JP4818904B2 - 活性支援ガスを用いたレーザ加工 - Google Patents
活性支援ガスを用いたレーザ加工 Download PDFInfo
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- JP4818904B2 JP4818904B2 JP2006504523A JP2006504523A JP4818904B2 JP 4818904 B2 JP4818904 B2 JP 4818904B2 JP 2006504523 A JP2006504523 A JP 2006504523A JP 2006504523 A JP2006504523 A JP 2006504523A JP 4818904 B2 JP4818904 B2 JP 4818904B2
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- 230000000694 effects Effects 0.000 title claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 63
- 239000010703 silicon Substances 0.000 claims abstract description 63
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 15
- 150000002367 halogens Chemical class 0.000 claims abstract description 14
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 13
- 238000002679 ablation Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 38
- 238000004140 cleaning Methods 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 21
- 229910052731 fluorine Inorganic materials 0.000 claims description 17
- 239000011737 fluorine Substances 0.000 claims description 17
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 14
- 229910018503 SF6 Inorganic materials 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 150000003377 silicon compounds Chemical class 0.000 claims 2
- 238000010494 dissociation reaction Methods 0.000 claims 1
- 230000005593 dissociations Effects 0.000 claims 1
- 150000002366 halogen compounds Chemical class 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 5
- 235000012431 wafers Nutrition 0.000 description 35
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 11
- 238000005530 etching Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006303 photolysis reaction Methods 0.000 description 4
- 238000000608 laser ablation Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- -1 H 2 and NF 3 Chemical compound 0.000 description 1
- 229910003691 SiBr Inorganic materials 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- JHGCXUUFRJCMON-UHFFFAOYSA-J silicon(4+);tetraiodide Chemical compound [Si+4].[I-].[I-].[I-].[I-] JHGCXUUFRJCMON-UHFFFAOYSA-J 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
- H01L21/3043—Making grooves, e.g. cutting
-
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
-
- 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
- B23K26/0665—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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/127—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an enclosure
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- 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
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
- Drying Of Semiconductors (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Dicing (AREA)
Description
2SF6+3Si→2S+3SiF4(レーザ光線の存在下) 反応2
2 レーザ(レーザ光源手段)
3 ビーム給送システム(ビーム給送手段)
4 レーザビーム
5 ウェーハ(シリコン被加工物)
6 XY運動段(ビーム給送手段)
7 ガス給送システム(支援ガス給送手段)
8 抽出システム(ガス抽出手段)
9 レーザ窓
11,12,21,22,23,31,32,33 プロット
Claims (15)
- シリコン被加工物のレーザダイシング方法であって、
a.レーザビームを供給するステップと、
b. ハロゲン化合物環境を提供し、前記レーザビームを用いて前記ハロゲン化合物の少なくとも一部を解離して活性支援ガスとしてハロゲンラジカルを形成することで、前記シリコン被化合物向けにハロゲン環境を提供してレーザ加工用の活性支援ガスを形成するステップと、
c. 前記シリコン被加工物を前記支援ガスの存在下にてレーザ加工し、該支援ガスをレーザビームの焦点又はその近傍にて前記シリコン被加工物と反応させ、前記レーザ加工の速度を増大させ、加工品質の改善に起因して前記加工された被加工物の強度を増大させるべく、シリコンの切除閾値を上回る出力密度で前記レーザビームを前記シリコン被加工物上に集束させるステップと、含み、
前記ハロゲン環境の提供ステップは、六フッ化硫黄(SF6)環境を提供するステップと、前記レーザビームを用いて前記六フッ化硫黄の少なくとも一部を解離し、前記活性支援ガスとしてフッ素ラジカルを形成するステップとを含み、
前記レーザビームは、0.55ミクロン未満の波長をもったレーザビームであること
を特徴とする方法。 - 前記支援ガスの使用が生成ダイの強度を増すようシリコンウェーハを賽の目に切断する、請求項1記載の方法。
- 前記ハロゲン環境の提供ステップは、六フッ化硫黄(SF6)環境を提供するステップと、前記レーザビームを用いて前記六フッ化硫黄の少なくとも一部を解離し、前記活性支援ガスとしてフッ素ラジカルを形成するステップとを含む、請求項1又は2記載の方法。
- 前記被加工物のレーザ加工ステップは、ウェーハ賽の目切断とビア孔穿設と表面パターン形成のうちの少なくとも一つを含む、請求項1乃至3のいずれか1項に記載の方法。
- 前記被加工物の環境からガス含有屑と廃ガスのうちの少なくとも一方を抽出するガス抽出手段を配設する追加のステップを含む、請求項1乃至4のいずれか1項に記載の方法。
- 前記被加工物のレーザ加工ステップの後で、前記レーザ加工により生じた前記被加工物の残渣を清掃するさらなるステップを含む、請求項1乃至5のいずれか1項に記載の方法。
- 前記被加工物の清掃ステップは、該被加工物の乾式拭き取りステップを含む、請求項6記載の方法。
- 前記被加工物の清掃ステップは、水旋回−濯ぎ−乾燥工程を含む、請求項6又は7記載の方法。
- 前記被加工物の清掃ステップは、前記被加工物のレーザ清掃ステップを含む、請求項6乃至8のいずれか1項に記載の方法。
- 前記被加工物のレーザ清掃ステップは、焦点ぼけ又は低エネルギレーザビームを用いた前記被加工物の走査を含む、請求項9記載の方法。
- 前記被加工物のレーザ清掃ステップは、空気環境中での前記被加工物のレーザ清掃を含む、請求項9又は10記載の方法。
- 前記被加工物のレーザ清掃ステップは、活性支援ガス環境中での前記被加工物の清掃を含む、請求項9又は10記載の方法。
