JP5449665B2 - レーザ加工方法 - Google Patents
レーザ加工方法 Download PDFInfo
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- JP5449665B2 JP5449665B2 JP2007282065A JP2007282065A JP5449665B2 JP 5449665 B2 JP5449665 B2 JP 5449665B2 JP 2007282065 A JP2007282065 A JP 2007282065A JP 2007282065 A JP2007282065 A JP 2007282065A JP 5449665 B2 JP5449665 B2 JP 5449665B2
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- laser beam
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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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- H10P52/00—
-
- 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
- B23K26/02—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
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- 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
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- 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
- B23K26/40—Removing material taking account of the properties of the material involved
-
- 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
- B23K26/40—Removing material taking account of the properties of the material involved
- B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
-
- 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
- B23K26/50—Working by transmitting the laser beam through or within the workpiece
- B23K26/53—Working 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0005—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing
- B28D5/0011—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing with preliminary treatment, e.g. weakening by scoring
-
- H10P54/00—
-
- 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
- B23K2101/36—Electric or electronic devices
- B23K2101/40—Semiconductor devices
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Laser Beam Processing (AREA)
- Dicing (AREA)
Description
(1)改質領域が溶融処理領域を含む場合
(2)改質領域がクラック領域を含む場合
(3)改質領域が屈折率変化領域を含む場合
Claims (3)
- GaAs基板を備える板状の加工対象物の内部に集光点を合わせてレーザ光を照射することにより、前記加工対象物の切断予定ラインに沿って、切断の起点となる改質領域を前記GaAs基板に形成するレーザ加工方法であって、
前記レーザ光はパルスレーザ光であり、前記レーザ光のパルス幅は31ns〜48nsであり、前記レーザ光のパルスピッチは7.5μm〜12.5μmであることを特徴とするレーザ加工方法。 - 前記改質領域を形成した後に、前記改質領域を起点として前記切断予定ラインに沿って前記加工対象物を切断することを特徴とする請求項1記載のレーザ加工方法。
- 前記改質領域は溶融処理領域を含むことを特徴とする請求項1又は2記載のレーザ加工方法。
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007282065A JP5449665B2 (ja) | 2007-10-30 | 2007-10-30 | レーザ加工方法 |
| CN201510790532.4A CN105364321A (zh) | 2007-10-30 | 2008-10-27 | 激光加工方法 |
| CN201410109769.7A CN103934578A (zh) | 2007-10-30 | 2008-10-27 | 激光加工方法 |
| KR1020097024447A KR101549271B1 (ko) | 2007-10-30 | 2008-10-27 | 레이저 가공 방법 |
| PCT/JP2008/069462 WO2009057558A1 (ja) | 2007-10-30 | 2008-10-27 | レーザ加工方法 |
| CN200880103871A CN101842184A (zh) | 2007-10-30 | 2008-10-27 | 激光加工方法 |
| CN201510791236.6A CN105364322A (zh) | 2007-10-30 | 2008-10-27 | 激光加工方法 |
| US12/670,029 US8420507B2 (en) | 2007-10-30 | 2008-10-27 | Laser processing method |
| US14/148,180 USRE45403E1 (en) | 2007-10-30 | 2008-10-27 | Laser processing method |
| TW097141657A TWI510322B (zh) | 2007-10-30 | 2008-10-29 | Laser processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007282065A JP5449665B2 (ja) | 2007-10-30 | 2007-10-30 | レーザ加工方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009106977A JP2009106977A (ja) | 2009-05-21 |
| JP5449665B2 true JP5449665B2 (ja) | 2014-03-19 |
Family
ID=40590949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007282065A Active JP5449665B2 (ja) | 2007-10-30 | 2007-10-30 | レーザ加工方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | USRE45403E1 (ja) |
| JP (1) | JP5449665B2 (ja) |
| KR (1) | KR101549271B1 (ja) |
| CN (4) | CN101842184A (ja) |
| TW (1) | TWI510322B (ja) |
| WO (1) | WO2009057558A1 (ja) |
Families Citing this family (60)
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|---|---|---|---|---|
| JP4659300B2 (ja) | 2000-09-13 | 2011-03-30 | 浜松ホトニクス株式会社 | レーザ加工方法及び半導体チップの製造方法 |
| TWI326626B (en) | 2002-03-12 | 2010-07-01 | Hamamatsu Photonics Kk | Laser processing method |
| EP3252806B1 (en) | 2002-03-12 | 2019-10-09 | Hamamatsu Photonics K.K. | Substrate dividing method |
| WO2003076119A1 (fr) | 2002-03-12 | 2003-09-18 | Hamamatsu Photonics K.K. | Procede de decoupe d'objet traite |
| TWI520269B (zh) | 2002-12-03 | 2016-02-01 | 濱松赫德尼古斯股份有限公司 | Cutting method of semiconductor substrate |
| FR2852250B1 (fr) | 2003-03-11 | 2009-07-24 | Jean Luc Jouvin | Fourreau de protection pour canule, un ensemble d'injection comportant un tel fourreau et aiguille equipee d'un tel fourreau |
| CN1758985A (zh) | 2003-03-12 | 2006-04-12 | 浜松光子学株式会社 | 激光加工方法 |
| US7605344B2 (en) * | 2003-07-18 | 2009-10-20 | Hamamatsu Photonics K.K. | Laser beam machining method, laser beam machining apparatus, and laser beam machining product |
| JP4563097B2 (ja) | 2003-09-10 | 2010-10-13 | 浜松ホトニクス株式会社 | 半導体基板の切断方法 |
| JP4601965B2 (ja) * | 2004-01-09 | 2010-12-22 | 浜松ホトニクス株式会社 | レーザ加工方法及びレーザ加工装置 |
| JP4598407B2 (ja) * | 2004-01-09 | 2010-12-15 | 浜松ホトニクス株式会社 | レーザ加工方法及びレーザ加工装置 |
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| WO2005098916A1 (ja) | 2004-03-30 | 2005-10-20 | Hamamatsu Photonics K.K. | レーザ加工方法及び半導体チップ |
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- 2008-10-27 KR KR1020097024447A patent/KR101549271B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105364322A (zh) | 2016-03-02 |
| TW200927354A (en) | 2009-07-01 |
| USRE45403E1 (en) | 2015-03-03 |
| WO2009057558A1 (ja) | 2009-05-07 |
| KR20100076918A (ko) | 2010-07-06 |
| CN103934578A (zh) | 2014-07-23 |
| CN105364321A (zh) | 2016-03-02 |
| US8420507B2 (en) | 2013-04-16 |
| KR101549271B1 (ko) | 2015-09-01 |
| TWI510322B (zh) | 2015-12-01 |
| JP2009106977A (ja) | 2009-05-21 |
| US20100200550A1 (en) | 2010-08-12 |
| CN101842184A (zh) | 2010-09-22 |
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