JP5804040B2 - レーザ加工方法 - Google Patents
レーザ加工方法 Download PDFInfo
- Publication number
- JP5804040B2 JP5804040B2 JP2013266688A JP2013266688A JP5804040B2 JP 5804040 B2 JP5804040 B2 JP 5804040B2 JP 2013266688 A JP2013266688 A JP 2013266688A JP 2013266688 A JP2013266688 A JP 2013266688A JP 5804040 B2 JP5804040 B2 JP 5804040B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- insulating layer
- laser beam
- laser processing
- conductor layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0017—Etching of the substrate by chemical or physical means
- H05K3/0026—Etching of the substrate by chemical or physical means by laser ablation
- H05K3/0032—Etching of the substrate by chemical or physical means by laser ablation of organic insulating material
- H05K3/0035—Etching of the substrate by chemical or physical means by laser ablation of organic insulating material of blind holes, i.e. having a metal layer at the bottom
-
- 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
- B23K26/08—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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
-
- 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
- B23K2103/16—Composite materials, e.g. fibre reinforced
- B23K2103/166—Multilayered materials
- B23K2103/172—Multilayered materials wherein at least one of the layers is non-metallic
-
- 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
- B23K2103/30—Organic material
- B23K2103/42—Plastics
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- Laser Beam Processing (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Description
Claims (4)
- 導体層と前記導体層上に積層された樹脂製の絶縁層とを含む対象物をパルスレーザ光の光路上に設置し、前記対象物にパルスレーザ光を照射することにより、前記導体層上の所定領域に位置する前記絶縁層のみを破壊損傷で除去するレーザ加工方法であって、
前記パルスレーザ光の波長として、前記導体層に対する吸収率が10%未満かつ前記絶縁層に対する透過率が70%以上となる波長を選択し、
前記パルスレーザ光の半値全幅が10psより大きくかつ5ns未満となるように、前記パルスレーザ光の繰り返し周波数を50kHz以上の所定の値に設定し、
前記パルスレーザ光の1パルス当たりのフルーエンスを、前記半値全幅に依存した前記絶縁層の破壊損傷閾値以上であり、かつ、前記導体層がほとんど損傷を受けない範囲に設定し、
前記選択された波長、前記設定された1パルス当たりのフルーエンスおよび前記設定された繰り返し周波数を有する前記パルスレーザ光を、前記所定領域の前記絶縁層に掃引しながら直接入射させ、
前記絶縁層を通過した後に前記導体層に到達するよう、前記対象物の所定領域に照射するレーザ加工方法。 - 前記パルスレーザ光の半値全幅が0.6ns以上であることを特徴とする請求項1に記載のレーザ加工方法。
- 前記絶縁層表面において、照射されたパルスレーザ光の照射スポットに対する次回照射されるパルスレーザ光の照射スポットのオーバーラップ率が40%〜90%となるように、前記絶縁層表面に対して前記パルスレーザ光を掃引させながら照射することを特徴とする請求項1に記載のレーザ加工方法。
- 前記パルスレーザ光の半値全幅は、前記絶縁層の加工残渣が前記導体層表面に膜状または島状に残らない程度に設定されることを特徴とする請求項1に記載のレーザ加工方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013266688A JP5804040B2 (ja) | 2008-10-23 | 2013-12-25 | レーザ加工方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008273341 | 2008-10-23 | ||
JP2008273341 | 2008-10-23 | ||
JP2013266688A JP5804040B2 (ja) | 2008-10-23 | 2013-12-25 | レーザ加工方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009243683A Division JP5454080B2 (ja) | 2008-10-23 | 2009-10-22 | レーザ加工方法およびレーザ加工装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014121734A JP2014121734A (ja) | 2014-07-03 |
JP5804040B2 true JP5804040B2 (ja) | 2015-11-04 |
Family
ID=42119421
