CA2370813C - Laser calibration apparatus and method - Google Patents

Laser calibration apparatus and method Download PDF

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Publication number
CA2370813C
CA2370813C CA002370813A CA2370813A CA2370813C CA 2370813 C CA2370813 C CA 2370813C CA 002370813 A CA002370813 A CA 002370813A CA 2370813 A CA2370813 A CA 2370813A CA 2370813 C CA2370813 C CA 2370813C
Authority
CA
Canada
Prior art keywords
laser beam
scanner
focused laser
position coordinates
aperture
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 - Fee Related
Application number
CA002370813A
Other languages
English (en)
French (fr)
Other versions
CA2370813A1 (en
Inventor
Anton Theodore Kitai
Ian James Miller
Robert Glenn Parker
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.)
Novanta Inc
Original Assignee
GSI Lumonics Inc Canada
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 GSI Lumonics Inc Canada filed Critical GSI Lumonics Inc Canada
Publication of CA2370813A1 publication Critical patent/CA2370813A1/en
Application granted granted Critical
Publication of CA2370813C publication Critical patent/CA2370813C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/083—Devices involving movement of the workpiece in at least one axial direction
    • B23K26/0853—Devices involving movement of the workpiece in at least in two axial directions, e.g. in a plane
    • 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
    • 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
    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • 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
    • B23K26/705—Beam measuring device

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA002370813A 1999-04-27 2000-04-26 Laser calibration apparatus and method Expired - Fee Related CA2370813C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13113899P 1999-04-27 1999-04-27
US60/131,138 1999-04-27
PCT/CA2000/000472 WO2000064622A1 (en) 1999-04-27 2000-04-26 Laser calibration apparatus and method

Publications (2)

Publication Number Publication Date
CA2370813A1 CA2370813A1 (en) 2000-11-02
CA2370813C true CA2370813C (en) 2008-06-17

Family

ID=22448055

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002370813A Expired - Fee Related CA2370813C (en) 1999-04-27 2000-04-26 Laser calibration apparatus and method

Country Status (8)

Country Link
US (1) US6501061B1 (enExample)
EP (1) EP1173302B1 (enExample)
JP (1) JP2002542042A (enExample)
KR (1) KR100600921B1 (enExample)
AU (1) AU4280700A (enExample)
CA (1) CA2370813C (enExample)
DE (1) DE60019573T2 (enExample)
WO (1) WO2000064622A1 (enExample)

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Also Published As

Publication number Publication date
AU4280700A (en) 2000-11-10
EP1173302B1 (en) 2005-04-20
KR100600921B1 (ko) 2006-07-13
WO2000064622A1 (en) 2000-11-02
DE60019573D1 (de) 2005-05-25
JP2002542042A (ja) 2002-12-10
US6501061B1 (en) 2002-12-31
CA2370813A1 (en) 2000-11-02
EP1173302A1 (en) 2002-01-23
KR20010112950A (ko) 2001-12-22
DE60019573T2 (de) 2006-03-23

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