SG11201808303YA - Method and system for inspecting boards for microelectronics or optics by laser doppler effect - Google Patents

Method and system for inspecting boards for microelectronics or optics by laser doppler effect

Info

Publication number
SG11201808303YA
SG11201808303YA SG11201808303YA SG11201808303YA SG11201808303YA SG 11201808303Y A SG11201808303Y A SG 11201808303YA SG 11201808303Y A SG11201808303Y A SG 11201808303YA SG 11201808303Y A SG11201808303Y A SG 11201808303YA SG 11201808303Y A SG11201808303Y A SG 11201808303YA
Authority
SG
Singapore
Prior art keywords
wafer
optics
light
measurement volume
microelectronics
Prior art date
Application number
SG11201808303YA
Other languages
English (en)
Inventor
Philippe Gastaldo
De Gevigney Mayeul Durand
Tristan Combier
Original Assignee
Unity Semiconductor
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Unity Semiconductor filed Critical Unity Semiconductor
Publication of SG11201808303YA publication Critical patent/SG11201808303YA/en

Links

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
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9501—Semiconductor wafers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/302—Contactless testing
    • G01R31/308—Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2831—Testing of materials or semi-finished products, e.g. semiconductor wafers or substrates

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SG11201808303YA 2016-03-31 2017-03-14 Method and system for inspecting boards for microelectronics or optics by laser doppler effect SG11201808303YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1652835A FR3049710B1 (fr) 2016-03-31 2016-03-31 Procede et systeme d'inspection par effet doppler laser de plaquettes pour la microelectronique ou l'optique
PCT/EP2017/055967 WO2017167573A1 (fr) 2016-03-31 2017-03-14 Procede et systeme d'inspection par effet doppler laser de plaquettes pour la microelectronique ou l'optique

Publications (1)

Publication Number Publication Date
SG11201808303YA true SG11201808303YA (en) 2018-10-30

Family

ID=55863116

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201808303YA SG11201808303YA (en) 2016-03-31 2017-03-14 Method and system for inspecting boards for microelectronics or optics by laser doppler effect

Country Status (9)

Country Link
US (1) US11092644B2 (ko)
EP (1) EP3436807B1 (ko)
JP (1) JP2019518197A (ko)
KR (1) KR20180123699A (ko)
CN (1) CN109073566B (ko)
FR (1) FR3049710B1 (ko)
SG (1) SG11201808303YA (ko)
TW (1) TW201802461A (ko)
WO (1) WO2017167573A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI718627B (zh) * 2019-08-19 2021-02-11 崑山科技大學 以表面波頻率偵測材料表面瑕疵之方法
CN113503822B (zh) * 2021-06-01 2023-08-18 南京中安半导体设备有限责任公司 晶圆厚度的测量方法及其测量装置
EP4202423A1 (en) 2021-12-23 2023-06-28 Unity Semiconductor A method and system for discriminating defects present on a frontside from defects present on a backside of a transparent substrate

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02253166A (ja) * 1989-03-27 1990-10-11 Yuji Ikeda 光ファイバレーザドップラ流速計の光学装置
JP2711140B2 (ja) * 1989-06-08 1998-02-10 三菱電機株式会社 徴細粒子測定装置
US5343290A (en) * 1992-06-11 1994-08-30 International Business Machines Corporation Surface particle detection using heterodyne interferometer
FR2699269B1 (fr) * 1992-12-10 1995-01-13 Merlin Gerin Dispositif de mesure interferrométrique.
US5883714A (en) * 1996-10-07 1999-03-16 Phase Metrics Method and apparatus for detecting defects on a disk using interferometric analysis on reflected light
JP3375876B2 (ja) * 1998-02-06 2003-02-10 株式会社日立製作所 結晶欠陥計測方法及び結晶欠陥計測装置
WO2002039099A2 (en) * 2000-11-13 2002-05-16 Koninklijke Philips Electronics N.V. Measurement of surface defects
US7068363B2 (en) * 2003-06-06 2006-06-27 Kla-Tencor Technologies Corp. Systems for inspection of patterned or unpatterned wafers and other specimen
US9909986B2 (en) * 2003-10-15 2018-03-06 Applied Research And Photonics, Inc. Thickness determination and layer characterization using terahertz scanning reflectometry
US7420669B2 (en) * 2004-07-01 2008-09-02 Midwest Research Institute Optic probe for semiconductor characterization
CN1740782B (zh) * 2005-09-15 2010-04-28 中国科学院上海光学精密机械研究所 倾斜入射光散射式硅片表面缺陷检测仪
FR2927175B1 (fr) 2008-02-05 2011-02-18 Altatech Semiconductor Dispositif d'inspection de plaquettes semi-conductrices
JP5520736B2 (ja) * 2010-07-30 2014-06-11 株式会社日立ハイテクノロジーズ 欠陥検査方法及び欠陥検査装置
CN102937411B (zh) * 2012-11-09 2015-01-21 清华大学 一种双频光栅干涉仪位移测量***
CN103322927B (zh) * 2013-06-19 2016-04-20 清华大学 一种三自由度外差光栅干涉仪位移测量***
WO2015161136A1 (en) * 2014-04-17 2015-10-22 Femtometrix, Inc. Wafer metrology technologies
FR3026484B1 (fr) 2014-09-29 2018-06-15 Altatech Semiconductor Procede et systeme d'inspection de plaquettes transparentes pour l'electronique, l'optique ou l'optoelectronique
FR3026485B1 (fr) * 2014-09-29 2016-09-23 Altatech Semiconductor Procede et systeme d'inspection de plaquettes pour l'electronique, l'optique ou l'optoelectronique

Also Published As

Publication number Publication date
WO2017167573A1 (fr) 2017-10-05
TW201802461A (zh) 2018-01-16
CN109073566B (zh) 2022-07-19
FR3049710A1 (fr) 2017-10-06
FR3049710B1 (fr) 2020-06-19
EP3436807B1 (fr) 2020-12-02
CN109073566A (zh) 2018-12-21
EP3436807A1 (fr) 2019-02-06
US11092644B2 (en) 2021-08-17
US20200271718A1 (en) 2020-08-27
KR20180123699A (ko) 2018-11-19
JP2019518197A (ja) 2019-06-27

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