DE69708744T2 - Laserbohren von nicht kreisförmigen Öffnungen - Google Patents

Laserbohren von nicht kreisförmigen Öffnungen

Info

Publication number
DE69708744T2
DE69708744T2 DE69708744T DE69708744T DE69708744T2 DE 69708744 T2 DE69708744 T2 DE 69708744T2 DE 69708744 T DE69708744 T DE 69708744T DE 69708744 T DE69708744 T DE 69708744T DE 69708744 T2 DE69708744 T2 DE 69708744T2
Authority
DE
Germany
Prior art keywords
diffuser
laser
metal
laser beam
wall
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
DE69708744T
Other languages
German (de)
English (en)
Other versions
DE69708744D1 (de
Inventor
John Maynard Crow
James George Kelley
Todd Jay Rockstroh
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE69708744D1 publication Critical patent/DE69708744D1/de
Application granted granted Critical
Publication of DE69708744T2 publication Critical patent/DE69708744T2/de
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
    • B23K26/02—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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • B23K26/384—Removing material by boring or cutting by boring of specially shaped holes
    • 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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/001—Turbines

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69708744T 1996-05-15 1997-05-09 Laserbohren von nicht kreisförmigen Öffnungen Expired - Fee Related DE69708744T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/648,472 US5609779A (en) 1996-05-15 1996-05-15 Laser drilling of non-circular apertures

Publications (2)

Publication Number Publication Date
DE69708744D1 DE69708744D1 (de) 2002-01-17
DE69708744T2 true DE69708744T2 (de) 2002-08-29

Family

ID=24600924

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69708744T Expired - Fee Related DE69708744T2 (de) 1996-05-15 1997-05-09 Laserbohren von nicht kreisförmigen Öffnungen

Country Status (4)

Country Link
US (1) US5609779A (enExample)
EP (1) EP0807485B1 (enExample)
JP (1) JP3719466B2 (enExample)
DE (1) DE69708744T2 (enExample)

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Also Published As

Publication number Publication date
JPH1085977A (ja) 1998-04-07
US5609779A (en) 1997-03-11
DE69708744D1 (de) 2002-01-17
EP0807485A3 (en) 1999-04-28
JP3719466B2 (ja) 2005-11-24
EP0807485A2 (en) 1997-11-19
EP0807485B1 (en) 2001-12-05

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Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN

8339 Ceased/non-payment of the annual fee