KR100707860B1 - 레이저 빔을 이용한 비아홀 형성방법 - Google Patents
레이저 빔을 이용한 비아홀 형성방법 Download PDFInfo
- Publication number
- KR100707860B1 KR100707860B1 KR1020050126891A KR20050126891A KR100707860B1 KR 100707860 B1 KR100707860 B1 KR 100707860B1 KR 1020050126891 A KR1020050126891 A KR 1020050126891A KR 20050126891 A KR20050126891 A KR 20050126891A KR 100707860 B1 KR100707860 B1 KR 100707860B1
- Authority
- KR
- South Korea
- Prior art keywords
- laser beam
- dielectric layer
- energy density
- via hole
- metal layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
-
- 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
- H05K3/0038—Etching of the substrate by chemical or physical means by laser ablation of organic insulating material combined with laser drilling through a metal layer
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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
- B23K26/36—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Laser Beam Processing (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (4)
- 레이저 빔으로 제1금속층과 상기 제1금속층 하부의 유전층과 상기 유전층 하부의 제2금속층으로 이루어진 다층 기판에 비아홀을 형성하는 방법에 있어서,상기 제1금속층의 제거 에너지 임계값 이상을 발현하는 반복주파수로 상기 제1금속층을 제거하는 제1단계; 및상기 반복주파수로 상기 유전층을 제거하는 제2단계;를 구비하며,상기 유전층의 제거 에너지 임계값은 상기 제1금속층의 제거 에너지 임계값 보나 낮으며, 제2단계에서의 레이저 빔은 레이저 빔 에너지 밀도 감소수단을 사용하여 제1단계에서의 레이저 빔의 에너지 밀도 보다 낮게 조절된 것을 특징으로 하는 레이저 빔을 이용한 비아홀 형성방법.
- 제 1 항에 있어서,상기 레이저 빔 에너지 밀도 감소수단은, 상기 레이저 빔의 광량을 소정 비율로 감소시키는 ND 필터이며, 상기 제2단계는 상기 ND 필터를 통과한 레이저 빔을 사용하는 것을 특징으로 하는 레이저 빔을 이용한 비아홀 형성방법.
- 제 1 항에 있어서,상기 레이저 빔 에너지 밀도 감소수단은, 갈바노 스캐너를 구비한 레이저 장치에서 상기 갈바노 스캐너의 회전속도를 증가시켜서 상기 유전층의 단위면적당 레 이저 빔의 에너지 밀도를 감소시키는 것을 특징으로 하는 레이저 빔을 이용한 비아홀 형성방법.
- 제 1 항에 있어서,상기 레이저 빔 에너지 밀도 감소수단은, 상기 레이저 빔이 상기 유전층에 디포커싱되어서 상기 유전층의 단위면적당 레이저 빔의 에너지를 감소시키는 것을 특징으로 하는 레이저 빔을 이용한 비아홀 형성방법.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050126891A KR100707860B1 (ko) | 2005-12-21 | 2005-12-21 | 레이저 빔을 이용한 비아홀 형성방법 |
CA002571980A CA2571980A1 (en) | 2005-12-21 | 2006-12-21 | Method of forming via hole using laser beam |
US11/642,845 US20070138154A1 (en) | 2005-12-21 | 2006-12-21 | Method of forming via hole using laser beam |
CNA2006100643514A CN101011780A (zh) | 2005-12-21 | 2006-12-21 | 使用激光束形成通孔的方法 |
SG200608982-5A SG133566A1 (en) | 2005-12-21 | 2006-12-21 | Method of forming via hole using laser beam |
TW095148177A TW200731329A (en) | 2005-12-21 | 2006-12-21 | Method of forming via hole using laser beam |
JP2006344580A JP2007167957A (ja) | 2005-12-21 | 2006-12-21 | レーザビームを利用したビアホールの形成方法 |
EP06256508A EP1800791A1 (en) | 2005-12-21 | 2006-12-21 | Method of forming via hole using laser beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050126891A KR100707860B1 (ko) | 2005-12-21 | 2005-12-21 | 레이저 빔을 이용한 비아홀 형성방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100707860B1 true KR100707860B1 (ko) | 2007-04-17 |
Family
ID=37771042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050126891A KR100707860B1 (ko) | 2005-12-21 | 2005-12-21 | 레이저 빔을 이용한 비아홀 형성방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070138154A1 (ko) |
EP (1) | EP1800791A1 (ko) |
JP (1) | JP2007167957A (ko) |
KR (1) | KR100707860B1 (ko) |
CN (1) | CN101011780A (ko) |
CA (1) | CA2571980A1 (ko) |
SG (1) | SG133566A1 (ko) |
