JP7450413B2 - レーザー加工装置およびレーザー加工装置の調整方法 - Google Patents
レーザー加工装置およびレーザー加工装置の調整方法 Download PDFInfo
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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
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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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- B23K26/08—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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-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
- B23K26/03—Observing, e.g. monitoring, the 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
- B23K26/06—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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
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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
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- 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
- B23K37/0461—Welding tables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus
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- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0916—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2294—Addressing the hologram to an active spatial light modulator
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/40—Semiconductor devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- 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
-
- 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
- B23K26/08—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
- B23K26/50—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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0891—Ultraviolet [UV] mirrors
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H2001/0094—Adaptation of holography to specific applications for patterning or machining using the holobject as input light distribution
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- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
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- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
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Description
本発明の実施形態に係るレーザー加工装置1を図面に基づいて説明する。図1は、実施形態に係るレーザー加工装置1の構成例を示す斜視図である。図2は、図1に示されたレーザー加工装置1の加工対象の被加工物100の斜視図である。
10 チャックテーブル
20 レーザービーム照射ユニット
21 レーザービーム
22 レーザー発振器
23 偏光板
24 位相変調素子
241 表示部
242 形状補正パターン
243 調整パターン
244 合算パターン
25 レンズ群
251、252 レンズ
26 ミラー
27 集光レンズ
271 第1面
2711 実形状
2712 フィット関数
272 第2面
28 加工点
30 移動ユニット
70 撮像ユニット
80 入力ユニット
90 制御部
100 被加工物
Claims (4)
- レーザー加工装置であって、
被加工物を保持するチャックテーブルと、
該チャックテーブルに保持された被加工物にレーザービームを照射するレーザービーム照射ユニットと、
該チャックテーブルと該レーザービーム照射ユニットとを相対的に移動させる移動ユニットと、
を含み、
該レーザービーム照射ユニットは、
レーザー発振器と、
該レーザー発振器から発振されたレーザービームを集光する集光レンズと、
該レーザー発振器と該集光レンズとの間に配設される位相変調素子と、
を備え、
該位相変調素子に印加する電圧をマップ化したパターンを入力する入力ユニットと、
各構成要素を制御し、該入力ユニットから入力された該パターンに応じた電圧を該位相変調素子に印加する制御部と、
を更に有し、
該パターンは、
該集光レンズの実際の形状と設計値との差を補正して該集光レンズの固体差を抑制するための形状補正パターンを含むことを特徴とする、
レーザー加工装置。 - 該パターンは、
該形状補正パターンと、
該レーザービームの加工点での形状および強度を含む光学的特性を調整するための調整パターンと、
を足し合わせた合算パターンを含むことを特徴とする、
請求項1に記載のレーザー加工装置。 - 被加工物を保持するチャックテーブルと、
該チャックテーブルに保持された被加工物にレーザービームを照射するレーザービーム照射ユニットと、
該チャックテーブルと該レーザービーム照射ユニットとを相対的に移動させる移動ユニットと、
各構成要素を制御する制御部と、
種々の情報を入力する入力ユニットと、
を有し、
該レーザービーム照射ユニットは、
レーザー発振器と、
該レーザー発振器から発振されたレーザービームを集光する集光レンズと、
該レーザー発振器と該集光レンズとの間に配設される位相変調素子と、
を備えたレーザー加工装置において、被加工物に照射されるレーザービームの集光状態を調整する調整方法であって、
該位相変調素子に印加する電圧をマップ化したパターンを作成するパターン作成ステップと、
該パターン作成ステップで作成したパターンを該入力ユニットから入力する入力ステップと、
該入力ステップで入力されたパターンに応じた電圧を該位相変調素子に印加する電圧印加ステップと、
該電圧印加ステップの後、該レーザービームを発振しながら該被加工物と該レーザービームとを相対的に移動させ、該被加工物に加工を施すレーザービーム照射ステップと、
を含み、
該パターン作成ステップで作成するパターンは、該集光レンズの実際の形状と設計値との差を補正して該集光レンズの固体差を抑制するための形状補正パターンを含むことを特徴とする、
レーザー加工装置の調整方法。 - 該パターン作成ステップで作成するパターンは、
該形状補正パターンと、
該レーザービームの加工点での形状および強度を含む光学的特性を調整するための調整パターンと、
を足し合わせた合算パターンを含むことを特徴とする、
請求項3に記載のレーザー加工装置の調整方法。
Priority Applications (6)
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US17/177,492 US11752574B2 (en) | 2020-03-09 | 2021-02-17 | Laser processing apparatus and adjustment method for laser processing apparatus |
KR1020210024055A KR20210113944A (ko) | 2020-03-09 | 2021-02-23 | 레이저 가공 장치 및 레이저 가공 장치의 조정 방법 |
TW110106759A TW202135157A (zh) | 2020-03-09 | 2021-02-25 | 雷射加工裝置及雷射加工裝置之調整方法 |
CN202110243205.2A CN113441833A (zh) | 2020-03-09 | 2021-03-05 | 激光加工装置和激光加工装置的调整方法 |
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JP2010058128A (ja) | 2008-09-01 | 2010-03-18 | Hamamatsu Photonics Kk | レーザ光照射装置およびレーザ光照射方法 |
JP2011031284A (ja) | 2009-08-03 | 2011-02-17 | Hamamatsu Photonics Kk | レーザ加工方法 |
JP2011152562A (ja) | 2010-01-27 | 2011-08-11 | Hamamatsu Photonics Kk | レーザ加工システム |
JP2014233727A (ja) | 2013-05-31 | 2014-12-15 | 株式会社ディスコ | レーザー加工装置 |
JP2016055319A (ja) | 2014-09-10 | 2016-04-21 | 浜松ホトニクス株式会社 | 光照射装置および光照射方法 |
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US20020097505A1 (en) * | 2000-11-30 | 2002-07-25 | Delong James A. | Single-element catadioptric condenser lens |
JP5802109B2 (ja) * | 2011-10-26 | 2015-10-28 | 浜松ホトニクス株式会社 | 光変調制御方法、制御プログラム、制御装置、及びレーザ光照射装置 |
JP2019207274A (ja) | 2018-05-28 | 2019-12-05 | 日本グラスファイバー工業株式会社 | 防音材及びその製造方法 |
US10989591B2 (en) * | 2019-02-08 | 2021-04-27 | University Of Maryland, College Park | Methods and arrangements to enhance optical signals within aberrated or scattering samples |
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JP2010058128A (ja) | 2008-09-01 | 2010-03-18 | Hamamatsu Photonics Kk | レーザ光照射装置およびレーザ光照射方法 |
JP2011031284A (ja) | 2009-08-03 | 2011-02-17 | Hamamatsu Photonics Kk | レーザ加工方法 |
JP2011152562A (ja) | 2010-01-27 | 2011-08-11 | Hamamatsu Photonics Kk | レーザ加工システム |
JP2014233727A (ja) | 2013-05-31 | 2014-12-15 | 株式会社ディスコ | レーザー加工装置 |
JP2016055319A (ja) | 2014-09-10 | 2016-04-21 | 浜松ホトニクス株式会社 | 光照射装置および光照射方法 |
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TW202135157A (zh) | 2021-09-16 |
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