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Pleasanton, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods of high-resolution review for semiconductor ins...
Patent number
11,544,838
Issue date
Jan 3, 2023
KLA Corporation
Shifang Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Determining metrology-like information for a specimen using an insp...
Patent number
11,221,300
Issue date
Jan 11, 2022
KLA Corp.
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
All surface film metrology system
Patent number
10,563,973
Issue date
Feb 18, 2020
KLA-Tencor Corporation
Shifang Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Bonded wafer metrology
Patent number
10,540,759
Issue date
Jan 21, 2020
KLA-Tencor Corporation
Kaushik Sah
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus for measuring height on a semiconductor wafer
Patent number
10,495,446
Issue date
Dec 3, 2019
KLA-Tencor Corporation
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Method for defocus detection
Patent number
10,372,113
Issue date
Aug 6, 2019
KLA-Tencor Corporation
Xuguang Jiang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of improving lateral resolution for height sensor using diff...
Patent number
10,088,298
Issue date
Oct 2, 2018
KLA-Tencor Corporation
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Increasing dynamic range of a height sensor for inspection and metr...
Patent number
9,958,257
Issue date
May 1, 2018
KLA-Tencor Corporation
Shifang Li
G02 - OPTICS
Information
Patent Grant
Line scan knife edge height sensor for semiconductor inspection and...
Patent number
9,885,656
Issue date
Feb 6, 2018
KLA-Tencor Corporation
Shifang Li
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Line scan spectroscopic white light interferometry for semiconducto...
Patent number
9,863,756
Issue date
Jan 9, 2018
KLA-Tencor Corporation
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Systems and methods for enhancing inspection sensitivity of an insp...
Patent number
9,747,520
Issue date
Aug 29, 2017
KLA-Tencor Corporation
Shifang Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and methods for measuring properties in a TSV structure u...
Patent number
9,709,386
Issue date
Jul 18, 2017
KLA-Tencor Corporation
Lena Nicolaides
G01 - MEASURING TESTING
Information
Patent Grant
System and method for semiconductor wafer inspection and metrology
Patent number
9,658,150
Issue date
May 23, 2017
KLA-Tencor Corporation
Shifang Li
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Automated inline inspection of wafer edge strain profiles using rap...
Patent number
9,640,449
Issue date
May 2, 2017
KLA-Tencor Corporation
Timothy Goodwin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Computation efficiency by diffraction order truncation
Patent number
9,625,937
Issue date
Apr 18, 2017
KLA-Tencor Corporation
Joerg Bischoff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical metrology with multiple angles of incidence and/or azimuth...
Patent number
9,115,987
Issue date
Aug 25, 2015
Nanometrics Incorporated
Zhuan Liu
G01 - MEASURING TESTING
Information
Patent Grant
Automated process control using an adjusted metrology output signal
Patent number
9,103,664
Issue date
Aug 11, 2015
Tokyo Electron Limited
Shifang Li
G05 - CONTROLLING REGULATING
Information
Patent Grant
System for in-situ film stack measurement during etching and etch c...
Patent number
9,059,038
Issue date
Jun 16, 2015
Tokyo Electron Limited
Shifang Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Overlay measurement for a double patterning
Patent number
8,980,651
Issue date
Mar 17, 2015
Tokyo Electron Limited
Hongyu Henry Yue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process control using ray tracing-based libraries and machine learn...
Patent number
8,838,422
Issue date
Sep 16, 2014
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Method of enhancing an optical metrology system using ray tracing a...
Patent number
8,812,277
Issue date
Aug 19, 2014
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Method of regenerating diffraction signals for optical metrology sy...
Patent number
8,570,531
Issue date
Oct 29, 2013
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Optimization of ray tracing and beam propagation parameters
Patent number
8,289,527
Issue date
Oct 16, 2012
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Generating simulated diffraction signal using a dispersion function...
Patent number
8,069,020
Issue date
Nov 29, 2011
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
System and method for azimuth angle calibration
Patent number
7,990,534
Issue date
Aug 2, 2011
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Optimizing sensitivity of optical metrology measurements
Patent number
7,961,306
Issue date
Jun 14, 2011
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Determining profile parameters of a structure using approximation a...
Patent number
7,949,490
Issue date
May 24, 2011
Tokyo Electron Limited
Wei Liu
G01 - MEASURING TESTING
Information
Patent Grant
Pre-aligned metrology system and modules
Patent number
7,940,391
Issue date
May 10, 2011
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Information
Patent Grant
Determining profile parameters of a structure formed on a semicondu...
Patent number
7,912,679
Issue date
Mar 22, 2011
Tokyo Electron Limited
Shifang Li
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Field replaceable units (FRUs) optimized for integrated metrology (IM)
Patent number
7,742,163
Issue date
Jun 22, 2010
Tokyo Electron Limited
Shifang Li
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
HOLISTIC ANALYSIS OF MULTIDIMENSIONAL SENSOR DATA FOR SUBSTRATE PRO...
Publication number
20230367302
Publication date
Nov 16, 2023
Applied Materials, Inc.
Chao Liu
G05 - CONTROLLING REGULATING
Information
Patent Application
TEMPERATURE-BASED METROLOGY CALIBRATION AT A MANUFACTURING SYSTEM
Publication number
20230317481
Publication date
Oct 5, 2023
Applied Materials, Inc.
Shifang Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IMAGING REFLECTOMETRY FOR INLINE SCREENING
Publication number
20220307990
Publication date
Sep 29, 2022
John Charles Robinson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DETERMINING METROLOGY-LIKE INFORMATION FOR A SPECIMEN USING AN INSP...
