JP6512612B2 - レーザ微細加工方法および装置 - Google Patents
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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
- B23K26/02—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
- B23K26/02—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
-
- 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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
- B23K26/388—Trepanning, i.e. boring by moving the beam spot about an axis
-
- 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
- B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets
-
- 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
- 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
-
- 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
- B23K2103/52—Ceramics
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Drying Of Semiconductors (AREA)
- Lasers (AREA)
Description
Claims (17)
- 所定の材料でできた試料(10)のレーザ微細加工用の装置であって、
所定の入射ビームから出発して、集光モジュールの光軸に概ね沿って配向される集束シリンダにしたがって集光され、前記集束シリンダの側面を規定する環状領域(410)で最大値を持つ強度分布を有する非回折ビームの生成を可能とする集光モジュール(603,607)と、
少なくとも一つの第1光パルス(I1)の放射手段(601−602,701−702)であって、前記第1光パルスが前記試料の材料の透過帯域に含まれるスペクトル帯域を有し、したがって前記材料中での線形吸収が制限され、前記集光モジュールにより前記試料中に集光した後、前記集束シリンダの前記側面に位置する前記試料の領域内で多光子吸収による自由電荷のプラズマを生成するように設計される放射手段と、を備えることを特徴とする装置。 - 前記第1光パルスは、100ピコ秒より小さい時間幅を有することを特徴とする請求項1に記載の装置。
- 前記放射手段は、第1光強度閾値より高い所定の光強度の第1光パルスまたは第1光パルス列の放射を可能とし、前記第1光強度閾値は、プラズマ形成位置にて前記材料の物理化学的特性の変化を生じさせるのに十分であることを特徴とする請求項1または2に記載の装置。
- 前記光強度は、プラズマ形成位置にて前記材料のアブレーションを生じさせるのに十分な第2光強度閾値より高いことを特徴とする請求項3に記載の装置。
- 前記放射手段は、プラズマ形成位置にて空間的に重畳されるように設計される少なくとも第2電磁波(I2)の放射を可能にすることを特徴とする請求項1または2に記載の装置。
- 前記放射手段は、単一レーザ光源(701)と、前記レーザ光源から放射される光波から出発して第1光パルスおよび少なくとも第2光パルスの生成を可能にする時間領域調整モジュール(702)と、を備えることを特徴とする請求項5に記載の装置。
- 前記集光モジュールは、空間周波数の空間における環状の強度分布と、空間周波数の空間におけるΦ(kr,θ)=Nθの形式の位相とを有するビームの生成を可能とし、(kr,θ)が円筒座標であり、Nがゼロではない相対的な整数であることを特徴とする請求項1から6のいずれか一項に記載の装置。
- 前記集光モジュールは、前記試料中に集光した後に複数の集束シリンダの同時形成を可能にすることを特徴とする請求項1から7のいずれか一項に記載の装置。
- 前記放射手段により放射されるパルスの偏光を調整する手段をさらに備えることを特徴とする請求項1から8いずれか一項に記載の装置。
- 集束シリンダの内側に含まれる材料を排出する手段をさらに備えることを特徴とする請求項1から9のいずれか一項に記載の装置。
- 所定の透過帯域を有する材料でできた試料(10)をレーザ微細加工する方法であって、
前記材料の透過帯域内に含まれるスペクトル帯域を有し、したがって前記材料中での線形吸収が制限される少なくとも第1パルスを放射すること(101)と、
前記試料中に集光した後に集束シリンダにしたがって集光され、前記集束シリンダの側面を規定する環状領域(410)で最大値を持つ強度分布を有する非回折ビームの形成を可能にする前記第1パルスを空間的に調整すること(103)と、を備え、
前記非回折ビームの光強度は、前記集束シリンダの前記側面に位置する前記試料の領域内での多光子吸収による自由電荷のプラズマの生成を可能にすることを特徴とする方法。 - プラズマ形成位置にて前記材料の物理化学的特性の変化を生じさせるのに十分な光強度を持つ第1光パルスまたは第1光パルス列を放射することを備えることを特徴とする請求項11に記載の方法。
- 前記光強度は、プラズマ形成位置にて前記材料のアブレーションを生じさせるのに十分であることを特徴とする請求項12に記載の方法。
- 前記材料の透過帯域内に含まれるスペクトル帯域を有し、自由電荷のプラズマの吸収による前記材料の加熱を生じさせるようにプラズマ形成位置にて空間的に重畳される少なくとも第2電磁波を放射することをさらに備えることを特徴とする請求項11に記載の方法。
- 少なくとも一つの貫通穴を形成するための所定の材料でできた試料の微細穴開けに適用される方法であって、
第1光パルスの空間的な調整パラメータの制御により前記貫通穴の直径を制御することと、
前記試料および前記非回折ビームの相対的な位置を制御することと、を備えることを特徴とする請求項11から14のいずれか一項に記載の方法。 - 前記貫通穴を形成するために集束シリンダの内側に含まれる材料を排出することをさらに備えることを特徴とする請求項15に記載の方法。
- 試料の切断に適用される方法であって、切断面(100)に沿って前記非回折ビームを変位させることを備えることを特徴とする請求項11から14のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR1360131 | 2013-10-17 | ||
