DE68907260D1 - Lichtstrahl-positionierungssystem. - Google Patents

Lichtstrahl-positionierungssystem.

Info

Publication number
DE68907260D1
DE68907260D1 DE8989106746T DE68907260T DE68907260D1 DE 68907260 D1 DE68907260 D1 DE 68907260D1 DE 8989106746 T DE8989106746 T DE 8989106746T DE 68907260 T DE68907260 T DE 68907260T DE 68907260 D1 DE68907260 D1 DE 68907260D1
Authority
DE
Germany
Prior art keywords
signals
light beam
control computer
error correction
system control
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.)
Expired - Lifetime
Application number
DE8989106746T
Other languages
English (en)
Other versions
DE68907260T2 (de
Inventor
Robert M Pailthorp
Howard V Goetz
Mark A Bortnem
Bruce E Edson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electro Scientific Industries Inc
Original Assignee
Electro Scientific Industries Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electro Scientific Industries Inc filed Critical Electro Scientific Industries Inc
Application granted granted Critical
Publication of DE68907260D1 publication Critical patent/DE68907260D1/de
Publication of DE68907260T2 publication Critical patent/DE68907260T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B23K26/042—Automatically aligning the laser beam
    • B23K26/043—Automatically aligning the laser beam along the beam path, i.e. alignment of laser beam axis relative to laser beam apparatus
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/401—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
    • G05B19/4015—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes going to a reference at the beginning of machine cycle, e.g. for calibration

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Human Computer Interaction (AREA)
  • Automation & Control Theory (AREA)
  • Laser Beam Processing (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Radiation-Therapy Devices (AREA)
  • Control Of Position Or Direction (AREA)
  • Optical Communication System (AREA)
DE89106746T 1988-04-25 1989-04-14 Lichtstrahl-Positionierungssystem. Expired - Lifetime DE68907260T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/185,414 US4941082A (en) 1988-04-25 1988-04-25 Light beam positioning system

Publications (2)

Publication Number Publication Date
DE68907260D1 true DE68907260D1 (de) 1993-07-29
DE68907260T2 DE68907260T2 (de) 1994-02-17

Family

ID=22680870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89106746T Expired - Lifetime DE68907260T2 (de) 1988-04-25 1989-04-14 Lichtstrahl-Positionierungssystem.

Country Status (7)

Country Link
US (1) US4941082A (de)
EP (1) EP0339402B1 (de)
JP (1) JP2616990B2 (de)
KR (1) KR0156563B1 (de)
AT (1) ATE91031T1 (de)
DE (1) DE68907260T2 (de)
HK (1) HK1000354A1 (de)

