JP3867003B2 - レーザ加工方法 - Google Patents

レーザ加工方法 Download PDF

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Publication number
JP3867003B2
JP3867003B2 JP2002097725A JP2002097725A JP3867003B2 JP 3867003 B2 JP3867003 B2 JP 3867003B2 JP 2002097725 A JP2002097725 A JP 2002097725A JP 2002097725 A JP2002097725 A JP 2002097725A JP 3867003 B2 JP3867003 B2 JP 3867003B2
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JP
Japan
Prior art keywords
workpiece
region
laser
processing method
laser processing
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
JP2002097725A
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English (en)
Japanese (ja)
Other versions
JP2003010991A5 (enExample
JP2003010991A (ja
Inventor
文嗣 福世
憲志 福満
直己 内山
敏光 和久田
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.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
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 Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Priority to JP2002097725A priority Critical patent/JP3867003B2/ja
Publication of JP2003010991A publication Critical patent/JP2003010991A/ja
Publication of JP2003010991A5 publication Critical patent/JP2003010991A5/ja
Application granted granted Critical
Publication of JP3867003B2 publication Critical patent/JP3867003B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/40Removing material taking account of the properties of the material involved
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/50Working by transmitting the laser beam through or within the workpiece
    • B23K26/53Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/36Electric or electronic devices
    • B23K2101/40Semiconductor devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/50Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Laser Beam Processing (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Dicing (AREA)
JP2002097725A 2000-09-13 2002-03-29 レーザ加工方法 Expired - Lifetime JP3867003B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002097725A JP3867003B2 (ja) 2000-09-13 2002-03-29 レーザ加工方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000278306 2000-09-13
JP2000-278306 2000-09-13
JP2002097725A JP3867003B2 (ja) 2000-09-13 2002-03-29 レーザ加工方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2001278752A Division JP3722731B2 (ja) 2000-09-13 2001-09-13 レーザ加工方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006055538A Division JP2006205259A (ja) 2000-09-13 2006-03-01 レーザ加工方法

Publications (3)

Publication Number Publication Date
JP2003010991A JP2003010991A (ja) 2003-01-15
JP2003010991A5 JP2003010991A5 (enExample) 2006-04-13
JP3867003B2 true JP3867003B2 (ja) 2007-01-10

Family

ID=26599900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002097725A Expired - Lifetime JP3867003B2 (ja) 2000-09-13 2002-03-29 レーザ加工方法

Country Status (1)

Country Link
JP (1) JP3867003B2 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10562130B1 (en) 2018-12-29 2020-02-18 Cree, Inc. Laser-assisted method for parting crystalline material
US10576585B1 (en) 2018-12-29 2020-03-03 Cree, Inc. Laser-assisted method for parting crystalline material
US10611052B1 (en) 2019-05-17 2020-04-07 Cree, Inc. Silicon carbide wafers with relaxed positive bow and related methods
US11024501B2 (en) 2018-12-29 2021-06-01 Cree, Inc. Carrier-assisted method for parting crystalline material along laser damage region

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8168514B2 (en) * 2006-08-24 2012-05-01 Corning Incorporated Laser separation of thin laminated glass substrates for flexible display applications
US8950217B2 (en) 2010-05-14 2015-02-10 Hamamatsu Photonics K.K. Method of cutting object to be processed, method of cutting strengthened glass sheet and method of manufacturing strengthened glass member
JP5670647B2 (ja) 2010-05-14 2015-02-18 浜松ホトニクス株式会社 加工対象物切断方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10562130B1 (en) 2018-12-29 2020-02-18 Cree, Inc. Laser-assisted method for parting crystalline material
US10576585B1 (en) 2018-12-29 2020-03-03 Cree, Inc. Laser-assisted method for parting crystalline material
US11024501B2 (en) 2018-12-29 2021-06-01 Cree, Inc. Carrier-assisted method for parting crystalline material along laser damage region
US11219966B1 (en) 2018-12-29 2022-01-11 Wolfspeed, Inc. Laser-assisted method for parting crystalline material
US11826846B2 (en) 2018-12-29 2023-11-28 Wolfspeed, Inc. Laser-assisted method for parting crystalline material
US11901181B2 (en) 2018-12-29 2024-02-13 Wolfspeed, Inc. Carrier-assisted method for parting crystalline material along laser damage region
US11911842B2 (en) 2018-12-29 2024-02-27 Wolfspeed, Inc. Laser-assisted method for parting crystalline material
US10611052B1 (en) 2019-05-17 2020-04-07 Cree, Inc. Silicon carbide wafers with relaxed positive bow and related methods
US11034056B2 (en) 2019-05-17 2021-06-15 Cree, Inc. Silicon carbide wafers with relaxed positive bow and related methods
US11654596B2 (en) 2019-05-17 2023-05-23 Wolfspeed, Inc. Silicon carbide wafers with relaxed positive bow and related methods

Also Published As

Publication number Publication date
JP2003010991A (ja) 2003-01-15

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