JPS5368499A - Method of shaping laser beam used for machining - Google Patents

Method of shaping laser beam used for machining

Info

Publication number
JPS5368499A
JPS5368499A JP14437076A JP14437076A JPS5368499A JP S5368499 A JPS5368499 A JP S5368499A JP 14437076 A JP14437076 A JP 14437076A JP 14437076 A JP14437076 A JP 14437076A JP S5368499 A JPS5368499 A JP S5368499A
Authority
JP
Japan
Prior art keywords
laser beam
machining
beam used
shaping laser
cross
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.)
Pending
Application number
JP14437076A
Other languages
Japanese (ja)
Inventor
Koichi Goto
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP14437076A priority Critical patent/JPS5368499A/en
Publication of JPS5368499A publication Critical patent/JPS5368499A/en
Pending 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
    • B23K26/073—Shaping the laser spot
    • B23K26/0736—Shaping the laser spot into an oval shape, e.g. elliptic shape

Landscapes

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

Abstract

PURPOSE:To shape a single laser beam into one having a cross section in the form of an exremely elongated ellipticity, so as to give a uniform density of laser beam throughout the cross section.
JP14437076A 1976-11-30 1976-11-30 Method of shaping laser beam used for machining Pending JPS5368499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14437076A JPS5368499A (en) 1976-11-30 1976-11-30 Method of shaping laser beam used for machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14437076A JPS5368499A (en) 1976-11-30 1976-11-30 Method of shaping laser beam used for machining

Publications (1)

Publication Number Publication Date
JPS5368499A true JPS5368499A (en) 1978-06-17

Family

ID=15360527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14437076A Pending JPS5368499A (en) 1976-11-30 1976-11-30 Method of shaping laser beam used for machining

Country Status (1)

Country Link
JP (1) JPS5368499A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634232A (en) * 1983-02-01 1987-01-06 Canon Kabushiki Kaisha Light source device for close spacing of two light beams
US4675500A (en) * 1983-10-28 1987-06-23 Gretag Aktiengesellschaft Laser processing apparatus with means for selectively varying the transverse mode distribution of the laser beam
JPH02175090A (en) * 1988-12-27 1990-07-06 Isamu Miyamoto Laser beam forming machine
US5587094A (en) * 1992-11-25 1996-12-24 Kabushiki Kaisha Komatsu Seisakusho Laser marking apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634232A (en) * 1983-02-01 1987-01-06 Canon Kabushiki Kaisha Light source device for close spacing of two light beams
US4675500A (en) * 1983-10-28 1987-06-23 Gretag Aktiengesellschaft Laser processing apparatus with means for selectively varying the transverse mode distribution of the laser beam
JPH02175090A (en) * 1988-12-27 1990-07-06 Isamu Miyamoto Laser beam forming machine
US5587094A (en) * 1992-11-25 1996-12-24 Kabushiki Kaisha Komatsu Seisakusho Laser marking apparatus

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