JP6955931B2 - 検査用ウエーハ及びエネルギー分布の検査方法 - Google Patents
検査用ウエーハ及びエネルギー分布の検査方法 Download PDFInfo
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- JP6955931B2 JP6955931B2 JP2017159263A JP2017159263A JP6955931B2 JP 6955931 B2 JP6955931 B2 JP 6955931B2 JP 2017159263 A JP2017159263 A JP 2017159263A JP 2017159263 A JP2017159263 A JP 2017159263A JP 6955931 B2 JP6955931 B2 JP 6955931B2
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- 238000003384 imaging method Methods 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 8
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- 239000004065 semiconductor Substances 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
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
-
- 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
- B23K26/50—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
-
- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/073—Shaping the laser spot
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/705—Beam measuring device
-
- 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
-
- 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
- G01N2021/8477—Investigating crystals, e.g. liquid crystals
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laser Beam Processing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
21 保持テーブル
31 レーザ加工手段
32 撮像手段
33 制御手段
41 検査用基板(ウエーハ)
42 第1の金属層
43 第2の金属層
45 加工痕
S 照射スポット領域
WA 検査用ウエーハ
Claims (3)
- ウエーハの上面側から照射させたレーザ光の集光スポットの領域におけるレーザー光の出力特性によって異なるエネルギー分布を確認することによって、実生産時のウエーハの上面側からレーザ光を照射させ、所定の加工を施すことを可能にする検査用ウエーハであって、
ウエーハの上面に比熱または融点の異なる第1の金属層と第2の金属層の少なくとも2層の金属層を形成した検査用ウエーハ。 - ウエーハの上面側から照射させたレーザ光の集光スポットの領域におけるエネルギー分布を確認し、ウエーハの上面に比熱または融点の異なる第1の金属層と第2の金属層の少なくとも2層の金属層を形成した検査用ウエーハを用いて該集光スポットの領域におけるエネルギー分布の検査方法であって、
該金属層を上にして該検査用ウエーハを保持テーブルで保持する保持工程と、
該検査用ウエーハの上方からレーザ光を照射させ該集光スポットの領域が広げられた照射スポット領域で該金属層を加工するレーザ光照射工程と、
該レーザ光照射工程で、加工された加工痕を上方から撮像する撮像工程と、を備えたエネルギー分布の検査方法。 - 最適なレーザ加工を可能にするレーザ光を該検査用ウエーハに照射させ該照射スポット領域において加工された加工痕を撮像して予め記憶した記憶加工痕画と、該撮像工程で撮像した撮像加工痕画と、が同じになるように該集光スポットの領域におけるレーザ光のエネルギー分布を調整する調整工程を備える請求項2記載のエネルギー分布の検査方法。
Priority Applications (5)
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JP2017159263A JP6955931B2 (ja) | 2017-08-22 | 2017-08-22 | 検査用ウエーハ及びエネルギー分布の検査方法 |
KR1020180094786A KR102633877B1 (ko) | 2017-08-22 | 2018-08-14 | 검사용 웨이퍼 및 에너지 분포의 검사 방법 |
CN201810927682.9A CN109425612B (zh) | 2017-08-22 | 2018-08-15 | 检查用晶片和能量分布的检查方法 |
TW107128813A TWI752257B (zh) | 2017-08-22 | 2018-08-17 | 檢查用晶圓以及能量分佈的檢查方法 |
US16/107,585 US10994368B2 (en) | 2017-08-22 | 2018-08-21 | Wafer for examination and examination method of energy distribution |
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JP2017159263A JP6955931B2 (ja) | 2017-08-22 | 2017-08-22 | 検査用ウエーハ及びエネルギー分布の検査方法 |
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JP2019039679A JP2019039679A (ja) | 2019-03-14 |
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US (1) | US10994368B2 (ja) |
JP (1) | JP6955931B2 (ja) |
KR (1) | KR102633877B1 (ja) |
CN (1) | CN109425612B (ja) |
TW (1) | TWI752257B (ja) |
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WO2020129732A1 (ja) * | 2018-12-21 | 2020-06-25 | 東京エレクトロン株式会社 | 基板処理装置及び基板処理方法 |
JP7324985B2 (ja) * | 2019-09-20 | 2023-08-14 | 株式会社東京精密 | レーザ加工装置及びレーザ加工装置の診断方法 |
DE102020110087A1 (de) * | 2020-04-09 | 2021-10-14 | Ii-Vi Delaware, Inc. | Verfahren zur prozesskontrolle bei der lasermaterialbearbeitung |
CN112828451B (zh) * | 2020-12-31 | 2023-09-22 | 华灿光电(浙江)有限公司 | 发光二极管芯片的激光切割方法及装置 |
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JPH07249558A (ja) * | 1994-03-09 | 1995-09-26 | Nikon Corp | 位置合わせ方法 |
US5895581A (en) * | 1997-04-03 | 1999-04-20 | J.G. Systems Inc. | Laser imaging of printed circuit patterns without using phototools |
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 |
US7846152B2 (en) * | 2004-03-24 | 2010-12-07 | Amo Manufacturing Usa, Llc. | Calibrating laser beam position and shape using an image capture device |
DE102007060008A1 (de) * | 2007-12-13 | 2009-06-18 | Technolas Gmbh Ophthalmologische Systeme | Bestimmung und Überwachumg von Laserenergie |
US20090314751A1 (en) * | 2008-04-11 | 2009-12-24 | Applied Materials, Inc. | Laser scribe inspection methods and systems |
JP2012156168A (ja) * | 2011-01-21 | 2012-08-16 | Disco Abrasive Syst Ltd | 分割方法 |
US8728933B1 (en) * | 2011-08-31 | 2014-05-20 | Alta Devices, Inc. | Laser cutting and chemical edge clean for thin-film solar cells |
JP5840215B2 (ja) * | 2011-09-16 | 2016-01-06 | 浜松ホトニクス株式会社 | レーザ加工方法及びレーザ加工装置 |
US9170170B2 (en) * | 2011-12-22 | 2015-10-27 | Ziemer Ophthalmic Systems Ag | Device and method for determining the focus position of a laser beam |
US8980743B2 (en) * | 2012-06-12 | 2015-03-17 | Flipchip International Llc | Method for applying a final metal layer for wafer level packaging and associated device |
CN105229446B (zh) * | 2013-03-15 | 2017-10-10 | 伊雷克托科学工业股份有限公司 | 以影像辨识为基础的烧蚀图案位置收回 |
JP2017037912A (ja) * | 2015-08-07 | 2017-02-16 | 株式会社ディスコ | 検査用ウエーハおよび検査用ウエーハの使用方法 |
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KR102633877B1 (ko) | 2024-02-05 |
TWI752257B (zh) | 2022-01-11 |
CN109425612A (zh) | 2019-03-05 |
KR20190021163A (ko) | 2019-03-05 |
JP2019039679A (ja) | 2019-03-14 |
TW201913770A (zh) | 2019-04-01 |
CN109425612B (zh) | 2024-04-02 |
US10994368B2 (en) | 2021-05-04 |
US20190061050A1 (en) | 2019-02-28 |
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