JP6800963B2 - ワークピースのレーザー溶接のためのレーザー加工機および方法 - Google Patents
ワークピースのレーザー溶接のためのレーザー加工機および方法 Download PDFInfo
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- JP6800963B2 JP6800963B2 JP2018516017A JP2018516017A JP6800963B2 JP 6800963 B2 JP6800963 B2 JP 6800963B2 JP 2018516017 A JP2018516017 A JP 2018516017A JP 2018516017 A JP2018516017 A JP 2018516017A JP 6800963 B2 JP6800963 B2 JP 6800963B2
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- 238000000034 method Methods 0.000 title claims description 10
- 238000003754 machining Methods 0.000 title description 2
- 230000003287 optical effect Effects 0.000 claims description 35
- 238000003466 welding Methods 0.000 claims description 27
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 16
- 229910052802 copper Inorganic materials 0.000 description 14
- 239000010949 copper Substances 0.000 description 14
- 239000000919 ceramic Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 239000004020 conductor Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for 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
- B23K26/062—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
- B23K26/064—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
-
- 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
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/22—Spot welding
-
- 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
- B23K2101/42—Printed circuits
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Description
・数ミリメートルにわたる、放射方向(z方向)における大きい出力不変性と、
・再現可能な溶接深さを生じさせる、放射方向に対して半径方向のベル形の出力密度分布と、
が得られる。
Claims (6)
- ワークピース(2,3)のレーザー溶接のためのレーザー加工機(1)であって、レーザービーム(5)を生成するためのレーザービーム生成器(7)と、前記レーザービーム(5)を加工面(10)に結像させるための結像光学系(9)とを備えているレーザー加工機(1)において、
前記結像光学系(9)は、アキシコン(15)を有しており、
当該アキシコン(15)は、入射する拡散性のレーザービーム(5)をリング状のレーザービーム(5)に変形し、前記リング状のレーザービームの外側の縁部放射(5a)はコリメートされて焦点合わせレンズ(12)に入射して、前記焦点合わせレンズ(12)によって、焦点面(13)に焦点合わせされ、かつ前記リング状のレーザービームの内側の縁部放射(5b)は拡散して前記焦点合わせレンズ(12)に入射し、前記焦点合わせレンズ(12)の影響を受けず、前記アキシコン(15)は、前記レーザービーム(5)を、前記加工面(10)において少なくとも±2mmの焦点深度(Δd)で当該焦点深度(Δd)に沿って、ビーム軸線(16)に対して直角の各面において、前記レーザービーム(5)の半径方向の出力密度分布(Pr)がベル形に形成されており、かつ、前記焦点深度(Δd)に沿った、ベル形の前記出力密度分布(Pr)の最大値(Pmax)相互の変動が10%を下回るように、結像させる、
ことを特徴とする、レーザー加工機(1)。 - 前記アキシコン(15)は、凸型に形成されており、前記加工面(10)は、前記結像光学系(9)の焦点面(13)の前方に位置する上方焦点領域に位置する、請求項1に記載のレーザー加工機。
- 前記アキシコン(15)は、凹型に形成されており、前記加工面(10)は、前記結像光学系(9)の焦点面(13)の後方に位置する下方焦点領域に位置する、請求項1に記載のレーザー加工機。
- 前記アキシコン(15)は、前記レーザービーム(5)の平行するまたは拡散性のビーム路に配置されている、請求項1から3までのいずれか1項に記載のレーザー加工機。
- 前記レーザービーム(5)は、パルス状の緑色のレーザービームである、請求項1から4までのいずれか1項に記載のレーザー加工機。
- レーザービーム(5)を用いた、加工面(10)における、DBC構造体(4)の重ね溶接での結像光学系(9)としてのアキシコン(15)またはデュアルフォーカス対物レンズ(22)の使用方法において、
前記レーザービーム(5)は、前記加工面(10)において少なくとも±2mmの焦点深度(Δd)で、当該焦点深度(Δd)に沿って、ビーム軸線(16)に対して直角の各面において、前記レーザービーム(5)の半径方向の出力密度分布(Pr)がベル形に形成されており、かつ、前記焦点深度(Δd)に沿った、ベル形の前記出力密度分布(Pr)の最大値(Pmax)相互の変動が10%を下回るように、結像される、
ことを特徴とする、レーザービーム(5)を用いた、加工面(10)における、使用方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015218564.8 | 2015-09-28 | ||
DE102015218564.8A DE102015218564B4 (de) | 2015-09-28 | 2015-09-28 | Laserbearbeitungsmaschine und Verfahren zum Laserschweißen von Werkstücken |
PCT/EP2016/072907 WO2017055242A1 (de) | 2015-09-28 | 2016-09-27 | Laserbearbeitungsmaschine und verfahren zum überlappschweissen von dcb-strukturen |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018528081A JP2018528081A (ja) | 2018-09-27 |
JP6800963B2 true JP6800963B2 (ja) | 2020-12-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018516017A Active JP6800963B2 (ja) | 2015-09-28 | 2016-09-27 | ワークピースのレーザー溶接のためのレーザー加工機および方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10835992B2 (ja) |
JP (1) | JP6800963B2 (ja) |
KR (1) | KR20180055817A (ja) |
CN (1) | CN108136540B (ja) |
DE (1) | DE102015218564B4 (ja) |
WO (1) | WO2017055242A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3412400A1 (en) * | 2017-06-09 | 2018-12-12 | Bystronic Laser AG | Beam shaper and use thereof, device for laser beam treatment of a workpiece and use thereof, method for laser beam treatment of a workpiece |
DE102019103668A1 (de) * | 2019-02-13 | 2020-08-13 | Trumpf Laser- Und Systemtechnik Gmbh | Verfahren zum Fügen von Kupfer-Hairpins und Stator |
DE102020214505A1 (de) * | 2020-11-18 | 2022-05-19 | Robert Bosch Gesellschaft mit beschränkter Haftung | Vorrichtung und Verfahren zum Verbinden von Bauteilen |
TWI826924B (zh) * | 2022-02-11 | 2023-12-21 | 友達光電股份有限公司 | 雙物鏡顯微系統 |
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FR2803549B1 (fr) * | 2000-01-10 | 2002-03-29 | Air Liquide | Procede et installation de coupage laser d'acier doux ou de construction avec optique multifocale |
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-
2015
- 2015-09-28 DE DE102015218564.8A patent/DE102015218564B4/de active Active
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2016
- 2016-09-27 JP JP2018516017A patent/JP6800963B2/ja active Active
- 2016-09-27 CN CN201680056671.7A patent/CN108136540B/zh active Active
- 2016-09-27 KR KR1020187007513A patent/KR20180055817A/ko not_active Application Discontinuation
- 2016-09-27 WO PCT/EP2016/072907 patent/WO2017055242A1/de active Application Filing
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2018
- 2018-03-27 US US15/936,885 patent/US10835992B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN108136540B (zh) | 2021-05-04 |
JP2018528081A (ja) | 2018-09-27 |
CN108136540A (zh) | 2018-06-08 |
WO2017055242A1 (de) | 2017-04-06 |
WO2017055242A8 (de) | 2017-05-26 |
US10835992B2 (en) | 2020-11-17 |
KR20180055817A (ko) | 2018-05-25 |
US20180214981A1 (en) | 2018-08-02 |
DE102015218564B4 (de) | 2020-07-30 |
DE102015218564A1 (de) | 2017-03-30 |
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