WO2004108342A3 - Procede et appareil de soudage par points au laser - Google Patents

Procede et appareil de soudage par points au laser Download PDF

Info

Publication number
WO2004108342A3
WO2004108342A3 PCT/IB2004/001894 IB2004001894W WO2004108342A3 WO 2004108342 A3 WO2004108342 A3 WO 2004108342A3 IB 2004001894 W IB2004001894 W IB 2004001894W WO 2004108342 A3 WO2004108342 A3 WO 2004108342A3
Authority
WO
WIPO (PCT)
Prior art keywords
spot welding
laser apparatus
welding laser
pulsed
pumping
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.)
Ceased
Application number
PCT/IB2004/001894
Other languages
English (en)
Other versions
WO2004108342A2 (fr
Inventor
Acqua Stefano Dell
Giuliano Piccinno
Maurizio Cucchi
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.)
Bright Solutions Soluzioni Laser Innovative Srl
Original Assignee
Bright Solutions Soluzioni Laser Innovative Srl
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 Bright Solutions Soluzioni Laser Innovative Srl filed Critical Bright Solutions Soluzioni Laser Innovative Srl
Publication of WO2004108342A2 publication Critical patent/WO2004108342A2/fr
Publication of WO2004108342A3 publication Critical patent/WO2004108342A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
    • 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
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/22—Spot welding
    • 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 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • H01S3/0404—Air- or gas cooling, e.g. by dry nitrogen
    • 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
    • H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
    • H01S3/1024—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping for pulse generation
    • 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
    • H01S3/1305—Feedback control systems
    • 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
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
  • Laser Beam Processing (AREA)

Abstract

Cet appareil de soudage par points au laser du type qui génère un faisceau laser pulsé comprend une source de pompage (14) pour générer un faisceau pulsé de pompage (13) dans une cavité résonante laser (12) qui comprend un milieu actif (11). Selon l'invention, la source de pompage (14) comprend un assemblage de diodes laser à l'état solide.
PCT/IB2004/001894 2003-06-06 2004-06-02 Procede et appareil de soudage par points au laser Ceased WO2004108342A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000431A ITTO20030431A1 (it) 2003-06-06 2003-06-06 Apparato di saldatura laser a punti e relativo metodo.
ITTO2003A000431 2003-06-06

Publications (2)

Publication Number Publication Date
WO2004108342A2 WO2004108342A2 (fr) 2004-12-16
WO2004108342A3 true WO2004108342A3 (fr) 2005-05-06

Family

ID=33495879

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/001894 Ceased WO2004108342A2 (fr) 2003-06-06 2004-06-02 Procede et appareil de soudage par points au laser

Country Status (2)

Country Link
IT (1) ITTO20030431A1 (fr)
WO (1) WO2004108342A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2445771A (en) * 2007-01-19 2008-07-23 Gsi Group Ltd A diode pumped CW laser
KR100937864B1 (ko) 2008-03-14 2010-01-21 삼성모바일디스플레이주식회사 프릿 실링 시스템
CN110168820B (zh) * 2016-12-06 2021-04-27 松下知识产权经营株式会社 激光装置
EP3984689A1 (fr) * 2020-10-13 2022-04-20 Ciemmeo S.r.l. Machine permettant de fournir un composant pour des bagues à ressort, composant fourni avec la machine et procédé pour le fournir

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546416A (en) * 1995-04-10 1996-08-13 Northrop Grumman Corporation Cooling system and mounting for slab lasers and other optical devices
US5859868A (en) * 1996-01-22 1999-01-12 Nec Corporation Solid-state laser device which is pumped by light output from laser diode
JP2000277839A (ja) * 1999-03-26 2000-10-06 Fuji Photo Film Co Ltd 半導体レーザー励起固体レーザーの駆動方法
US6418154B1 (en) * 1999-06-07 2002-07-09 Coherent, Inc. Pulsed diode-pumped solid-state laser
CA2461753A1 (fr) * 2001-10-16 2003-04-24 Nobuaki Iehisa Systeme laser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546416A (en) * 1995-04-10 1996-08-13 Northrop Grumman Corporation Cooling system and mounting for slab lasers and other optical devices
US5859868A (en) * 1996-01-22 1999-01-12 Nec Corporation Solid-state laser device which is pumped by light output from laser diode
JP2000277839A (ja) * 1999-03-26 2000-10-06 Fuji Photo Film Co Ltd 半導体レーザー励起固体レーザーの駆動方法
US6418154B1 (en) * 1999-06-07 2002-07-09 Coherent, Inc. Pulsed diode-pumped solid-state laser
CA2461753A1 (fr) * 2001-10-16 2003-04-24 Nobuaki Iehisa Systeme laser

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 13 5 February 2001 (2001-02-05) *

Also Published As

Publication number Publication date
WO2004108342A2 (fr) 2004-12-16
ITTO20030431A1 (it) 2004-12-07

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