JP2023552942A - レーザ加工システムおよび方法 - Google Patents
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- 230000001678 irradiating effect Effects 0.000 claims description 4
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- 239000000758 substrate Substances 0.000 description 7
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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- 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
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
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- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
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- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
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- 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
- B23K26/0624—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses using ultrashort pulses, i.e. pulses of 1ns or less
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- 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
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- 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
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- 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
- B23K26/0652—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising prisms
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- 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
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- 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
- B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
-
- 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
- B23K26/0734—Shaping the laser spot into an annular shape
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- 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
- 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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
-
- 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
- B23K2103/54—Glass
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- 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
- B23K2103/56—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26 semiconducting
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- Mechanical Engineering (AREA)
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- Laser Beam Processing (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
50 被加工物
100 レーザユニット
200 光学ユニット
210 第1光学ユニット
211 第1光学素子
212 第2光学素子
220 第2光学ユニット
221 スキャナー
222 フォーカシングレンズ
300 ステージ
400 制御部
Claims (19)
- レーザビームを放出するレーザユニットと;
前記レーザビームの進行経路に配置されて入射される前記レーザビームをベッセルビームで出射させる光学ユニットと;
前記光学ユニットで出射されるベッセルビームで加工する被加工物が装着されるステージと;
前記レーザユニット、前記光学ユニット、および前記ステージの作動を制御する制御部と;
を含み、
前記光学ユニットは、
出射されるベッセルビームの焦点ラインを前記被加工物に位置させ、前記被加工物に位置した焦点ラインが所定範囲移動するように構成される、レーザ加工システム。 - 前記光学ユニットは、
前記出射されるベッセルビームの焦点ラインが前記被加工物の加工面となす角度を80~100度の範囲に維持させる、請求項1に記載のレーザ加工システム。 - 前記光学ユニットは、
前記入射されるレーザビームをベッセルビームに変調する第1光学ユニットと、
前記出射されるベッセルビームの焦点ラインを前記被加工物上で前記焦点ラインと交差する方向に移動させる第2光学ユニットとを含む、請求項1に記載のレーザ加工システム。 - 前記第1光学ユニットは、
前記入射されるレーザビームをベッセルビームに変調する第1光学素子と、
前記第1光学素子を通過したベッセルビームの光軸を平行に進行させる第2光学素子とを含む、請求項3に記載のレーザ加工システム。 - 前記第2光学ユニットは、
前記第1光学ユニットを通過したベッセルビームの経路を移動させるスキャナーと、
前記スキャナーで出射されたベッセルビームの焦点ラインを前記被加工物に位置させるフォーカシングレンズとを含む、請求項3に記載のレーザ加工システム。 - 前記制御部は、
前記出射されたベッセルビームの焦点ラインが少なくとも二つの軸方向に移動するように前記スキャナーを駆動させ、同時に前記ステージを前記少なくとも二つの軸方向に駆動させる、請求項5に記載のレーザ加工システム。 - 前記スキャナーに入射するベッセルビームの直径は、3~30mmである、請求項5に記載のレーザ加工システム。
- 前記フォーカシングレンズの焦点長さは、10~300mmである、請求項5に記載のレーザ加工システム。
- 前記スキャナーで出射されたベッセルビームの焦点ラインが前記被加工物上で移動する距離は、1μm~30mmである、請求項5に記載のレーザ加工システム。
- 前記スキャナーは、
前記制御部により角度が調節される複数のミラーを含む、請求項5に記載のレーザ加工システム。 - 前記被加工物は、平板形態である、請求項1に記載のレーザ加工システム。
- レーザビームを照射して被加工物を加工する方法であって、
レーザビームの進行方向に垂直な断面が円形であるレーザビームを環状のベッセルビームに変調する変調段階と;
前記ベッセルビームの焦点ラインが被加工物に位置するように前記ベッセルビームを前記被加工物に照射する加工段階と;
を含み、
前記加工段階で、前記被加工物に位置した前記ベッセルビームの焦点ラインを移動させる、レーザ加工方法。 - 前記加工段階で、
前記被加工物を移動させると同時に前記ベッセルビームの焦点ラインを移動させる、請求項12に記載のレーザ加工方法。 - 前記加工段階は、
前記被加工物を加工する形状に対応する加工経路を設定する段階と、
前記設定された加工経路を前記ベッセルビームの焦点ラインが移動する第1経路と前記被加工物が移動する第2経路とに分離する段階と、
前記ベッセルビームの焦点ラインを前記第1経路に移動させ、同時に前記被加工物を前記第2経路に移動させて、前記被加工物を加工経路に沿って加工する段階とを含む、請求項12に記載のレーザ加工方法。 - 前記加工段階で、
前記ベッセルビームの焦点ラインが前記被加工物の加工面となす角度を80~100度の範囲に維持する、請求項12に記載のレーザ加工方法。 - 前記加工段階で、
前記被加工物に位置した前記ベッセルビームの焦点ラインが前記被加工物上で移動する距離は、1μm~30mmである、請求項12に記載のレーザ加工システム。 - 前記加工段階は、
前記ベッセルビームの進行経路に位置したミラーの角度を調節して反射されるベッセルビームの経路を移動させるスキャニング段階と、
前記反射されたベッセルビームを前記被加工物に集束させるフォーカシング段階とを含む、請求項12に記載のレーザ加工方法。 - 前記スキャニング段階で、前記ミラーに入射するベッセルビームの直径は、3~30mmである、請求項17に記載のレーザ加工方法。
- 前記フォーカシング段階で、焦点長さは、10~300mmである、請求項17に記載のレーザ加工方法。
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KR1020200114708A KR102375235B1 (ko) | 2020-09-08 | 2020-09-08 | 레이저 가공 시스템 및 방법 |
KR10-2020-0114708 | 2020-09-08 | ||
PCT/KR2021/004300 WO2022055062A1 (ko) | 2020-09-08 | 2021-04-06 | 레이저 가공 시스템 및 방법 |
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EP (1) | EP3991905A4 (ja) |
JP (1) | JP2023552942A (ja) |
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TWI863045B (zh) * | 2022-11-30 | 2024-11-21 | 財團法人工業技術研究院 | 材料改質加工裝置與凹洞成形方法 |
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DE69418248T2 (de) * | 1993-06-03 | 1999-10-14 | Hamamatsu Photonics Kk | Optisches Laser-Abtastsystem mit Axikon |
JP4467633B2 (ja) * | 2008-03-24 | 2010-05-26 | 丸文株式会社 | ビーム加工装置、ビーム加工方法およびビーム加工基板 |
KR101607226B1 (ko) * | 2014-04-14 | 2016-03-29 | 주식회사 레이저앱스 | 레이저 절단 및 가공장치와 그 방법 |
DE102014116957A1 (de) * | 2014-11-19 | 2016-05-19 | Trumpf Laser- Und Systemtechnik Gmbh | Optisches System zur Strahlformung |
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EP3504024B1 (en) * | 2016-08-28 | 2024-03-06 | ACS Motion Control Ltd. | System for laser machining of relatively large workpieces |
KR102603393B1 (ko) * | 2016-12-06 | 2023-11-17 | 삼성디스플레이 주식회사 | 레이저 가공 장치 |
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US10707130B2 (en) * | 2018-03-05 | 2020-07-07 | The Chinese University Of Hong Kong | Systems and methods for dicing samples using a bessel beam matrix |
JP2022503883A (ja) * | 2018-09-28 | 2022-01-12 | コーニング インコーポレイテッド | 基板の修正に利用される回転式光源 |
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WO2022055062A1 (ko) | 2022-03-17 |
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