JP2019054184A - ウェーハの加工方法 - Google Patents
ウェーハの加工方法 Download PDFInfo
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- JP2019054184A JP2019054184A JP2017178720A JP2017178720A JP2019054184A JP 2019054184 A JP2019054184 A JP 2019054184A JP 2017178720 A JP2017178720 A JP 2017178720A JP 2017178720 A JP2017178720 A JP 2017178720A JP 2019054184 A JP2019054184 A JP 2019054184A
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- 238000003672 processing method Methods 0.000 title claims abstract description 7
- 239000003566 sealing material Substances 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000003384 imaging method Methods 0.000 claims abstract description 10
- 238000002679 ablation Methods 0.000 claims abstract description 4
- 230000001678 irradiating effect Effects 0.000 claims abstract description 3
- 238000003331 infrared imaging Methods 0.000 claims description 12
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 235000012431 wafers Nutrition 0.000 description 70
- 239000002184 metal Substances 0.000 description 12
- 238000002507 cathodic stripping potentiometry Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
- B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
-
- 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
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
- B23K26/0853—Devices involving movement of the workpiece in at least in two axial directions, e.g. in a plane
-
- 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
- B23K26/50—Working by transmitting the laser beam through or within the workpiece
- B23K26/53—Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
-
- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
- H01L21/561—Batch processing
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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
- H01L21/67—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
- H01L21/68—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 for positioning, orientation or alignment
- H01L21/681—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 for positioning, orientation or alignment using optical controlling means
-
- 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
- H01L21/683—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 for supporting or gripping
- H01L21/6835—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 for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
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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
- H01L21/70—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3114—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed the device being a chip scale package, e.g. CSP
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/544—Marks applied to semiconductor devices or parts, e.g. registration marks, alignment structures, wafer maps
-
- 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
-
- 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
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/56—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26 semiconducting
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/54426—Marks applied to semiconductor devices or parts for alignment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/54453—Marks applied to semiconductor devices or parts for use prior to dicing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/11—Manufacturing methods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
- H01L2224/13001—Core members of the bump connector
- H01L2224/13075—Plural core members
- H01L2224/1308—Plural core members being stacked
- H01L2224/13082—Two-layer arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Laser Beam Processing (AREA)
- Dicing (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
13 分割予定ライン
14 撮像ユニット
15 デバイス
16 レーザーヘッド(集光器)
21 金属ポスト
23 封止材
25 バンプ
27 WL-CSPウェーハ
31 デバイスチップ(CSP)
Claims (2)
