JP7328020B2 - レーザー加工装置 - Google Patents
レーザー加工装置 Download PDFInfo
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- JP7328020B2 JP7328020B2 JP2019115344A JP2019115344A JP7328020B2 JP 7328020 B2 JP7328020 B2 JP 7328020B2 JP 2019115344 A JP2019115344 A JP 2019115344A JP 2019115344 A JP2019115344 A JP 2019115344A JP 7328020 B2 JP7328020 B2 JP 7328020B2
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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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
- B23K26/02—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
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/122—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in a liquid, e.g. underwater
-
- 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
- B23K26/362—Laser etching
- B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
-
- 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
- B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
- B23K26/0821—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head using multifaceted mirrors, e.g. polygonal mirror
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
- B23K26/0853—Devices involving movement of the workpiece in at least in two axial directions, e.g. in a plane
-
- 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
- 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
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
-
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/268—Bombardment with radiation with high-energy radiation using electromagnetic radiation, e.g. laser radiation
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Laser Beam Processing (AREA)
- Dicing (AREA)
Description
<第1の発振器>
第1のレーザー光線の波長 :355nm、532nm、1064nm
平均出力 :10~30W
繰り返し周波数 :1~10MHz
パルス幅 :50fs~50ps
<第2の発振器>
第2のレーザー光線の波長 :355nm、532nm、1064nm
平均出力 :30W
繰り返し周波数 :1~10MHz
パルス幅 :50ns
4:液体供給機構
8:レーザー光線照射手段
81:発振器
812:第1の発振器
814:第2の発振器
82:第1の1/2波長板
84:第2の1/2波長板
85:偏光ビームスプリッタ
86:集光器
87:ポリゴンミラー(分散手段)
10:ウエーハ
21:基台
22:保持手段
23:移動手段
26:枠体
261:垂直壁部
262:水平壁部
30:X方向可動板
31:Y方向可動板
33:カバー板
34:チャックテーブル
35:吸着チャック
40:液体層形成器
42:筐体
421:筐体上部部材
422:筐体下部部材
422e:スリット
423:透明部
43:液体供給部
44:液体供給ポンプ
45:濾過フィルター
50:X方向移動手段
52:Y方向移動手段
60:液体回収プール
60A:開口
65:液体排出孔
70:液体回収路
90:アライメント手段
LB1:第1のレーザー光線
LB2:第2のレーザー光線
A:第1のパルス幅
B:第2のパルス幅
P1:第1のプラズマ
P2:第2のプラズマ
W:液体(純水)
S:隙間
Claims (4)
- 板状の被加工物を保持する保持手段と、該保持手段に保持された被加工物にレーザー光線を照射して加工を施すレーザー照射手段と、該保持手段と該レーザー照射手段とを相対的に移動させる移動手段と、を少なくとも含み構成されるレーザー加工装置であって、
該レーザー照射手段は、レーザー光線を発振する発振器と、該発振器が発振したレーザー光線を集光し該保持手段に保持された被加工物に照射する集光器と、該集光器の下端に配設され被加工物の上面に液体の層を形成する液体層形成器と、から少なくとも構成され、
該発振器は、パルス幅が短い第1のレーザー光線を発振する第1の発振器と、パルス幅が長い第2のレーザー光線を発振する第2の発振器と、を備え、
該移動手段によって該保持手段と該レーザー照射手段とを相対的に移動させながら、同一の光路を経由する該第1のレーザー光線と該第2のレーザー光線とを同一方向から被加工物の同一箇所に照射して、該第1のレーザー光線が該液体の層を介して照射された際に発生するプラズマが、該第2のレーザー光線のエネルギーによって成長させられて、被加工物の照射位置に沿ってレーザー加工が施されることにより該照射位置の下方に向けて所望の深さの加工溝を形成する加工を施すレーザー加工装置。 - 該液体層形成器は、被加工物の上面との間で隙間を形成する底壁を備えた筐体と、該筐体の側壁に形成され該底壁に形成された噴出口を介して該隙間を液体で満たすと共に流下させる液体供給部と、該噴出口に隣接し該底壁に形成されレーザー光線の通過を許容する透明部と、を備え、
該透明部と該隙間を満たす液体の層を介してレーザー光線が被加工物に照射される請求項1に記載のレーザー加工装置。 - 該噴出口は、加工方向に延びるスリットで形成される請求項2に記載のレーザー加工装置。
