JP5190089B2 - 基板切断装置、及び基板切断方法 - Google Patents
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- 238000005520 cutting process Methods 0.000 title claims description 98
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- 238000001816 cooling Methods 0.000 description 2
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Classifications
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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
- 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
- B23K26/36—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
- B23K26/02—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
-
- 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
- B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
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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
- B23K26/062—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
-
- 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
- B23K26/0738—Shaping the laser spot into a linear shape
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/144—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
-
- 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
- B23K26/60—Preliminary treatment
-
- 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
- C03B33/04—Cutting or splitting in curves, especially for making spectacle lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/09—Severing cooled glass by thermal shock
- C03B33/091—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/09—Severing cooled glass by thermal shock
- C03B33/091—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
- C03B33/093—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam using two or more focussed radiation beams
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Laser Beam Processing (AREA)
Description
20 ステージ、
30、40 第1、2レーザ発生部、
45 補助光学部、
46 補助ミラー、
47 補助集光部、
48 補助ケーシング、
50 光スイング部、
52 反射部、
52 駆動部、
55 ケーシング、
60 クリーニング部、
80 移送部、
101、102 基板切断装置、
481、485 補助光入口、
551 光流入口、
555 光照射口、
LB1、LB2 第1、2レーザビーム、
PCL 仮想の切断ライン、
PCL1 直線、
PCL2 曲線、
PCL3 楕円。
Claims (27)
- 基板を支持するステージ、
前記基板に向かう短パルスレーザビームを放出するレーザ発生部、及び
前記短パルスレーザビームの光経路上に配置され、前記基板が切断される仮想の切断ラインに沿って前記基板上に予め設定された所定の光照射区間内で前記短パルスレーザビームが往復して照射されるように前記短パルスレーザビームをスイングさせる光スイング部を含み、
前記光照射区間は、曲線区間及び直線区間のうちの一つ以上の区間を含む、基板切断装置。 - 前記光スイング部によってスイングした前記短パルスレーザビームは、前記光照射区間内の前記基板の少なくとも一部を物理的に除去する、請求項1に記載の基板切断装置。
- 前記光スイング部及び前記ステージのうちの一つ以上を前記基板と平行な方向に移送させる移送部をさらに含み、
前記移送部によって前記光照射区間は、前記仮想の切断ラインに沿って移動する、請求項2に記載の基板切断装置。 - 前記仮想の切断ラインは、直線、曲線、円、及び楕円のうちの一つ以上を含む、請求項3に記載の基板切断装置。
- 前記光スイング部によってスイングした前記短パルスレーザビームが、前記仮想の切断ラインに沿って前記基板の一部を除去するに先立って、前記基板を予め加熱するための追加のレーザビームを放出する追加のレーザ発生部をさらに含む、請求項3または請求項4に記載の基板切断装置。
- 前記追加のレーザ発生部は炭酸ガスレーザである、請求項5に記載の基板切断装置。
- 前記短パルスレーザビームは200nm〜900nm範囲内に属する波長を有する、請求項2〜6のいずれか1項に記載の基板切断装置。
