JP7370902B2 - クラック検出方法 - Google Patents
クラック検出方法 Download PDFInfo
- Publication number
- JP7370902B2 JP7370902B2 JP2020032994A JP2020032994A JP7370902B2 JP 7370902 B2 JP7370902 B2 JP 7370902B2 JP 2020032994 A JP2020032994 A JP 2020032994A JP 2020032994 A JP2020032994 A JP 2020032994A JP 7370902 B2 JP7370902 B2 JP 7370902B2
- Authority
- JP
- Japan
- Prior art keywords
- wafer
- crack
- workpiece
- modified layer
- crack detection
- 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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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9501—Semiconductor wafers
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8803—Visual inspection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/207—Welded or soldered joints; Solderability
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/20—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by the properties tested or measured, e.g. structural or electrical properties
- H10P74/203—Structural properties, e.g. testing or measuring thicknesses, line widths, warpage, bond strengths or physical defects
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/23—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Laser Beam Processing (AREA)
- Dicing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Description
波長 :1342nm
繰り返し周波数 :90kHz
平均出力 :1.1W
加工送り速度 :700mm/秒
波長 :1342nm
繰り返し周波数 :90kHz
平均出力 :1.2W
加工送り速度 :700mm/秒
10a:表面
10b:裏面
10A:被加工物(ダミーウエーハ)
10Aa:第一の面
10Ab:第二の面
12:デバイス
14:分割予定ライン
16:保護テープ
20:レーザー加工装置
22:チャックテーブル
24:レーザー光線照射手段
24a:集光器
30:研削装置
32:チャックテーブル
34:研削手段
34b:研削ホイール
34c:研削砥石
100、100A:改質層
110、110A:クラック
M:マーカーペン
LB:レーザー光線
Claims (2)
- クラック検出方法であって、
第一の面と、該第一の面に対して反対側の第二の面を備えた板状の被加工物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第一の面から内部に位置付けて線状に照射し、該被加工物の内部に改質層を形成すると共に、該改質層から該第二の面側に延びるクラックを形成するクラック形成工程と、
該第二の面に塗料を塗布する塗料塗布工程と、
該塗料が線状に弾かれている場所を探査してクラックを検出するクラック検出工程と、
を含み構成されるクラック検出方法。 - 該塗料塗布工程において、油性マーカーが用いられる請求項1に記載のクラック検出方法。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020032994A JP7370902B2 (ja) | 2020-02-28 | 2020-02-28 | クラック検出方法 |
| KR1020210009605A KR102918172B1 (ko) | 2020-02-28 | 2021-01-22 | 크랙 검출 방법 |
| US17/173,419 US11519865B2 (en) | 2020-02-28 | 2021-02-11 | Crack detection method |
| SG10202101533WA SG10202101533WA (en) | 2020-02-28 | 2021-02-16 | Crack detection method |
| MYPI2021000867A MY203197A (en) | 2020-02-28 | 2021-02-17 | Crack detection method |
| TW110105668A TWI868317B (zh) | 2020-02-28 | 2021-02-19 | 裂紋檢測方法 |
| CN202110205586.5A CN113325000B (zh) | 2020-02-28 | 2021-02-24 | 裂纹检测方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020032994A JP7370902B2 (ja) | 2020-02-28 | 2020-02-28 | クラック検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021133328A JP2021133328A (ja) | 2021-09-13 |
| JP7370902B2 true JP7370902B2 (ja) | 2023-10-30 |
Family
ID=77414379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020032994A Active JP7370902B2 (ja) | 2020-02-28 | 2020-02-28 | クラック検出方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11519865B2 (ja) |
| JP (1) | JP7370902B2 (ja) |
| KR (1) | KR102918172B1 (ja) |
| CN (1) | CN113325000B (ja) |
| MY (1) | MY203197A (ja) |
| SG (1) | SG10202101533WA (ja) |
| TW (1) | TWI868317B (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023130157A (ja) * | 2022-03-07 | 2023-09-20 | 株式会社ディスコ | ウエーハの加工方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017216413A (ja) | 2016-06-02 | 2017-12-07 | 株式会社ディスコ | 漏れ光検出方法 |