- 該レーザー照射手段に、レーザー光線を加工送り方向に分散させる分散手段が配設される請求項1乃至3のいずれかに記載されたレーザー加工装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019115344A JP7328020B2 (ja) | 2019-06-21 | 2019-06-21 | レーザー加工装置 |
KR1020200063352A KR20200145677A (ko) | 2019-06-21 | 2020-05-27 | 레이저 가공 장치 |
TW109120127A TW202100271A (zh) | 2019-06-21 | 2020-06-16 | 雷射加工裝置 |
US16/904,060 US20200398370A1 (en) | 2019-06-21 | 2020-06-17 | Laser processing apparatus |
CN202010552746.9A CN112108778A (zh) | 2019-06-21 | 2020-06-17 | 激光加工装置 |
DE102020207623.5A DE102020207623A1 (de) | 2019-06-21 | 2020-06-19 | Laserbearbeitungsvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019115344A JP7328020B2 (ja) | 2019-06-21 | 2019-06-21 | レーザー加工装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021000649A JP2021000649A (ja) | 2021-01-07 |
JP7328020B2 true JP7328020B2 (ja) | 2023-08-16 |
Family
ID=73654133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019115344A Active JP7328020B2 (ja) | 2019-06-21 | 2019-06-21 | レーザー加工装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200398370A1 (ja) |
JP (1) | JP7328020B2 (ja) |
KR (1) | KR20200145677A (ja) |
CN (1) | CN112108778A (ja) |
DE (1) | DE102020207623A1 (ja) |
TW (1) | TW202100271A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114762913B (zh) * | 2022-05-27 | 2023-12-08 | 深圳市光族激光科技有限公司 | 一种激光车削加工机床 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019072762A (ja) | 2017-10-19 | 2019-05-16 | 株式会社ディスコ | レーザー加工装置 |
JP2019084550A (ja) | 2017-11-02 | 2019-06-06 | 株式会社東芝 | レーザーピーニング装置およびレーザーピーニング方法 |
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US3408805A (en) | 1965-08-30 | 1968-11-05 | Ethicon Inc | Process and apparatus for the manufacture of sutures |
JPH10305420A (ja) | 1997-03-04 | 1998-11-17 | Ngk Insulators Ltd | 酸化物単結晶からなる母材の加工方法、機能性デバイスの製造方法 |
JP2004188475A (ja) * | 2002-12-13 | 2004-07-08 | Disco Abrasive Syst Ltd | レーザー加工方法 |
JP5431831B2 (ja) * | 2009-08-21 | 2014-03-05 | 株式会社ディスコ | レーザー加工装置 |
JP5220914B2 (ja) * | 2011-05-25 | 2013-06-26 | 株式会社スギノマシン | レーザー加工装置 |
US8557683B2 (en) * | 2011-06-15 | 2013-10-15 | Applied Materials, Inc. | Multi-step and asymmetrically shaped laser beam scribing |
JP6151557B2 (ja) | 2013-05-13 | 2017-06-21 | 株式会社ディスコ | レーザー加工方法 |
WO2015108991A2 (en) * | 2014-01-17 | 2015-07-23 | Imra America, Inc. | Laser-based modification of transparent materials |
JP7023629B2 (ja) * | 2017-07-07 | 2022-02-22 | 株式会社ディスコ | レーザー加工装置 |
US11691216B2 (en) * | 2018-06-22 | 2023-07-04 | Avava, Inc. | Apparatus for materials processing |
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2019
- 2019-06-21 JP JP2019115344A patent/JP7328020B2/ja active Active
-
2020
- 2020-05-27 KR KR1020200063352A patent/KR20200145677A/ko active Search and Examination
- 2020-06-16 TW TW109120127A patent/TW202100271A/zh unknown
- 2020-06-17 US US16/904,060 patent/US20200398370A1/en not_active Abandoned
- 2020-06-17 CN CN202010552746.9A patent/CN112108778A/zh active Pending
- 2020-06-19 DE DE102020207623.5A patent/DE102020207623A1/de active Pending
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