Publication number
20210293724
Publication date
Sep 23, 2021
KLA Corporation
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
Systems and Methods of High-Resolution Review for Semiconductor Ins...
Publication number
20210295495
Publication date
Sep 23, 2021
KLA Corporation
Shifang Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Bonded Wafer Metrology
Publication number
20180150952
Publication date
May 31, 2018
KLA-Tencor Corporation
Kaushik Sah
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for Defocus Detection
Publication number
20180088560
Publication date
Mar 29, 2018
KLA-Tencor Corporation
Xuguang Jiang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ALL SURFACE FILM METROLOGY SYSTEM
Publication number
20170278236
Publication date
Sep 28, 2017
KLA-Tencor Corporation
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
Increasing Dynamic Range of a Height Sensor for Inspection and Metr...
Publication number
20170082424
Publication date
Mar 23, 2017
KLA-Tencor Corporation
Shifang Li
G02 - OPTICS
Information
Patent Application
METHOD OF IMPROVING LATERAL RESOLUTION FOR HEIGHT SENSOR USING DIFF...
Publication number
20170067732
Publication date
Mar 9, 2017
KLA-Tencor Corporation
Shifang Li
G02 - OPTICS
Information
Patent Application
METHODS AND APPARATUS FOR MEASURING HEIGHT ON A SEMICONDUCTOR WAFER
Publication number
20160377412
Publication date
Dec 29, 2016
KLA-Tencor Corporation
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
Systems and Methods for Enhancing Inspection Sensitivity of an Insp...
Publication number
20160275671
Publication date
Sep 22, 2016
KLA-Tencor Corporation
Shifang Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR SEMICONDUCTOR WAFER INSPECTION AND METROLOGY
Publication number
20160202177
Publication date
Jul 14, 2016
KLA-Tencor Corporation
Shifang LI
G01 - MEASURING TESTING
Information
Patent Application
LINE SCAN KNIFE EDGE HEIGHT SENSOR FOR SEMICONDUCTOR INSPECTION AND...
Publication number
20160178514
Publication date
Jun 23, 2016
KLA-Tencor Corporation
Shifang LI
G01 - MEASURING TESTING
Information
Patent Application
Automated Inline Inspection of Wafer Edge Strain Profiles Using Rap...
Publication number
20150371910
Publication date
Dec 24, 2015
KLA-Tencor Corporation
Timothy Goodwin
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL METROLOGY WITH MULTIPLE ANGLES OF INCIDENCE AND/OR AZUMITH...
Publication number
20150153165
Publication date
Jun 4, 2015
Nanometrics Incorporated
Zhuan Liu
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM FOR IN-SITU FILM STACK MEASUREMENT DURING ETCHING AND ETCH C...
Publication number
20140024143
Publication date
Jan 23, 2014
TOKYO ELECTRON LIMITED
Shifang LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF REGENERATING DIFFRACTION SIGNALS FOR OPTICAL METROLOGY SY...
Publication number
20130151440
Publication date
Jun 13, 2013
TOKYO ELECTRON LIMITED
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
PROCESS CONTROL USING RAY TRACING-BASED LIBRARIES AND MACHINE LEARN...
Publication number
20130148130
Publication date
Jun 13, 2013
TOKYO ELECTRON LIMITED
SHIFANG LI
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF ENHANCING AN OPTICAL METROLOGY SYSTEM USING RAY TRACING A...
Publication number
20130151211
Publication date
Jun 13, 2013
TOKYO ELECTRON LIMITED
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
OVERLAY MEASUREMENT FOR A DOUBLE PATTERNING
Publication number
20130084655
Publication date
Apr 4, 2013
Hongyu Henry Yue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
AUTOMATED PROCESS CONTROL USING AN ADJUSTED METROLOGY OUTPUT SIGNAL
Publication number
20110245955
Publication date
Oct 6, 2011
TOKYO ELECTRON LIMITED
SHIFANG LI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTIMIZATION OF RAY TRACING AND BEAM PROPAGATION PARAMETERS
Publication number
20110246142
Publication date
Oct 6, 2011
TOKYO ELECTRON LIMITED
SHIFANG LI
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM FOR OPTICAL METROLOGY OPTIMIZATION USING RAY TRACING
Publication number
20110246400
Publication date
Oct 6, 2011
TOKYO ELECTRON LIMITED
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF OPTICAL METROLOGY OPTIMIZATION USING RAY TRACING
Publication number
20110246141
Publication date
Oct 6, 2011
TOKYO ELECTRON LIMITED
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
OPTIMIZING SENSITIVITY OF OPTICAL METROLOGY MEASUREMENTS
Publication number
20100245807
Publication date
Sep 30, 2010
TOKYO ELECTRON LIMITED
SHIFANG LI
G01 - MEASURING TESTING
Information
Patent Application
COMPUTATION EFFICIENCY BY DIFFRACTION ORDER TRUNCATION
Publication number
20100042388
Publication date
Feb 18, 2010
Joerg Bischoff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Field Replaceable Units (FRUs) Optimized for Integrated Metrology (IM)
Publication number
20100007875
Publication date
Jan 14, 2010
TOKYO ELECTRON LIMITED
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
Pre-Aligned Metrology System and Modules
Publication number
20100007885
Publication date
Jan 14, 2010
TOKYO ELECTRON LIMITED
Shifang Li
G01 - MEASURING TESTING
Information
Patent Application
System and Method for Azimuth Angle Calibration
Publication number
20100010765
Publication date
Jan 14, 2010
TOKYO ELECTRON LIMITED
Shifang Li
G01 - MEASURING TESTING