| JP2019197756A (ja) | 2018-05-07 | 2019-11-14 | 株式会社ディスコ | チップの製造方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636127A (en) * | 1949-03-14 | 1953-04-21 | Magnaflux Corp | Method of detecting cracks in porous surfaces |
| DE2804829C2 (de) * | 1978-02-04 | 1980-03-27 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Verfahren zur Ermittlung von bis zur Oberfläche von Werkstücken reichenden Fehlstellen |
| JP3679594B2 (ja) * | 1998-01-30 | 2005-08-03 | キヤノン株式会社 | クラック検査方法 |
| JP3408805B2 (ja) | 2000-09-13 | 2003-05-19 | 浜松ホトニクス株式会社 | 切断起点領域形成方法及び加工対象物切断方法 |
| EP3252806B1 (en) | 2002-03-12 | 2019-10-09 | Hamamatsu Photonics K.K. | Substrate dividing method |
| JP2006150385A (ja) * | 2004-11-26 | 2006-06-15 | Canon Inc | レーザ割断方法 |
| US8059008B2 (en) * | 2006-01-26 | 2011-11-15 | National Research Council Of Canada | Surface-mounted crack detection |
| DE102006033217A1 (de) * | 2006-07-14 | 2008-01-17 | Jenoptik Automatisierungstechnik Gmbh | Verfahren zur Erzeugung optisch wahrnehmbarer laserinduzierter Risse in sprödes Material |
| CN101969957A (zh) * | 2007-11-13 | 2011-02-09 | 梅里蒂奇制药公司 | 用于治疗胃肠道炎症的组合物 |
| CN101403707B (zh) * | 2008-11-18 | 2011-01-19 | 中国科学院长春光学精密机械与物理研究所 | 用分子着色剂检测玻璃微裂纹的方法 |
| JP5940783B2 (ja) * | 2011-09-07 | 2016-06-29 | 株式会社ディスコ | 板状物の加工方法 |
| CN104011836B (zh) * | 2011-12-26 | 2017-07-25 | 三井—杜邦聚合化学株式会社 | 激光切割用膜基材、激光切割用膜以及电子部件的制造方法 |
| CN103409758B (zh) * | 2013-07-12 | 2015-09-30 | 江苏大学 | 泵类壳体及叶片微细裂纹激光强化延寿方法 |
| JP6232230B2 (ja) * | 2013-08-30 | 2017-11-15 | 株式会社ディスコ | ウェーハの加工方法 |
| JP6428112B2 (ja) | 2014-09-30 | 2018-11-28 | 三星ダイヤモンド工業株式会社 | パターニング基板のブレイク装置 |
| JP6347714B2 (ja) * | 2014-10-02 | 2018-06-27 | 株式会社ディスコ | ウエーハの加工方法 |
| JP6608713B2 (ja) * | 2016-01-19 | 2019-11-20 | 株式会社ディスコ | ウエーハの加工方法 |
| JP7256604B2 (ja) * | 2018-03-16 | 2023-04-12 | 株式会社ディスコ | 非破壊検出方法 |
| JP2020061398A (ja) * | 2018-10-05 | 2020-04-16 | 株式会社ディスコ | ウエーハの加工方法 |
| CN109738548A (zh) | 2019-02-20 | 2019-05-10 | 云南中烟工业有限责任公司 | 一种加热不燃烧卷烟中薄荷醇异构体逐口转移率测定方法 |
| CN109738458A (zh) * | 2019-03-05 | 2019-05-10 | 北京大学东莞光电研究院 | 一种表面微裂纹检测方法 |
-
2020
- 2020-02-28 JP JP2020032994A patent/JP7370902B2/ja active Active
-
2021
- 2021-01-22 KR KR1020210009605A patent/KR102918172B1/ko active Active
- 2021-02-11 US US17/173,419 patent/US11519865B2/en active Active
- 2021-02-16 SG SG10202101533WA patent/SG10202101533WA/en unknown
- 2021-02-17 MY MYPI2021000867A patent/MY203197A/en unknown
- 2021-02-19 TW TW110105668A patent/TWI868317B/zh active
- 2021-02-24 CN CN202110205586.5A patent/CN113325000B/zh active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017216413A (ja) | 2016-06-02 | 2017-12-07 | 株式会社ディスコ | 漏れ光検出方法 |
| JP2019197756A (ja) | 2018-05-07 | 2019-11-14 | 株式会社ディスコ | チップの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| SG10202101533WA (en) | 2021-09-29 |
| JP2021133328A (ja) | 2021-09-13 |
| KR20210110180A (ko) | 2021-09-07 |
| MY203197A (en) | 2024-06-13 |
| TW202133243A (zh) | 2021-09-01 |
| US20210270749A1 (en) | 2021-09-02 |
| CN113325000A (zh) | 2021-08-31 |
| US11519865B2 (en) | 2022-12-06 |
| KR102918172B1 (ko) | 2026-01-26 |
| CN113325000B (zh) | 2025-04-04 |
| TWI868317B (zh) | 2025-01-01 |
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