- 前記活性支援ガスは、フッ素か又はフッ素を母体とするものである、請求項12記載の方法。
- 前記フッ素ラジカルは、前記シリコン被加工物における六フッ化硫黄のレーザ光解離により生成する、請求項1乃至13のいずれか1項に記載の方法。
- 被加工物がその第1の主面上に能動デバイスを有するシリコン基板である場合、前記被加工物向けにハロゲン環境を提供するステップは、テープフレーム手段上に前記第1の主面を有する前記基板を装着するステップを含み、前記被加工物の加工ステップは、前記第1の主面とは反対側の第2の主面からの前記基板の加工を含む、請求項1乃至14のいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0304900.4 | 2003-03-04 | ||
GB0304900A GB2399311B (en) | 2003-03-04 | 2003-03-04 | Laser machining using an active assist gas |
PCT/EP2004/002149 WO2004079810A1 (en) | 2003-03-04 | 2004-03-03 | Laser machining using an active assist gas |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006520534A JP2006520534A (ja) | 2006-09-07 |
JP4818904B2 true JP4818904B2 (ja) | 2011-11-16 |
Family
ID=9954070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006504523A Expired - Fee Related JP4818904B2 (ja) | 2003-03-04 | 2004-03-03 | 活性支援ガスを用いたレーザ加工 |
Country Status (11)
Country | Link |
---|---|
US (1) | US20060249480A1 (ja) |
EP (1) | EP1620883B1 (ja) |
JP (1) | JP4818904B2 (ja) |
KR (1) | KR101058465B1 (ja) |
CN (1) | CN100362631C (ja) |
AT (1) | ATE410785T1 (ja) |
DE (1) | DE602004016984D1 (ja) |
GB (1) | GB2399311B (ja) |
MY (1) | MY135807A (ja) |
TW (1) | TWI270134B (ja) |
WO (1) | WO2004079810A1 (ja) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
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ATE316691T1 (de) | 2002-04-19 | 2006-02-15 | Xsil Technology Ltd | Laser-behandlung |
GB2404280B (en) * | 2003-07-03 | 2006-09-27 | Xsil Technology Ltd | Die bonding |
GB2420443B (en) * | 2004-11-01 | 2009-09-16 | Xsil Technology Ltd | Increasing die strength by etching during or after dicing |
US9034731B2 (en) * | 2005-02-03 | 2015-05-19 | Stats Chippac Ltd. | Integrated, integrated circuit singulation system |
JP4777700B2 (ja) * | 2005-06-17 | 2011-09-21 | 株式会社ディスコ | レーザ加工方法 |
JP2007152308A (ja) * | 2005-12-08 | 2007-06-21 | Digital Network:Kk | 洗浄方法および洗浄装置 |
JP2008147242A (ja) * | 2006-12-06 | 2008-06-26 | Hitachi Via Mechanics Ltd | プリント基板のレーザ加工方法 |
WO2008141118A1 (en) * | 2007-05-10 | 2008-11-20 | Linde, Inc. | Laser activated fluorine treatment of silicon substrates |
US9694447B1 (en) * | 2007-09-14 | 2017-07-04 | Steven K. Hughes | Analytical laser ablation of solid samples for ICP, ICP-MS and FAG-MS analysis |
JP2009082975A (ja) * | 2007-10-02 | 2009-04-23 | Sumitomo Electric Ind Ltd | レーザ加工方法 |
CN102077318B (zh) | 2008-06-26 | 2013-03-27 | 株式会社Ihi | 激光退火方法及装置 |
JP5540476B2 (ja) | 2008-06-30 | 2014-07-02 | 株式会社Ihi | レーザアニール装置 |
KR101010601B1 (ko) * | 2008-07-31 | 2011-01-24 | 주식회사 이오테크닉스 | 보조 가스를 이용한 레이저 가공 방법 |
US20100129984A1 (en) * | 2008-11-26 | 2010-05-27 | George Vakanas | Wafer singulation in high volume manufacturing |
US8609512B2 (en) * | 2009-03-27 | 2013-12-17 | Electro Scientific Industries, Inc. | Method for laser singulation of chip scale packages on glass substrates |
US8187983B2 (en) | 2009-04-16 | 2012-05-29 | Micron Technology, Inc. | Methods for fabricating semiconductor components using thinning and back side laser processing |
EP2253413A1 (en) | 2009-05-15 | 2010-11-24 | National University of Ireland Galway | Method for laser ablation |
US8524139B2 (en) * | 2009-08-10 | 2013-09-03 | FEI Compay | Gas-assisted laser ablation |
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- 2004-03-03 KR KR1020057016155A patent/KR101058465B1/ko not_active IP Right Cessation
- 2004-03-03 EP EP04716586A patent/EP1620883B1/en not_active Expired - Lifetime
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- 2004-03-03 JP JP2006504523A patent/JP4818904B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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GB2399311A (en) | 2004-09-15 |
GB2399311B (en) | 2005-06-15 |
US20060249480A1 (en) | 2006-11-09 |
JP2006520534A (ja) | 2006-09-07 |
CN1757100A (zh) | 2006-04-05 |
CN100362631C (zh) | 2008-01-16 |
GB0304900D0 (en) | 2003-04-09 |
ATE410785T1 (de) | 2008-10-15 |
EP1620883B1 (en) | 2008-10-08 |
DE602004016984D1 (de) | 2008-11-20 |
TWI270134B (en) | 2007-01-01 |
WO2004079810A1 (en) | 2004-09-16 |
KR101058465B1 (ko) | 2011-08-24 |
MY135807A (en) | 2008-07-31 |
EP1620883A1 (en) | 2006-02-01 |
KR20050106472A (ko) | 2005-11-09 |
TW200507094A (en) | 2005-02-16 |
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