- 表面に交差して形成された複数の分割予定ラインによって区画されたチップ領域にそれぞれデバイスが形成されたデバイスウェーハの表面が封止材で封止され、該封止材の該チップ領域にそれぞれ複数のバンプが形成されたウェーハの加工方法であって、
該ウェーハの表面側から赤外線撮像手段によって該封止材を透過して該デバイスウェーハの表面側を撮像してアライメントマークを検出し、該アライメントマークに基づいてレーザー加工すべき該分割予定ラインを検出するアライメント工程と、
該アライメント工程を実施した後、該ウェーハの表面側から該分割予定ラインに沿って該封止材及び該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ービームを照射して、アブレーション加工により表面が該封止材によって封止された個々のデバイスチップに分割する分割工程と、を備え、
該封止材は、該赤外線撮像手段が受光する赤外線が透過するような透過性を有することを特徴とするウェーハの加工方法。 - 前記アライメント工程で用いる前記赤外線撮像手段はInGaAs撮像素子を含む請求項1記載のウェーハの加工方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017178720A JP7098223B2 (ja) | 2017-09-19 | 2017-09-19 | ウェーハの加工方法 |
KR1020180104747A KR102569620B1 (ko) | 2017-09-19 | 2018-09-03 | 웨이퍼의 가공 방법 |
SG10201807856RA SG10201807856RA (en) | 2017-09-19 | 2018-09-12 | Processing method for waper |
CN201811068622.2A CN109524353A (zh) | 2017-09-19 | 2018-09-13 | 晶片的加工方法 |
TW107132230A TWI798260B (zh) | 2017-09-19 | 2018-09-13 | 晶圓加工方法 |
DE102018215822.3A DE102018215822A1 (de) | 2017-09-19 | 2018-09-18 | Bearbeitungsverfahren für einen wafer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017178720A JP7098223B2 (ja) | 2017-09-19 | 2017-09-19 | ウェーハの加工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019054184A true JP2019054184A (ja) | 2019-04-04 |
JP7098223B2 JP7098223B2 (ja) | 2022-07-11 |
Family
ID=65526704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017178720A Active JP7098223B2 (ja) | 2017-09-19 | 2017-09-19 | ウェーハの加工方法 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP7098223B2 (ja) |
KR (1) | KR102569620B1 (ja) |
CN (1) | CN109524353A (ja) |
DE (1) | DE102018215822A1 (ja) |
SG (1) | SG10201807856RA (ja) |
TW (1) | TWI798260B (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005206621A (ja) * | 2004-01-20 | 2005-08-04 | Tokai Carbon Co Ltd | 半導体封止材用カーボンブラック着色剤およびその製造方法 |
JP2013222887A (ja) * | 2012-04-18 | 2013-10-28 | E&E Japan株式会社 | 発光ダイオード |
JP2015023078A (ja) * | 2013-07-17 | 2015-02-02 | 株式会社ディスコ | ウエーハの加工方法 |
JP2015028980A (ja) * | 2013-07-30 | 2015-02-12 | 株式会社ディスコ | ウエーハの加工方法 |
JP2017108089A (ja) * | 2015-12-04 | 2017-06-15 | 株式会社東京精密 | レーザ加工装置及びレーザ加工方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPR244801A0 (en) * | 2001-01-10 | 2001-02-01 | Silverbrook Research Pty Ltd | A method and apparatus (WSM01) |
JP2003165893A (ja) * | 2001-11-30 | 2003-06-10 | Shin Etsu Chem Co Ltd | 半導体封止用エポキシ樹脂組成物及び半導体装置 |
JP2003321594A (ja) * | 2002-04-26 | 2003-11-14 | Hitachi Chem Co Ltd | 封止用エポキシ樹脂成形材料及び電子部品装置 |
JP5948034B2 (ja) | 2011-09-27 | 2016-07-06 | 株式会社ディスコ | アライメント方法 |
JP2016015438A (ja) | 2014-07-03 | 2016-01-28 | 株式会社ディスコ | アライメント方法 |
JP2016111236A (ja) * | 2014-12-08 | 2016-06-20 | 株式会社ディスコ | ウエーハの加工方法 |
JP2016225371A (ja) * | 2015-05-27 | 2016-12-28 | 株式会社ディスコ | ウェーハの分割方法 |
-
2017
- 2017-09-19 JP JP2017178720A patent/JP7098223B2/ja active Active
-
2018
- 2018-09-03 KR KR1020180104747A patent/KR102569620B1/ko active IP Right Grant
- 2018-09-12 SG SG10201807856RA patent/SG10201807856RA/en unknown
- 2018-09-13 CN CN201811068622.2A patent/CN109524353A/zh active Pending
- 2018-09-13 TW TW107132230A patent/TWI798260B/zh active
- 2018-09-18 DE DE102018215822.3A patent/DE102018215822A1/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005206621A (ja) * | 2004-01-20 | 2005-08-04 | Tokai Carbon Co Ltd | 半導体封止材用カーボンブラック着色剤およびその製造方法 |
JP2013222887A (ja) * | 2012-04-18 | 2013-10-28 | E&E Japan株式会社 | 発光ダイオード |
JP2015023078A (ja) * | 2013-07-17 | 2015-02-02 | 株式会社ディスコ | ウエーハの加工方法 |
JP2015028980A (ja) * | 2013-07-30 | 2015-02-12 | 株式会社ディスコ | ウエーハの加工方法 |
JP2017108089A (ja) * | 2015-12-04 | 2017-06-15 | 株式会社東京精密 | レーザ加工装置及びレーザ加工方法 |
Also Published As
Publication number | Publication date |
---|---|
TW201916240A (zh) | 2019-04-16 |
JP7098223B2 (ja) | 2022-07-11 |
DE102018215822A1 (de) | 2019-03-21 |
CN109524353A (zh) | 2019-03-26 |
KR102569620B1 (ko) | 2023-08-22 |
SG10201807856RA (en) | 2019-04-29 |
KR20190032189A (ko) | 2019-03-27 |
TWI798260B (zh) | 2023-04-11 |
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