JP2016219564A - ウエーハの加工方法 - Google Patents
ウエーハの加工方法 Download PDFInfo
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- 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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- 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
- B23K26/362—Laser etching
- B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
- B28D5/022—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
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- 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
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- 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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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
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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
- 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
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- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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- 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
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- 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
- H01L2221/6834—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 to protect an active side of a device or wafer
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- Condensed Matter Physics & Semiconductors (AREA)
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- Electromagnetism (AREA)
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- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
実施形態に係るウエーハの加工方法を、図1から図16に基づいて説明する。図1は、実施形態に係るウエーハの加工方法の加工対象のウエーハを示す斜視図、図2は、実施形態に係るウエーハの加工方法の加工対象のウエーハの要部の断面図、図3(a)は、実施形態に係るウエーハの加工方法の保護テープ貼着ステップの保護テープ貼着前のウエーハなどを示す斜視図、図3(b)は、実施形態に係るウエーハの加工方法の保護テープ貼着ステップの保護テープ貼着後のウエーハを示す斜視図、図4は、実施形態に係るウエーハの加工方法の保護テープ貼着ステップ後のウエーハが切削装置のチャックテーブルに保持された状態を示す斜視図、図5(a)は、実施形態に係るウエーハの加工方法の高さ記録ステップ前の概要を示す側面図、図5(b)は、実施形態に係るウエーハの加工方法の高さ記録ステップ後の概要を示す側面図、図6(a)は、実施形態に係るウエーハの加工方法の厚み記録ステップ前の概要を示す側面図、図6(b)は、実施形態に係るウエーハの加工方法の厚み記録ステップ後の概要を示す側面図、図7(a)は、実施形態に係るウエーハの加工方法の切削溝形成ステップの切削溝形成開始時を示す断面図、図7(b)は、実施形態に係るウエーハの加工方法の切削溝形成ステップの切削溝形成終了時を示す断面図、図8(a)は、図7(a)中のVIIIA−VIIIA線に沿う断面図、図8(b)は、図7(b)中のVIIIB−VIIIB線に沿う断面図、図9は、実施形態に係るウエーハの加工方法の切削溝形成ステップ後のウエーハがレーザー加工装置のチャックテーブルに保持された状態を示す斜視図、図10は、実施形態に係るウエーハの加工方法の分割ステップの概要を示す断面図、図11(a)は、実施形態に係るウエーハの加工方法の分割ステップのレーザー加工溝形成前のウエーハの要部の断面図、図11(b)は、実施形態に係るウエーハの加工方法の分割ステップのレーザー加工溝形成後のウエーハの要部の断面図、図12は、実施形態に係るウエーハの加工方法の分割ステップのレーザー加工溝形成途中のウエーハなどを示す斜視図、図13は、実施形態に係るウエーハの加工方法の分割ステップのレーザー加工溝形成途中のウエーハなどを示す他の斜視図、図14は、図9中のXIV部をレーザー加工装置の撮像手段が撮像して得た画像の一例を示す図、図15は、図12及び図13中のXV部をレーザー加工装置の撮像手段が撮像して得た画像の一例を示す図、図16は、実施形態に係るウエーハの加工方法のフローの一例を示す図である。
22 撮像手段
B 基板
Ba 表面
Bb 裏面
CR 切削溝
D デバイス
DT デバイスチップ
DA ずれ量(加工位置補正情報)