TW (1) | TW200731329A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101425337B1 (ko) | 2013-02-14 | 2014-08-04 | 미쓰비시덴키 가부시키가이샤 | 레이저 가공 장치, 가공 제어 장치 및 펄스 주파수 제어 방법 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0802944D0 (en) * | 2008-02-19 | 2008-03-26 | Rumsby Philip T | Apparatus for laser processing the opposite sides of thin panels |
JP5383342B2 (ja) * | 2008-08-01 | 2014-01-08 | キヤノン株式会社 | 加工方法 |
CN102109679B (zh) * | 2009-12-24 | 2013-10-23 | 深圳市大族激光科技股份有限公司 | 一种扩束装置及激光演示系统 |
CN102109678B (zh) * | 2009-12-24 | 2013-05-15 | 深圳市大族激光科技股份有限公司 | 一种激光扩束装置及演示系统 |
RU2492036C1 (ru) * | 2011-12-22 | 2013-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Владимирский государственный университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) | Способ пробивки микроотверстий лазерным импульсным излучением |
JP5908009B2 (ja) * | 2013-08-20 | 2016-04-26 | 三菱重工業株式会社 | レーザ加工方法及びレーザ加工装置 |
CN104923926B (zh) * | 2014-03-19 | 2016-10-26 | 温州大学 | 一种发泡辅助的金属片激光精密打孔装置 |
CN104703397B (zh) * | 2015-03-27 | 2018-03-09 | 大族激光科技产业集团股份有限公司 | 一种柔性线路板盲孔加工的方法 |
US10757340B2 (en) | 2018-03-09 | 2020-08-25 | Pony Ai Inc. | Adaptive filter system for self-driving vehicle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040005981A (ko) * | 2001-05-23 | 2004-01-16 | 지멘스 악티엔게젤샤프트 | 레이저 빔을 이용하여 마이크로홀을 드릴링하는 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3223898C2 (de) * | 1982-06-26 | 1984-04-19 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Einstellbares optisches Dämpfungsglied |
US5721749A (en) * | 1996-01-30 | 1998-02-24 | Trw Inc. | Laser pulse profile control by modulating relaxation oscillations |
JP2000111314A (ja) * | 1998-10-06 | 2000-04-18 | Mitsubishi Heavy Ind Ltd | レーザ式位置標定装置用受光量安定化装置 |
KR100379246B1 (ko) * | 2000-07-12 | 2003-04-08 | 한국과학기술연구원 | 두께에 따라 빔의 세기 분포 조절이 용이한 연속 중성밀도필터 |
JP3903761B2 (ja) * | 2001-10-10 | 2007-04-11 | 株式会社日立製作所 | レ−ザアニ−ル方法およびレ−ザアニ−ル装置 |
JP4465429B2 (ja) * | 2002-02-21 | 2010-05-19 | 株式会社リコー | レーザ加工方法 |
JP4141938B2 (ja) * | 2003-11-10 | 2008-08-27 | セイコーエプソン株式会社 | プロジェクタ |
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2005
- 2005-12-21 KR KR1020050126891A patent/KR100707860B1/ko active IP Right Grant
-
2006
- 2006-12-21 US US11/642,845 patent/US20070138154A1/en not_active Abandoned
- 2006-12-21 CN CNA2006100643514A patent/CN101011780A/zh active Pending
- 2006-12-21 EP EP06256508A patent/EP1800791A1/en not_active Withdrawn
- 2006-12-21 CA CA002571980A patent/CA2571980A1/en not_active Abandoned
- 2006-12-21 SG SG200608982-5A patent/SG133566A1/en unknown
- 2006-12-21 JP JP2006344580A patent/JP2007167957A/ja active Pending
- 2006-12-21 TW TW095148177A patent/TW200731329A/zh unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040005981A (ko) * | 2001-05-23 | 2004-01-16 | 지멘스 악티엔게젤샤프트 | 레이저 빔을 이용하여 마이크로홀을 드릴링하는 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101425337B1 (ko) | 2013-02-14 | 2014-08-04 | 미쓰비시덴키 가부시키가이샤 | 레이저 가공 장치, 가공 제어 장치 및 펄스 주파수 제어 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN101011780A (zh) | 2007-08-08 |
TW200731329A (en) | 2007-08-16 |
US20070138154A1 (en) | 2007-06-21 |
CA2571980A1 (en) | 2007-06-21 |
SG133566A1 (en) | 2007-07-30 |
JP2007167957A (ja) | 2007-07-05 |
EP1800791A1 (en) | 2007-06-27 |
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