | |
US6222862B1 (en) | Control method of exciting a pulse laser and power supply unit for exciting a pulse laser | |
US6781090B2 (en) | Quasi-CW diode-pumped, solid-state harmonic laser system and method employing same | |
CN112003122A (zh) | 一种声光调q的亚纳秒红外固体激光器及其控制方法 | |
JP2000252571A (ja) | レーザマーキング装置 | |
Subhash et al. | Inexpensive timing circuit for a Q‐switched solid‐state laser using NE555 Timers | |
JPS6235871B2 (zh) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: GSI LUMONICS CORP. Free format text: FORMER OWNER: GENERAL SCANNING, INC. Effective date: 20131218 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131218 Address after: Massachusetts USA Patentee after: GSI Lumonics Corp. Address before: Massachusetts, USA Patentee before: General Scanning Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20150602 |
|
EXPY | Termination of patent right or utility model |