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009243683A Expired - Fee Related JP5454080B2 (ja) | 2008-10-23 | 2009-10-22 | レーザ加工方法およびレーザ加工装置 |
JP2013266688A Expired - Fee Related JP5804040B2 (ja) | 2008-10-23 | 2013-12-25 | レーザ加工方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009243683A Expired - Fee Related JP5454080B2 (ja) | 2008-10-23 | 2009-10-22 | レーザ加工方法およびレーザ加工装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8628715B2 (ja) |
EP (1) | EP2366487B1 (ja) |
JP (2) | JP5454080B2 (ja) |
KR (1) | KR101601344B1 (ja) |
CN (1) | CN102196880B (ja) |
WO (1) | WO2010047384A1 (ja) |
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KR20130037209A (ko) * | 2010-06-04 | 2013-04-15 | 이비덴 가부시키가이샤 | 배선판의 제조 방법 |
CN103108722B (zh) * | 2010-09-15 | 2015-12-02 | 住友电气工业株式会社 | 激光加工方法 |
CN102240846B (zh) * | 2011-06-17 | 2015-01-14 | 山西飞虹激光科技有限公司 | 全光纤结构线偏振脉冲光纤激光加工装置 |
JP5920661B2 (ja) * | 2012-06-05 | 2016-05-18 | 三菱マテリアル株式会社 | レーザ加工装置およびレーザ加工方法 |
JP5920662B2 (ja) * | 2012-06-05 | 2016-05-18 | 三菱マテリアル株式会社 | レーザ加工装置およびレーザ加工方法 |
WO2014100469A1 (en) * | 2012-12-20 | 2014-06-26 | Electro Scientific Industries, Inc. | Methods of forming images by laser micromachining |
US9950392B2 (en) * | 2014-03-04 | 2018-04-24 | Rohr, Inc. | Forming one or more apertures in a fiber-reinforced composite object with a laser |
US20180020551A1 (en) * | 2014-11-28 | 2018-01-18 | Zeon Corporation | Desmear processing method and manufacturing method for multilayer printed wiring board |
CN104810721B (zh) * | 2015-03-02 | 2017-11-03 | 吕志伟 | 基于受激布里渊散射脉宽压缩的高能量数百皮秒激光装置 |
JP6762024B2 (ja) * | 2016-07-28 | 2020-09-30 | 三星ダイヤモンド工業株式会社 | レーザ加工装置及びレーザ加工方法 |
JP6508153B2 (ja) * | 2016-09-21 | 2019-05-08 | 日亜化学工業株式会社 | 発光素子の製造方法 |
CN106271089B (zh) * | 2016-09-30 | 2019-01-25 | 英诺激光科技股份有限公司 | 一种激光薄膜刻蚀装置及方法 |
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CN108448372B (zh) * | 2018-05-22 | 2024-04-02 | 中国人民解放军国防科技大学 | 集成化光纤器件及其光纤放大器 |
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-
2009
- 2009-10-22 JP JP2009243683A patent/JP5454080B2/ja not_active Expired - Fee Related
- 2009-10-23 EP EP09822081.7A patent/EP2366487B1/en not_active Not-in-force
- 2009-10-23 KR KR1020117011686A patent/KR101601344B1/ko active IP Right Grant
- 2009-10-23 WO PCT/JP2009/068240 patent/WO2010047384A1/ja active Application Filing
- 2009-10-23 US US13/059,592 patent/US8628715B2/en not_active Expired - Fee Related
- 2009-10-23 CN CN200980142278.XA patent/CN102196880B/zh not_active Expired - Fee Related
-
2013
- 2013-12-25 JP JP2013266688A patent/JP5804040B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8628715B2 (en) | 2014-01-14 |
KR101601344B1 (ko) | 2016-03-08 |
EP2366487A4 (en) | 2014-09-24 |
JP2014121734A (ja) | 2014-07-03 |
JP2010120084A (ja) | 2010-06-03 |
JP5454080B2 (ja) | 2014-03-26 |
CN102196880B (zh) | 2014-06-18 |
EP2366487A1 (en) | 2011-09-21 |
CN102196880A (zh) | 2011-09-21 |
US20110148002A1 (en) | 2011-06-23 |
WO2010047384A1 (ja) | 2010-04-29 |
EP2366487B1 (en) | 2015-05-20 |
KR20110086118A (ko) | 2011-07-27 |
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