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GB2215859B - Laser scanning system - Google Patents

Laser scanning system

Info

Publication number
GB2215859B
GB2215859B GB8902299A GB8902299A GB2215859B GB 2215859 B GB2215859 B GB 2215859B GB 8902299 A GB8902299 A GB 8902299A GB 8902299 A GB8902299 A GB 8902299A GB 2215859 B GB2215859 B GB 2215859B
Authority
GB
United Kingdom
Prior art keywords
laser scanning
scanning system
laser
scanning
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
GB8902299A
Other versions
GB8902299D0 (en
GB2215859A (en
Inventor
A S Bransden
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB8902299D0 publication Critical patent/GB8902299D0/en
Publication of GB2215859A publication Critical patent/GB2215859A/en
Application granted granted Critical
Publication of GB2215859B publication Critical patent/GB2215859B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B23K26/02—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
    • B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
    • B23K26/0608—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams in the same heat affected zone [HAZ]
    • 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
    • B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/04—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light by periodically varying the intensity of light, e.g. using choppers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Processing (AREA)
GB8902299A 1988-02-05 1989-02-02 Laser scanning system Expired - Lifetime GB2215859B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888802689A GB8802689D0 (en) 1988-02-05 1988-02-05 Laser scanning system

Publications (3)

Publication Number Publication Date
GB8902299D0 GB8902299D0 (en) 1989-03-22
GB2215859A GB2215859A (en) 1989-09-27
GB2215859B true GB2215859B (en) 1991-11-13

Family

ID=10631188

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888802689A Pending GB8802689D0 (en) 1988-02-05 1988-02-05 Laser scanning system
GB8902299A Expired - Lifetime GB2215859B (en) 1988-02-05 1989-02-02 Laser scanning system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888802689A Pending GB8802689D0 (en) 1988-02-05 1988-02-05 Laser scanning system

Country Status (1)

Country Link
GB (2) GB8802689D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4987044A (en) * 1989-05-31 1991-01-22 E. I. Du Pont De Nemours And Company Method and apparatus for maintaining desired exposure levels
WO1994007639A1 (en) * 1992-09-29 1994-04-14 Bausch & Lomb Incorporated Symmetric scanning technique for laser ablation
US5378582A (en) * 1992-09-29 1995-01-03 Bausch & Lomb Incorporated Symmetric sweep scanning technique for laser ablation
EP0958096A1 (en) * 1996-07-11 1999-11-24 Molins Plc Web cutting and/or sealing method and apparatus
DE102007020748A1 (en) 2007-05-03 2008-11-13 Clean-Lasersysteme Gmbh Apparatus and method for processing a surface of a workpiece by means of laser radiation

Also Published As

Publication number Publication date
GB8802689D0 (en) 1988-03-02
GB8902299D0 (en) 1989-03-22
GB2215859A (en) 1989-09-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930202