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US5430666A (en) * 1992-12-18 1995-07-04 Dtm Corporation Automated method and apparatus for calibration of laser scanning in a selective laser sintering apparatus
US5400132A (en) * 1993-10-12 1995-03-21 General Scanning Rectification of a laser pointing device
JP3077539B2 (ja) * 1994-12-22 2000-08-14 松下電器産業株式会社 レーザ加工方法
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US6190376B1 (en) 1996-12-10 2001-02-20 Asah Medico A/S Apparatus for tissue treatment
US6025256A (en) * 1997-01-06 2000-02-15 Electro Scientific Industries, Inc. Laser based method and system for integrated circuit repair or reconfiguration
US5938657A (en) * 1997-02-05 1999-08-17 Sahar Technologies, Inc. Apparatus for delivering energy within continuous outline
US6000801A (en) * 1997-05-02 1999-12-14 General Scanning, Inc. Multi-color laser projector for optical layup template and the like
JP4298835B2 (ja) 1999-01-22 2009-07-22 本田技研工業株式会社 自動二輪車の排気装置
KR100755335B1 (ko) 2000-01-11 2007-09-05 일렉트로 싸이언티픽 인더스트리이즈 인코포레이티드 아베 에러 정정 시스템 및 방법
US6791592B2 (en) * 2000-04-18 2004-09-14 Laserink Printing a code on a product
WO2002025640A2 (en) 2000-09-21 2002-03-28 Gsi Lumonics Corporation Digital control servo system
US6768100B1 (en) 2000-10-27 2004-07-27 Gsi Lumonics Corporation Continuous position calibration for servo controlled rotary system
US7062091B2 (en) * 2001-01-16 2006-06-13 Applied Precision, Llc Coordinate calibration for scanning systems
US7245412B2 (en) * 2001-02-16 2007-07-17 Electro Scientific Industries, Inc. On-the-fly laser beam path error correction for specimen target location processing
US6816294B2 (en) 2001-02-16 2004-11-09 Electro Scientific Industries, Inc. On-the-fly beam path error correction for memory link processing
US8497450B2 (en) 2001-02-16 2013-07-30 Electro Scientific Industries, Inc. On-the fly laser beam path dithering for enhancing throughput
US7160432B2 (en) 2001-03-14 2007-01-09 Applied Materials, Inc. Method and composition for polishing a substrate
JP2002321072A (ja) * 2001-04-27 2002-11-05 Sunx Ltd レーザマーキング装置
US6892337B1 (en) * 2001-08-22 2005-05-10 Cypress Semiconductor Corp. Circuit and method for testing physical layer functions of a communication network
US6706998B2 (en) 2002-01-11 2004-03-16 Electro Scientific Industries, Inc. Simulated laser spot enlargement
US7006237B2 (en) * 2002-03-26 2006-02-28 Mitsubishi Denki Kabushiki Kaisha Laser beam positioning device for laser processing equipment
KR100491308B1 (ko) * 2002-07-27 2005-05-24 주식회사 이오테크닉스 레이저 장치의 갈바노 스캐너의 드리프트 및 왜곡 보정방법
US6816535B2 (en) * 2002-09-17 2004-11-09 Northrop Grumman Corporation Co-alignment of time-multiplexed pulsed laser beams to a single reference point
US20050088510A1 (en) * 2003-10-24 2005-04-28 Shlomo Assa Low angle optics and reversed optics
US7046267B2 (en) * 2003-12-19 2006-05-16 Markem Corporation Striping and clipping correction
WO2005073819A1 (en) * 2004-01-23 2005-08-11 Gsi Lumonics Corporation System and method for diagnosing a controller in a limited rotation motor system
US7241981B2 (en) * 2004-03-05 2007-07-10 Lap Laser Llc Systems and methods for displaying images and processing work pieces
US7363180B2 (en) * 2005-02-15 2008-04-22 Electro Scientific Industries, Inc. Method for correcting systematic errors in a laser processing system
US7394479B2 (en) 2005-03-02 2008-07-01 Marken Corporation Pulsed laser printing
US7297972B2 (en) * 2005-08-26 2007-11-20 Electro Scientific Industries, Inc. Methods and systems for positioning a laser beam spot relative to a semiconductor integrated circuit using a processing target as a metrology target
US7315038B2 (en) * 2005-08-26 2008-01-01 Electro Scientific Industries, Inc. Methods and systems for positioning a laser beam spot relative to a semiconductor integrated circuit using a processing target as an alignment target
DE102005047217A1 (de) * 2005-10-01 2007-04-05 Carl Zeiss Jena Gmbh Verfahren zur Steuerung eines optischen Scanners und Steuereinrichtung für einen optischen Scanner
US8057463B2 (en) 2006-04-07 2011-11-15 Amo Development, Llc. Adaptive pattern correction for laser scanners
KR100866393B1 (ko) * 2006-12-15 2008-11-03 경상대학교산학협력단 평면 스캔 입자화상속도계 기법
EP2078221A1 (de) * 2007-08-06 2009-07-15 Stephen Hastings Verfahren zur reaktiven optischen korrektur von galvano-motor-abtastköpfen
JP5247095B2 (ja) * 2007-09-18 2013-07-24 株式会社村田製作所 レーザ加工におけるレーザ照射位置の補正方法
US8426768B2 (en) 2008-02-20 2013-04-23 Aerotech, Inc. Position-based laser triggering for scanner
KR20120113245A (ko) * 2009-12-30 2012-10-12 지에스아이 그룹 코포레이션 고속 빔 편향을 이용한 링크 처리
US20120132629A1 (en) * 2010-11-30 2012-05-31 Electro Scientific Industries, Inc. Method and apparatus for reducing taper of laser scribes
US10037346B1 (en) 2012-07-25 2018-07-31 Google Llc Time reservations for ensuring consistent reads in a distributed database without logging
CN103008878B (zh) * 2012-12-13 2015-06-17 苏州天弘激光股份有限公司 振镜加工的四坐标系校正方法
US9718146B2 (en) * 2013-06-03 2017-08-01 Mitsubishi Electric Research Laboratories, Inc. System and method for calibrating laser processing machines
WO2016090302A2 (en) 2014-12-05 2016-06-09 Convergent Dental, Inc. Systems and methods for alignment of a laser beam
CN105252911B (zh) * 2015-09-22 2017-04-12 深圳市创鑫激光股份有限公司 一种激光打标的校正方法和装置
US10583668B2 (en) 2018-08-07 2020-03-10 Markem-Imaje Corporation Symbol grouping and striping for wide field matrix laser marking
US11980965B2 (en) 2019-04-23 2024-05-14 General Electric Company Systems and methods for multi-laser head alignment in additive manufacturing systems

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FR2580870B1 (fr) * 1985-04-23 1987-09-25 Arnaud Jean Appareil de regulation de caracteristiques d'un faisceau lumineux, notamment d'un laser de puissance
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Also Published As

Publication number Publication date
JPH0222617A (ja) 1990-01-25
US4941082A (en) 1990-07-10
JP2616990B2 (ja) 1997-06-04
DE68907260T2 (de) 1994-02-17
KR890016408A (ko) 1989-11-29
ATE91031T1 (de) 1993-07-15
HK1000354A1 (en) 1998-03-06
EP0339402B1 (de) 1993-06-23
EP0339402A1 (de) 1989-11-02
KR0156563B1 (ko) 1998-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition