JP2019186468A - ウエーハの加工方法 - Google Patents
ウエーハの加工方法 Download PDFInfo
- Publication number
- JP2019186468A JP2019186468A JP2018078195A JP2018078195A JP2019186468A JP 2019186468 A JP2019186468 A JP 2019186468A JP 2018078195 A JP2018078195 A JP 2018078195A JP 2018078195 A JP2018078195 A JP 2018078195A JP 2019186468 A JP2019186468 A JP 2019186468A
- Authority
- JP
- Japan
- Prior art keywords
- wafer
- flash memory
- layer
- semiconductor substrate
- daf
- 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.)
- Granted
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 230000015654 memory Effects 0.000 claims abstract description 72
- 238000005520 cutting process Methods 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000004065 semiconductor Substances 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 88
- 238000003384 imaging method Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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
- B23K26/38—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
- H01L21/67—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
- 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
- H01L21/76—Making of isolation regions between components
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Dicing (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Laser Beam Processing (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
パルスレーザー光線の波長 :1064nm
繰り返し周波数 :80kHz
平均出力 :1.0W
送り速度 :400mm/s
4:半導体基板
6:第一の記憶層
8:結合層
10:第二の記憶層
12:フラッシュメモリーチップ
30:切削溝
42:改質層
60:クラック
62:DAF
Claims (2)
- 半導体基板の表面に金属膜と絶縁膜とが交互に複数積層された第一の記憶層と、該第一の記憶層の上面に絶縁層を結合層として金属膜と絶縁膜とが交互に複数積層された第二の記憶層とが連結されて構成される複数のフラッシュメモリーチップが分割予定ラインによって区画されたウエーハを個々のフラッシュメモリーチップに分割するウエーハの加工方法であって、
分割予定ラインを切削ブレードで切削し該第二の記憶層に切削溝を形成する切削溝形成工程と、
半導体基板に対して透過性を有する波長のレーザー光線の集光点を分割予定ラインに対応する半導体基板の内部に位置づけて半導体基板にレーザー光線を照射し改質層を形成する改質層形成工程と、
半導体基板の裏面を研削して改質層からクラックを成長させてウエーハを個々のフラッシュメモリーチップに分割する分割工程と、
個々のフラッシュメモリーチップに分割されたウエーハの裏面にDAFを配設してDAFを支持する支持テープを拡張してDAFをフラッシュメモリーチップ毎に分割するDAF分割工程と、
から少なくとも構成されるウエーハの加工方法。 - 該切削溝形成工程において、切削溝は該結合層に至る請求項1記載のウエーハの加工方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018078195A JP7027234B2 (ja) | 2018-04-16 | 2018-04-16 | ウエーハの加工方法 |
KR1020190034398A KR102629098B1 (ko) | 2018-04-16 | 2019-03-26 | 웨이퍼의 가공 방법 |
CN201910293069.0A CN110391183A (zh) | 2018-04-16 | 2019-04-12 | 晶片的加工方法 |
TW108113018A TWI825091B (zh) | 2018-04-16 | 2019-04-15 | 晶圓之加工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018078195A JP7027234B2 (ja) | 2018-04-16 | 2018-04-16 | ウエーハの加工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019186468A true JP2019186468A (ja) | 2019-10-24 |
JP7027234B2 JP7027234B2 (ja) | 2022-03-01 |
Family
ID=68284317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018078195A Active JP7027234B2 (ja) | 2018-04-16 | 2018-04-16 | ウエーハの加工方法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP7027234B2 (ja) |
KR (1) | KR102629098B1 (ja) |
CN (1) | CN110391183A (ja) |
