Inventor
HWANG CHAN
KR32 patents
⚠️ This page may combine multiple inventors who share the name “HWANG CHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
30 patentsUS10600789B2Mar 24, 2020
Micro-pattern forming method, capacitor and method of manufacturing the same, semiconductor device and method of manufacturing the same, and electronic system including semiconductor device
SAMSUNG ELECTRONICS CO LTD10 citations82
US7361433B2Apr 22, 2008
Photomask for forming photoresist patterns repeating in two dimensions and method of fabricating the same
SAMSUNG ELECTRONICS CO LTD9 citations82
US7215471B2May 8, 2007
Diffractive optical element, illumination system comprising the same, and method of manufacturing semiconductor device using illumination system
SAMSUNG ELECTRONICS CO LTD5 citations73
US11537042B2Dec 27, 2022
Overlay correcting method, and photolithography method, semiconductor device manufacturing method and scanner system based on the overlay correcting method
SAMSUNG ELECTRONICS CO LTD3 citations72
US10566252B2Feb 18, 2020
Overlay-correction method and a control system using the same
SAMSUNG ELECTRONICS CO LTD2 citations72
US9747682B2Aug 29, 2017
Methods for measuring overlays
SAMSUNG ELECTRONICS CO LTD3 citations72
US10644006B1May 5, 2020
Micro-pattern forming method, capacitor and method of manufacturing the same, semiconductor device and method of manufacturing the same, and electronic system including semiconductor device
SAMSUNG ELECTRONICS CO LTD2 citations71
US10204912B2Feb 12, 2019
Micro-pattern forming method, capacitor and method of manufacturing the same, semiconductor device and method of manufacturing the same, and electronic system including semiconductor device
SAMSUNG ELECTRONICS CO LTD2 citations71
US11422455B2Aug 23, 2022
EUV exposure apparatus, and overlay correction method and semiconductor device fabricating method using the same
SAMSUNG ELECTRONICS CO LTD2 citations70
US11137673B1Oct 5, 2021
EUV exposure apparatus, and overlay correction method and semiconductor device fabricating method using the same
SAMSUNG ELECTRONICS CO LTD4 citations70
US11327395B2May 10, 2022
Semiconductor device
SAMSUNG ELECTRONICS CO LTD0 citations62
US10620528B2Apr 14, 2020
Method of fabricating phase shift mask and method of fabricating semiconductor device
SAMSUNG ELECTRONICS CO LTD1 citations62
US11921421B2Mar 5, 2024
Overlay correcting method, and photolithography method, semiconductor device manufacturing method and scanner system based on the overlay correcting method
SAMSUNG ELECTRONICS CO LTD0 citations61
US7139064B2Nov 21, 2006
Optical system for providing a hexapole illumination and method of forming a photoresist pattern on a substrate using the same
SAMSUNG ELECTRONICS CO LTD2 citations61
US12585199B2Mar 24, 2026
Overlay correction method, and exposure method and semiconductor device manufacturing method including overlay correction method
SAMSUNG ELECTRONICS CO LTD0 citations60
US12451352B2Oct 21, 2025
Method for fabricating semiconductor device
SAMSUNG ELECTRONICS CO LTD1 citations59
US12300490B2May 13, 2025
Method of manufacturing integrated circuit device
SAMSUNG ELECTRONICS CO LTD0 citations59
US7799490B2Sep 21, 2010
Optical masks and methods for measuring aberration of a beam
SAMSUNG ELECTRONICS CO LTD0 citations52
US7670725B2Mar 2, 2010
Optical masks and methods for measuring aberration of a beam
SAMSUNG ELECTRONICS CO LTD0 citations52
US11960212B2Apr 16, 2024
Extreme ultraviolet lithography device and method of operating extreme ultraviolet lithography device
SAMSUNG ELECTRONICS CO LTD0 citations51
US7336420B2Feb 26, 2008
Diffractive optical element, illumination system comprising the same, and method of manufacturing semiconductor device using illumination system
SAMSUNG ELECTRONICS CO LTD0 citations51
US11456222B2Sep 27, 2022
Overlay correction method and semiconductor fabrication method including the same
SAMSUNG ELECTRONICS CO LTD0 citations49
US7932019B2Apr 26, 2011
Gettering members, methods of forming the same, and methods of performing immersion lithography using the same
SAMSUNG ELECTRONICS CO LTD0 citations49
US11733601B2Aug 22, 2023
EUV photomask and method of forming mask pattern using the same
SAMSUNG ELECTRONICS CO LTD0 citations48
US9281250B2Mar 8, 2016
Method of detecting an asymmetric portion of an overlay mark and method of measuring an overlay including the same
SAMSUNG ELECTRONICS CO LTD0 citations48
US12593660B2Mar 31, 2026
Method of manufacturing semiconductor device
SAMSUNG ELECTRONICS CO LTD0 citations47
US10825777B2Nov 3, 2020
Method of fabricating a semiconductor device with an overlay key pattern
SAMSUNG ELECTRONICS CO LTD0 citations47
US11635697B2Apr 25, 2023
Semiconductor device manufacturing system
SAMSUNG ELECTRONICS CO LTD0 citations44
US12572084B2Mar 10, 2026
Methods of determining overlayer reference wavelength
SAMSUNG ELECTRONICS CO LTD0 citations41
US10119811B2Nov 6, 2018
Alignment mark, method of measuring wafer alignment, and method of manufacturing a semiconductor device using the method of measuring wafer alignment
SAMSUNG ELECTRONICS CO LTD0 citations41