JP6837709B2 - デバイスウェーハのレーザ加工方法 - Google Patents
デバイスウェーハのレーザ加工方法 Download PDFInfo
- Publication number
- JP6837709B2 JP6837709B2 JP2016203064A JP2016203064A JP6837709B2 JP 6837709 B2 JP6837709 B2 JP 6837709B2 JP 2016203064 A JP2016203064 A JP 2016203064A JP 2016203064 A JP2016203064 A JP 2016203064A JP 6837709 B2 JP6837709 B2 JP 6837709B2
- Authority
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- Prior art keywords
- protective film
- device wafer
- wafer
- film agent
- machining
- 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.)
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- 238000003754 machining Methods 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 10
- 235000012431 wafers Nutrition 0.000 title description 72
- 230000001681 protective effect Effects 0.000 claims description 69
- 239000003795 chemical substances by application Substances 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000007864 aqueous solution Substances 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 description 9
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 6
- 238000003672 processing method Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 238000002679 ablation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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
- H01L21/70—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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76886—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances
- H01L21/76892—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances modifying the pattern
- H01L21/76894—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances modifying the pattern using a laser, e.g. laser cutting, laser direct writing, laser repair
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
-
- 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
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
-
- 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
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- 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
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/359—Working by laser beam, e.g. welding, cutting or boring for surface treatment by providing a line or line pattern, e.g. a dotted break initiation line
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Dicing (AREA)
- Laser Beam Processing (AREA)
Description
12 ノズル
13 加工予定ライン
14 粉末状保護膜剤
15 デバイス
16 水
18 保護膜剤水溶液
20 保護膜
24 集光器
30 切削ブレード
Claims (1)
- 交差する複数の加工予定ラインと該加工予定ラインで区画された各領域にそれぞれデバイスが形成された表面を有するデバイスウェーハにレーザビームを照射して加工するデバイスウェーハのレーザ加工方法であって、
デバイスウェーハの表面に水と粉末状の保護膜剤とを供給し、粉末状の保護膜剤が溶解した保護膜剤水溶液で該表面を覆う被覆ステップと、
該被覆ステップを実施した後、該保護膜剤水溶液の水分を蒸発させて該表面に保護膜を形成する保護膜形成ステップと、
該保護膜形成ステップを実施した後、該加工予定ラインに沿ってデバイスウェーハに対して吸収性を有する波長のレーザビームを照射して、該加工予定ラインに沿ったレーザ加工溝を形成するレーザ加工ステップと、
を備えたことを特徴とするデバイスウェーハのレーザ加工方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016203064A JP6837709B2 (ja) | 2016-10-14 | 2016-10-14 | デバイスウェーハのレーザ加工方法 |
US15/730,940 US10818546B2 (en) | 2016-10-14 | 2017-10-12 | Method of laser-processing device wafer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016203064A JP6837709B2 (ja) | 2016-10-14 | 2016-10-14 | デバイスウェーハのレーザ加工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018064072A JP2018064072A (ja) | 2018-04-19 |
JP6837709B2 true JP6837709B2 (ja) | 2021-03-03 |
Family
ID=61904083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016203064A Active JP6837709B2 (ja) | 2016-10-14 | 2016-10-14 | デバイスウェーハのレーザ加工方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10818546B2 (ja) |
JP (1) | JP6837709B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6887722B2 (ja) * | 2016-10-25 | 2021-06-16 | 株式会社ディスコ | ウェーハの加工方法及び切削装置 |
US11682600B2 (en) * | 2019-08-07 | 2023-06-20 | At&S Austria Technologie & Systemtechnik Aktiengesellschaft | Protection layer for panel handling systems |
JP7430515B2 (ja) * | 2019-11-06 | 2024-02-13 | 株式会社ディスコ | ウエーハの処理方法 |
JP7450426B2 (ja) | 2020-03-24 | 2024-03-15 | 株式会社ディスコ | 被加工物の加工方法 |
JP2022043853A (ja) * | 2020-09-04 | 2022-03-16 | 株式会社ディスコ | ウエーハの加工方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54106829A (en) * | 1978-02-09 | 1979-08-22 | Furukawa Battery Co Ltd | Method of producing cadmium cathode for alkaline cell |
JPH05279090A (ja) * | 1992-04-01 | 1993-10-26 | Asahi Glass Co Ltd | 車両用ホログラム封入合せガラスの製造方法 |
JPH11279283A (ja) * | 1998-03-31 | 1999-10-12 | Dainippon Ink & Chem Inc | 樹脂粉末の製造方法および樹脂粉末 |
JP2004188475A (ja) * | 2002-12-13 | 2004-07-08 | Disco Abrasive Syst Ltd | レーザー加工方法 |
JP4471632B2 (ja) * | 2003-11-18 | 2010-06-02 | 株式会社ディスコ | ウエーハの加工方法 |
JP4571850B2 (ja) | 2004-11-12 | 2010-10-27 | 東京応化工業株式会社 | レーザーダイシング用保護膜剤及び該保護膜剤を用いたウエーハの加工方法 |
JP2006269897A (ja) * | 2005-03-25 | 2006-10-05 | Disco Abrasive Syst Ltd | ウエーハのレーザー加工方法 |
JP2008126302A (ja) | 2006-11-24 | 2008-06-05 | Disco Abrasive Syst Ltd | レーザー加工装置及び保護膜被覆装置 |
JP2009231632A (ja) * | 2008-03-24 | 2009-10-08 | Fujitsu Microelectronics Ltd | 半導体装置の製造方法 |
JP5385060B2 (ja) * | 2009-09-07 | 2014-01-08 | 株式会社ディスコ | 保護膜被覆方法および保護膜被覆装置 |
JP5600035B2 (ja) * | 2010-06-30 | 2014-10-01 | 株式会社ディスコ | ウエーハの分割方法 |
FR2975090B1 (fr) * | 2011-05-11 | 2017-12-15 | Commissariat Energie Atomique | Nanoparticules autodispersantes |
JP5888927B2 (ja) * | 2011-10-06 | 2016-03-22 | 株式会社ディスコ | ダイアタッチフィルムのアブレーション加工方法 |
JP5839390B2 (ja) * | 2011-10-06 | 2016-01-06 | 株式会社ディスコ | アブレーション加工方法 |
JP6166034B2 (ja) * | 2012-11-22 | 2017-07-19 | 株式会社ディスコ | ウエーハの加工方法 |
JP6162018B2 (ja) * | 2013-10-15 | 2017-07-12 | 株式会社ディスコ | ウエーハの加工方法 |
JP2016115800A (ja) * | 2014-12-15 | 2016-06-23 | 株式会社ディスコ | ウエーハの加工方法 |
JP2017005158A (ja) * | 2015-06-12 | 2017-01-05 | 株式会社ディスコ | ウエーハの裏面研削方法 |
JP2017092379A (ja) * | 2015-11-16 | 2017-05-25 | 株式会社ディスコ | 保護膜被覆方法 |
JP6821245B2 (ja) * | 2016-10-11 | 2021-01-27 | 株式会社ディスコ | ウェーハの加工方法 |
-
2016
- 2016-10-14 JP JP2016203064A patent/JP6837709B2/ja active Active
-
2017
- 2017-10-12 US US15/730,940 patent/US10818546B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018064072A (ja) | 2018-04-19 |
US10818546B2 (en) | 2020-10-27 |
US20180108565A1 (en) | 2018-04-19 |
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