FR1360131A FR3012059B1 (fr) | 2013-10-17 | 2013-10-17 | Methode et dispositif de micro-usinage par laser |
PCT/EP2014/072255 WO2015055779A1 (fr) | 2013-10-17 | 2014-10-16 | Methode et dispositif de micro-usinage par laser |
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JP2016535675A JP2016535675A (ja) | 2016-11-17 |
JP6512612B2 true JP6512612B2 (ja) | 2019-05-15 |
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US (1) | US11059129B2 (ja) |
EP (1) | EP3057736B1 (ja) |
JP (1) | JP6512612B2 (ja) |
FR (1) | FR3012059B1 (ja) |
LT (1) | LT3057736T (ja) |
WO (1) | WO2015055779A1 (ja) |
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JP6825125B2 (ja) * | 2016-11-01 | 2021-02-03 | コリア フード リサーチ インスティチュート | 高分解能テラヘルツ波集光モジュール、散乱光検出モジュール、及びテラヘルツ波ベッセルビームを用いた高分解能検査装置 |
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CN107824959B (zh) * | 2017-11-13 | 2024-02-02 | 华中科技大学 | 一种激光打孔方法及系统 |
US11482826B2 (en) * | 2018-01-12 | 2022-10-25 | Ricoh Company, Ltd. | Optical processing apparatus, optical processing method, and optically-processed product production method |
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US20220347796A1 (en) * | 2019-03-21 | 2022-11-03 | Corning Incorporated | Systems for and methods of forming micro-holes in glass-based objects using an annular vortex laser beam |
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CN110824716B (zh) * | 2019-12-26 | 2021-09-07 | 河南科技大学 | 一种灵活调控自聚焦光束自聚焦焦距的方法 |
CN111360415B (zh) * | 2020-03-20 | 2021-03-30 | 吉林大学 | 一种利用化学处理辅助激光加工制备金刚石涡旋光束发生器的方法及其应用 |
US11630265B2 (en) | 2020-04-15 | 2023-04-18 | Google Llc | Glass fiber hole plates for 2D fiber collimators and methods for alignment and fabrication for optical switching applications |
CN116113516A (zh) * | 2020-06-25 | 2023-05-12 | 康宁股份有限公司 | 使用径向可变激光射束焦柱来激光加工透明工件的方法 |
CN112130439B (zh) * | 2020-09-25 | 2021-07-13 | 北京理工大学 | 一种基于飞秒激光制备的可变防伪计算机全息图 |
CN112317961B (zh) * | 2020-10-09 | 2022-06-24 | 哈尔滨工业大学 | 一种超薄水膜辅助脉冲激光微加工装置及其加工方法 |
CN112388185B (zh) * | 2020-11-23 | 2022-09-30 | 西安中科微精光子科技股份有限公司 | 针对非线性形变的激光切割补偿方法、装置及存储介质 |
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JP4645892B2 (ja) * | 2005-03-29 | 2011-03-09 | アイシン精機株式会社 | レーザ加工装置及び方法 |
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US9138913B2 (en) * | 2005-09-08 | 2015-09-22 | Imra America, Inc. | Transparent material processing with an ultrashort pulse laser |
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JP5531261B2 (ja) * | 2009-03-27 | 2014-06-25 | 国立大学法人 千葉大学 | レーザー加工方法、円偏光光渦レーザービームを用いたレーザー加工方法、針状体を有する部材の製造方法、および針状体を有する部材 |
FR2989294B1 (fr) * | 2012-04-13 | 2022-10-14 | Centre Nat Rech Scient | Dispositif et methode de nano-usinage par laser |
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US20160271727A1 (en) | 2016-09-22 |
FR3012059A1 (fr) | 2015-04-24 |
FR3012059B1 (fr) | 2016-01-08 |
WO2015055779A1 (fr) | 2015-04-23 |
EP3057736B1 (fr) | 2018-01-10 |
US11059129B2 (en) | 2021-07-13 |
EP3057736A1 (fr) | 2016-08-24 |
LT3057736T (lt) | 2018-05-10 |
JP2016535675A (ja) | 2016-11-17 |
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