DR デバイス領域
GR 外周余剰領域
TG 保護テープ
FL 機能層
L レーザー光線
LR レーザー加工溝
S1,S2 分割予定ライン
SL 基準線(所望のレーザー光線照射位置)
W ウエーハ
UC 非加工部
UP 残存部
ST1 保護テープ貼着ステップ
ST4 切削溝形成ステップ
ST5 分割ステップ
ST53 ずれ量検出ステップ
ST54 位置補正ステップ
Claims (2)
- 基板の表面に積層された機能層に、格子状に形成された複数の分割予定ラインと該分割予定ラインに区画された複数の領域にデバイスが形成され、デバイスが形成されたデバイス領域と該デバイス領域を囲繞する外周余剰領域とを備えるウエーハの加工方法であって、
機能層の表面に外的刺激によって硬化する保護テープを貼着する保護テープ貼着ステップと、
基板の裏面側から分割予定ラインに沿って切削ブレードで切削し、機能層に至らない残存部を残した切削溝を形成する切削溝形成ステップと、
該切削溝形成ステップを実施した後、基板に吸収性を有する波長のレーザー光線を該切削溝に沿って照射し、該残存部を分割してウエーハをデバイスチップに分割する分割ステップと、を備え、
該切削溝形成ステップでは、外周余剰領域に切削溝を形成しない非加工部を形成するウエーハの加工方法。 - 該分割ステップでは、該非加工部を含む分割予定ラインに対応した領域にレーザー光線を照射して、該非加工部の表面にレーザー加工溝を形成し、
該非加工部に形成された該レーザー加工溝を撮像手段で撮像し、所望のレーザー光線照射位置と該レーザー加工溝の位置とのずれ量を加工位置補正情報として検出するずれ量検出ステップと、
該加工位置補正情報に基づいてレーザー光線の照射位置を補正する位置補正ステップと、
を備えることを特徴とする請求項1記載のウエーハの加工方法。
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Application Number | Priority Date | Filing Date | Title |
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JP2015101599A JP6478801B2 (ja) | 2015-05-19 | 2015-05-19 | ウエーハの加工方法 |
TW105111065A TWI679693B (zh) | 2015-05-19 | 2016-04-08 | 晶圓的加工方法 |
SG10201603205TA SG10201603205TA (en) | 2015-05-19 | 2016-04-22 | Wafer processing method |
KR1020160055179A KR102447146B1 (ko) | 2015-05-19 | 2016-05-04 | 웨이퍼의 가공 방법 |
US15/151,143 US9716039B2 (en) | 2015-05-19 | 2016-05-10 | Wafer processing method |
DE102016208307.4A DE102016208307A1 (de) | 2015-05-19 | 2016-05-13 | Waferbearbeitungsverfahren |
CN201610325658.9A CN106169442A (zh) | 2015-05-19 | 2016-05-17 | 晶片的加工方法 |
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JP2015101599A JP6478801B2 (ja) | 2015-05-19 | 2015-05-19 | ウエーハの加工方法 |
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KR (1) | KR102447146B1 (ja) |
CN (1) | CN106169442A (ja) |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2019023151A (ja) * | 2017-07-24 | 2019-02-14 | 株式会社ディスコ | チップの製造方法 |
JP2019038703A (ja) * | 2017-08-22 | 2019-03-14 | 株式会社ディスコ | チップの製造方法 |
JP2019197793A (ja) * | 2018-05-09 | 2019-11-14 | 株式会社ディスコ | ウェーハの分割方法 |
JP2020009812A (ja) * | 2018-07-03 | 2020-01-16 | 株式会社ディスコ | ウエーハの加工方法 |
JP2020017677A (ja) * | 2018-07-26 | 2020-01-30 | 株式会社ディスコ | ウェーハの加工方法 |
JP2020145337A (ja) * | 2019-03-07 | 2020-09-10 | 株式会社ディスコ | 被加工物の分割方法 |
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JP7061021B2 (ja) * | 2018-06-06 | 2022-04-27 | 株式会社ディスコ | ウェーハの加工方法及び研削装置 |
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KR102447146B1 (ko) | 2022-09-23 |
CN106169442A (zh) | 2016-11-30 |
JP6478801B2 (ja) | 2019-03-06 |
KR20160136232A (ko) | 2016-11-29 |
US20160343614A1 (en) | 2016-11-24 |
TWI679693B (zh) | 2019-12-11 |
SG10201603205TA (en) | 2016-12-29 |
US9716039B2 (en) | 2017-07-25 |
TW201642336A (zh) | 2016-12-01 |
DE102016208307A1 (de) | 2016-11-24 |
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