- 前記短パルスレーザビームは、50psより短い単位照射時間と、0.1MHz〜100MHz範囲内に属するパルス周波数を有する、請求項2〜7のいずれか1項に記載の基板切断装置。
- 前記短パルスレーザビームによって前記基板が除去された領域をクリーニングするクリーニング部をさらに含む、請求項2〜8のいずれか1項に記載の基板切断装置。
- 前記基板は、0.3mm以下の厚さを有し、ガラス系の素材で作られる、請求項2〜9のいずれか1項に記載の基板切断装置。
- 前記基板は、0.4mm〜1.5mm範囲内の厚さを有するガラス系の素材で作られ、前記基板を両面加工する、請求項2〜9のいずれか1項に記載の基板切断装置。
- 前記光スイング部は、前記短パルスレーザビームを振って、前記基板に対する前記短パルスレーザビームの入射角を変化させる、請求項1〜11のいずれか1項に記載の基板切断装置。
- 前記光スイング部は、前記レーザ発生部から放出した前記短パルスレーザビームを前記基板方向に反射させる反射部と、前記反射部を駆動する駆動部とを含む、請求項12に記載の基板切断装置。
- 前記駆動部は複数の回転軸を有して前記反射部を駆動する、請求項13に記載の基板切断装置。
- 前記複数の回転軸は、第1回転軸と、前記第1回転軸と交差する第2回転軸とを含む、請求項14に記載の基板切断装置。
- ステージに基板を装着する段階、
光スイング部によって短パルスレーザビームをスイングさせて、前記基板が切断される仮想の切断ラインに沿って前記基板上に予め設定された所定の光照射区間内で前記短パルスレーザビームを往復させて照射する段階、及び
前記光スイング部及び前記ステージのうちの一つ以上を移送させて、前記光照射区間を前記仮想の切断ラインに沿って移動させる段階を含み、
前記光照射区間は、曲線区間及び直線区間のうちの一つ以上の区間を含む、基板切断方法。 - 前記仮想の切断ラインは、直線、曲線、円、及び楕円のいずれか一つ以上を含む、請求項16に記載の基板切断方法。
- 前記光スイング部によってスイングした前記短パルスレーザビームは、前記光照射区間内の前記基板を物理的に除去する、請求項16または請求項17に記載の基板切断方法。
- 前記短パルスレーザビームによって前記基板が除去された領域をクリーニングする段階をさらに含む、請求項18に記載の基板切断方法。
- 前記短パルスレーザビームは、50psより短い単位照射時間と、0.1MHz〜100MHz範囲内に属するパルス周波数とを有する、請求項18または請求項19に記載の基板切断方法。
- 前記短パルスレーザビームは、200nm〜900nm範囲内に属する波長を有する、請求項18〜20のいずれか1項に記載の基板切断方法。
- 前記基板は、0.3mm以下の厚さを有し、ガラス系の素材で作られる、請求項18〜21のいずれか1項に記載の基板切断方法。
- 前記基板は、0.4mm〜1.5mm範囲内の厚さを有するガラス系の素材で作られ、
前記基板を前後面反転させて両面加工する段階をさらに含む、請求項18〜21のいずれか1項に記載の基板切断方法。 - 前記光スイング部によってスイングした前記短パルスレーザビームが、前記仮想の切断ラインに沿って前記基板の一部を除去するに先立って、追加のレーザビームによって前記基板を予め加熱する段階をさらに含み、
前記追加のレーザビームは炭酸ガスレーザビームである、請求項18〜23のいずれか1項に記載の基板切断方法。 - 前記光スイング部は、前記短パルスレーザビームを振って前記基板に対する前記短パルスレーザビームの入射角を変化させる、請求項16〜24のいずれか1項に記載の基板切断方法。
- 前記光スイング部は、前記レーザ発生部から放出した前記短パルスレーザビームを前記基板方向に反射させる反射部と、前記反射部を駆動する駆動部とを含み、
前記駆動部は、複数の回転軸を有して前記反射部を駆動する、請求項25に記載の基板切断方法。 - 前記複数の回転軸は、第1回転軸と、前記第1回転軸と交差する第2回転軸とを含む、請求項26に記載の基板切断方法。
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KR1020090082596A KR101094284B1 (ko) | 2009-09-02 | 2009-09-02 | 기판 절단 장치 및 이를 이용한 기판 절단 방법 |
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KR101950450B1 (ko) * | 2012-08-09 | 2019-02-21 | (주)하드램 | 이동통신 단말기용 윈도우 플레이트 커팅 시스템 및 방법 |
JP5472521B1 (ja) | 2012-10-10 | 2014-04-16 | 日本電気硝子株式会社 | モバイルディスプレイ用カバーガラスの製造方法 |
US9069122B2 (en) | 2012-10-12 | 2015-06-30 | Go!Foton Holdings, Inc. | Concave lens assembly |
EP2754524B1 (de) | 2013-01-15 | 2015-11-25 | Corning Laser Technologies GmbH | Verfahren und Vorrichtung zum laserbasierten Bearbeiten von flächigen Substraten, d.h. Wafer oder Glaselement, unter Verwendung einer Laserstrahlbrennlinie |
KR101948382B1 (ko) | 2013-01-30 | 2019-02-14 | 코닝 인코포레이티드 | 가요성 유리의 연속 레이저 절단을 위한 장치 및 방법 |
EP2781296B1 (de) | 2013-03-21 | 2020-10-21 | Corning Laser Technologies GmbH | Vorrichtung und verfahren zum ausschneiden von konturen aus flächigen substraten mittels laser |
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