JP2018199144A - レーザ加工装置及びレーザ加工方法 - Google Patents
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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
- B23K26/08—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
- B23K26/08—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
- B23K26/351—Working by laser beam, e.g. welding, cutting or boring for trimming or tuning of electrical components
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/359—Working by laser beam, e.g. welding, cutting or boring for surface treatment by providing a line or line pattern, e.g. a dotted break initiation line
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- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
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Abstract
【解決手段】レーザ加工装置(1)は、レーザ光を発振するレーザ発振器(30)と、S偏光を集光する第1の集光器(31)と、P偏光を集光する第2の集光器(32)と、ウエーハ(W)を保持する保持テーブル(2)を第1、第2の集光器に対してX方向に加工送りするX移動手段(4)と、第1、第2の集光器をそれぞれY方向にインデックス送りする第1、第2のインデックス送り手段(6、7)と、を備える。第1の集光器でウエーハをX方向の分割予定ライン(L)に沿ってレーザ加工している間に、第2の集光器をインデックス送りして次の分割予定ライン上に位置付ける。
【選択図】図3
Description
L 分割予定ライン
1 レーザ加工装置
2 保持テーブル
20 保持面
3 加工手段
30 レーザ発振器(発振部)
31 第1の集光器
32 第2の集光器
33 切換手段
34 1/2波長板
35 偏光ビームスプリッタ
36 ミラー
37 回転手段
4 X移動手段
5 制御手段
6 第1のインデックス送り手段
7 第2のインデックス送り手段
L1 第1のレーザ光
L2 第2のレーザ光
Claims (2)
- 分割予定ラインにより区画されデバイスを形成するウエーハの該分割予定ラインに沿ってレーザ光を照射させウエーハをレーザ加工するレーザ加工装置であって、
ウエーハを保持する保持面を有する保持テーブルと、
該保持テーブルに保持したウエーハの分割予定ラインに沿ってレーザ光を集光させた加工点を位置付けレーザ加工する加工手段と、
該保持テーブルを該分割予定ラインの延在方向のX方向に移動させるX移動手段と、を備え、
該加工手段は、
レーザ光を発振する発振部と、
該保持面において該X方向に直交するY方向に並んでレーザ光が入射する順に配設される第1の集光器と第2の集光器と、
該発振部から発振されたレーザ光を該第1の集光器で集光させるときと該第2の集光器で集光させるときとに切り換え該Y方向のレーザ光の光路上に配設する切換手段と、を備え、
該切換手段は、
1/2波長板と、
1/2波長板を第1の角度と第2の角度とに回転させる回転手段と、
該第1の角度で回転された該1/2波長板で偏光面が回転された該Y方向を光路とするS偏光のレーザ光を100%反射させ該X方向と該Y方向とに直交するZ方向に光路を変更し該第1の集光器で集光させる偏光ビームスプリッタと、
該第2の角度で回転された該1/2波長板で偏光面が回転された該Y方向を光路とするP偏光のレーザ光を100%該偏光ビームスプリッタを透過させたレーザ光を反射させ該Z方向に光路を変更し該第2の集光器で集光させるミラーと、を備え、
さらに、該偏光ビームスプリッタと該第1の集光器とを該Y方向にインデックス送りする第1のインデックス送り手段と、
該ミラーと該第2の集光器とを該Y方向にインデックス送りする第2のインデックス送り手段と、
制御手段とを備え、
該制御手段は、該第1の集光器または該第2の集光器のどちらかでレーザ加工しているときに、レーザ加工をしていない集光器の該第1のインデックス送り手段または該第2のインデックス送り手段のどちらかのインデックス送り手段を動作させ次に加工する該分割予定ラインに対してインデックス送りするレーザ加工装置。 - 請求項1記載のレーザ加工装置を用いたレーザ加工方法であって、
分割予定ラインを備えたウエーハを保持する保持工程と、
該保持工程で保持したウエーハの該分割予定ラインを検出するアライメント工程と、
該発振部から発振されたレーザ光を集光させた該第1の集光器の加工点を該分割予定ラインに位置付け該保持テーブルを+X方向に移動させレーザ加工する第1の加工工程と、
該第1の加工工程中に該第2の集光器の加工点を次にレーザ加工する該分割予定ラインに位置づけるインデックス送りの第1のインデックス送り工程と、
該第1のインデックス送り工程の後、該保持テーブルを該第1の加工工程とは反対方向の−X方向に移動させ該第2の集光器の加工点でレーザ加工する第2の加工工程と、
該第2の加工工程中に該第1の集光器の加工点を次にレーザ加工する該分割予定ラインに位置づけるインデックス送りの第2のインデックス送り工程と、
該第1の加工工程から該第2のインデックス送り工程までを繰り返す繰り返し工程と、を備えたレーザ加工方法。
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JP2017104335A JP6844901B2 (ja) | 2017-05-26 | 2017-05-26 | レーザ加工装置及びレーザ加工方法 |
