JP2016535675A - 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
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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
- 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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- 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
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- 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)
Abstract
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、当該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、
前記集光モジュールにより前記試料中に集光した後、前記試料の体積中の前記集束シリンダの側面の位置にて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少なくとも一つの第1光パルス(I1)の放射手段(601−602,701−702)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する少なくとも第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、前記試料の体積中の前記集束シリンダの側面の位置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 true JP2016535675A (ja) | 2016-11-17 |
JP6512612B2 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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JP2019123015A (ja) * | 2018-01-12 | 2019-07-25 | 株式会社リコー | 光加工装置、光加工方法及び光加工物の生産方法 |
WO2023286265A1 (ja) * | 2021-07-16 | 2023-01-19 | 三菱電機株式会社 | レーザ加工装置及びレーザ加工方法 |
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JP2019123015A (ja) * | 2018-01-12 | 2019-07-25 | 株式会社リコー | 光加工装置、光加工方法及び光加工物の生産方法 |
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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WO2023286265A1 (ja) * | 2021-07-16 | 2023-01-19 | 三菱電機株式会社 | レーザ加工装置及びレーザ加工方法 |
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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 |
JP6512612B2 (ja) | 2019-05-15 |
EP3057736A1 (fr) | 2016-08-24 |
LT3057736T (lt) | 2018-05-10 |
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