TW (1) | TWI825091B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20240004698A (ko) | 2021-05-28 | 2024-01-11 | 니뽄 다바코 산교 가부시키가이샤 | 정보 처리 방법, 정보 처리 단말, 및 정보 처리 시스템 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115770960A (zh) * | 2021-11-25 | 2023-03-10 | 湖南大学 | 一种含背金层半导体材料的复合切割工艺 |
CN114986358B (zh) * | 2022-05-27 | 2024-04-09 | 深圳市奥伦德元器件有限公司 | 芯片划片方法、设备、控制器及计算机可读存储介质 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009176849A (ja) * | 2008-01-23 | 2009-08-06 | Toshiba Corp | 積層型半導体装置と半導体記憶装置 |
JP2011066417A (ja) * | 2009-09-15 | 2011-03-31 | Samsung Electronics Co Ltd | 3次元半導体メモリ装置及びその製造方法 |
JP2013080972A (ja) * | 2005-11-10 | 2013-05-02 | Renesas Electronics Corp | 半導体装置の製造方法 |
JP2013258236A (ja) * | 2012-06-12 | 2013-12-26 | Disco Abrasive Syst Ltd | 接着フィルムの破断方法 |
JP2015133435A (ja) * | 2014-01-15 | 2015-07-23 | 株式会社ディスコ | ウエーハの加工方法 |
JP2016058454A (ja) * | 2014-09-05 | 2016-04-21 | 株式会社東芝 | 半導体記憶装置 |
JP2016111293A (ja) * | 2014-12-10 | 2016-06-20 | 株式会社東京精密 | ウェハ分割方法及びウェハ分割装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007134454A (ja) * | 2005-11-09 | 2007-05-31 | Toshiba Corp | 半導体装置の製造方法 |
JP5155030B2 (ja) * | 2008-06-13 | 2013-02-27 | 株式会社ディスコ | 光デバイスウエーハの分割方法 |
JP2010010595A (ja) * | 2008-06-30 | 2010-01-14 | Oki Data Corp | 複合半導体装置、プリントヘッド及び画像形成装置 |
JP6029347B2 (ja) | 2012-06-26 | 2016-11-24 | 株式会社ディスコ | ウエーハの加工方法 |
US9460966B2 (en) * | 2013-10-10 | 2016-10-04 | Applied Materials, Inc. | Method and apparatus for dicing wafers having thick passivation polymer layer |
JP2015207604A (ja) * | 2014-04-17 | 2015-11-19 | 株式会社ディスコ | ウェーハの加工方法 |
JP6305853B2 (ja) * | 2014-07-08 | 2018-04-04 | 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 |
JP6716263B2 (ja) * | 2016-01-22 | 2020-07-01 | 株式会社ディスコ | ウエーハの加工方法 |
-
2018
- 2018-04-16 JP JP2018078195A patent/JP7027234B2/ja active Active
-
2019
- 2019-03-26 KR KR1020190034398A patent/KR102629098B1/ko active IP Right Grant
- 2019-04-12 CN CN201910293069.0A patent/CN110391183A/zh active Pending
- 2019-04-15 TW TW108113018A patent/TWI825091B/zh active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013080972A (ja) * | 2005-11-10 | 2013-05-02 | Renesas Electronics Corp | 半導体装置の製造方法 |
JP2009176849A (ja) * | 2008-01-23 | 2009-08-06 | Toshiba Corp | 積層型半導体装置と半導体記憶装置 |
JP2011066417A (ja) * | 2009-09-15 | 2011-03-31 | Samsung Electronics Co Ltd | 3次元半導体メモリ装置及びその製造方法 |
JP2013258236A (ja) * | 2012-06-12 | 2013-12-26 | Disco Abrasive Syst Ltd | 接着フィルムの破断方法 |
JP2015133435A (ja) * | 2014-01-15 | 2015-07-23 | 株式会社ディスコ | ウエーハの加工方法 |
JP2016058454A (ja) * | 2014-09-05 | 2016-04-21 | 株式会社東芝 | 半導体記憶装置 |
JP2016111293A (ja) * | 2014-12-10 | 2016-06-20 | 株式会社東京精密 | ウェハ分割方法及びウェハ分割装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20240004698A (ko) | 2021-05-28 | 2024-01-11 | 니뽄 다바코 산교 가부시키가이샤 | 정보 처리 방법, 정보 처리 단말, 및 정보 처리 시스템 |
Also Published As
Publication number | Publication date |
---|---|
KR20190120701A (ko) | 2019-10-24 |
JP7027234B2 (ja) | 2022-03-01 |
TWI825091B (zh) | 2023-12-11 |
KR102629098B1 (ko) | 2024-01-24 |
TW201944474A (zh) | 2019-11-16 |
CN110391183A (zh) | 2019-10-29 |
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