KR1020180054281A KR102313928B1 (ko) | 2017-05-26 | 2018-05-11 | 레이저 가공 장치 및 레이저 가공 방법 |
CN201810492940.5A CN108941885B (zh) | 2017-05-26 | 2018-05-22 | 激光加工装置和激光加工方法 |
TW107117752A TWI746853B (zh) | 2017-05-26 | 2018-05-24 | 雷射加工裝置及雷射加工方法 |
US15/988,930 US10406631B2 (en) | 2017-05-26 | 2018-05-24 | Laser processing apparatus and laser processing method |
DE102018208365.7A DE102018208365B4 (de) | 2017-05-26 | 2018-05-28 | Laserbearbeitungsvorrichtung und laserbearbeitungsverfahren |
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CN110526379A (zh) * | 2019-08-26 | 2019-12-03 | 江苏大学 | 一种用于处理染料废水的高效激光空化装置 |
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US20190151993A1 (en) * | 2017-11-22 | 2019-05-23 | Asm Technology Singapore Pte Ltd | Laser-cutting using selective polarization |
CN109894739B (zh) * | 2019-03-04 | 2024-04-09 | 无锡蓝智自动化科技有限公司 | 用于发动机气缸圈的全自动激光刻印装置 |
KR20200127078A (ko) | 2019-04-30 | 2020-11-10 | 세메스 주식회사 | 기판 처리 방법, 기판 처리 장치 및 기판 처리 설비 |
KR102310466B1 (ko) * | 2019-06-27 | 2021-10-13 | 세메스 주식회사 | 기판 처리 장치 및 방법 |
TWI860382B (zh) * | 2019-07-18 | 2024-11-01 | 日商東京威力科創股份有限公司 | 處理裝置及處理方法 |
TWI857094B (zh) * | 2019-07-18 | 2024-10-01 | 日商東京威力科創股份有限公司 | 處理裝置及處理方法 |
TWI857095B (zh) * | 2019-07-18 | 2024-10-01 | 日商東京威力科創股份有限公司 | 處理裝置及處理方法 |
NL2026427B1 (en) * | 2019-09-10 | 2021-10-13 | Tokyo Seimitsu Co Ltd | Laser machining apparatus |
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TW527250B (en) * | 2000-11-13 | 2003-04-11 | Sumitomo Heavy Industries | Method and device for working planning and method and device for producing working data therefor |
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JP5101073B2 (ja) * | 2006-10-02 | 2012-12-19 | 浜松ホトニクス株式会社 | レーザ加工装置 |
KR100969946B1 (ko) * | 2007-07-24 | 2010-07-14 | 주식회사 이오테크닉스 | 레이저 빔 분할을 이용한 레이저 가공 장치 및 방법 |
KR101144092B1 (ko) * | 2008-04-25 | 2012-05-24 | 주식회사 엘에스텍 | 패턴 형성 장치 |
JP5700436B2 (ja) * | 2011-06-07 | 2015-04-15 | 株式会社ディスコ | 加工装置 |
TWI476063B (zh) * | 2011-10-04 | 2015-03-11 | Ind Tech Res Inst | 雷射切割方法與裝置 |
JP6022223B2 (ja) * | 2012-06-14 | 2016-11-09 | 株式会社ディスコ | レーザー加工装置 |
KR101621936B1 (ko) * | 2012-07-04 | 2016-05-17 | 참엔지니어링(주) | 기판 절단 장치 및 방법 |
CN203292701U (zh) * | 2013-04-01 | 2013-11-20 | 深圳市木森科技有限公司 | 一种同轴激光加工机构 |
JP2016052672A (ja) * | 2014-09-04 | 2016-04-14 | 株式会社ディスコ | レーザー加工装置 |
JP6501530B2 (ja) * | 2015-01-21 | 2019-04-17 | 株式会社ディスコ | レーザー加工装置 |
KR101850362B1 (ko) * | 2015-06-12 | 2018-04-20 | 주식회사 이오테크닉스 | 레이저 빔 균일화 장치 및 방법 |
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CN110526379A (zh) * | 2019-08-26 | 2019-12-03 | 江苏大学 | 一种用于处理染料废水的高效激光空化装置 |
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