Inventor
CHENG JOY
TW76 patents
⚠️ This page may combine multiple inventors who share the name “CHENG JOY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIWAN SEMICONDUCTOR MFG CO LTD
19 patentsUS10073347B1Sep 11, 2018
Semiconductor method of protecting wafer from bevel contamination
TAIWAN SEMICONDUCTOR MFG CO LTD19 citations94
US11300878B2Apr 12, 2022
Photoresist developer and method of developing photoresist
TAIWAN SEMICONDUCTOR MFG CO LTD6 citations86
US11054742B2Jul 6, 2021
EUV metallic resist performance enhancement via additives
TAIWAN SEMICONDUCTOR MFG CO LTD4 citations84
US10866511B2Dec 15, 2020
Extreme ultraviolet photolithography method with developer composition
TAIWAN SEMICONDUCTOR MFG CO LTD10 citations84
US10515812B1Dec 24, 2019
Methods of reducing pattern roughness in semiconductor fabrication
TAIWAN SEMICONDUCTOR MFG CO LTD6 citations84
US9812358B1Nov 7, 2017
FinFET structures and methods of forming the same
TAIWAN SEMICONDUCTOR MFG CO LTD13 citations83
US12253800B2Mar 18, 2025
EUV metallic resist performance enhancement via additives
TAIWAN SEMICONDUCTOR MFG CO LTD1 citations75
US11822238B2Nov 21, 2023
Extreme ultraviolet photolithography method with developer composition
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations73
US11681226B2Jun 20, 2023
Metal-compound-removing solvent and method in lithography
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations73
US10866516B2Dec 15, 2020
Metal-compound-removing solvent and method in lithography
TAIWAN SEMICONDUCTOR MFG CO LTD3 citations73
US10741410B2Aug 11, 2020
Material composition and methods thereof
TAIWAN SEMICONDUCTOR MFG CO LTD3 citations73
US10622211B2Apr 14, 2020
Metal-compound-removing solvent and method in lithography
TAIWAN SEMICONDUCTOR MFG CO LTD4 citations73
US10274847B2Apr 30, 2019
Humidity control in EUV lithography
TAIWAN SEMICONDUCTOR MFG CO LTD2 citations73
US9684236B1Jun 20, 2017
Method of patterning a film layer
TAIWAN SEMICONDUCTOR MFG CO LTD4 citations73
US12360456B2Jul 15, 2025
EUV metallic resist performance enhancement via additives
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations63
US12210286B2Jan 28, 2025
Metal-compound-removing solvent and method in lithography
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations63
US12181798B2Dec 31, 2024
Extreme ultraviolet photolithography method with developer composition
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations63
US11307504B2Apr 19, 2022
Humidity control in EUV lithography
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations63
US11137685B2Oct 5, 2021
Semiconductor method of protecting wafer from bevel contamination
TAIWAN SEMICONDUCTOR MFG CO LTD0 citations63
IBM
16 patentsUS7521094B1Apr 21, 2009
Method of forming polymer features by directed self-assembly of block copolymers
IBM115 citations98
US7521090B1Apr 21, 2009
Method of use of epoxy-containing cycloaliphatic acrylic polymers as orientation control layers for block copolymer thin films
IBM158 citations98
US9159558B2Oct 13, 2015
Methods of reducing defects in directed self-assembled structures
IBM65 citations97
US9576817B1Feb 21, 2017
Pattern decomposition for directed self assembly patterns templated by sidewall image transfer
IBM40 citations94
US7763319B2Jul 27, 2010
Method of controlling orientation of domains in block copolymer films
IBM18 citations92
US7651735B2Jan 26, 2010
Orienting, positioning, and forming nanoscale structures
IBM13 citations84
US9458353B1Oct 4, 2016
Additives for orientation control of block copolymers
IBM8 citations83
US9107291B2Aug 11, 2015
Formation of a composite pattern including a periodic pattern self-aligned to a prepattern
IBM13 citations83
US8715917B2May 6, 2014
Simultaneous photoresist development and neutral polymer layer formation
IBM8 citations81
US9911603B2Mar 6, 2018
Pattern decomposition for directed self assembly patterns templated by sidewall image transfer
IBM2 citations73
US9659824B2May 23, 2017
Graphoepitaxy directed self-assembly process for semiconductor fin formation
IBM2 citations73
US10059820B2Aug 28, 2018
Hybrid topographical and chemical pre-patterns for directed self-assembly of block copolymers
IBM3 citations72
US9879152B2Jan 30, 2018
Block copolymers for directed self-assembly applications
IBM2 citations72
US9574107B2Feb 21, 2017
Fluoro-alcohol additives for orientation control of block copolymers
IBM3 citations72
US9556353B2Jan 31, 2017
Orientation control materials for block copolymers used in directed self-assembly applications
IBM4 citations72
US9738765B2Aug 22, 2017
Hybrid topographical and chemical pre-patterns for directed self-assembly of block copolymers
IBM4 citations71
CHENG JOY
13 patentsUS8114306B2Feb 14, 2012
Method of forming sub-lithographic features using directed self-assembly of polymers
CHENG JOY73 citations97
US8226838B2Jul 24, 2012
Method of forming polymer features by directed self-assembly of block copolymers
CHENG JOY40 citations94
US8828493B2Sep 9, 2014
Methods of directed self-assembly and layered structures formed therefrom
CHENG JOY21 citations92
US8491965B2Jul 23, 2013
Method of controlling orientation of domains in block copolymer films
CHENG JOY17 citations92
US8336003B2Dec 18, 2012
Method for designing optical lithography masks for directed self-assembly
CHENG JOY37 citations92
US8821978B2Sep 2, 2014
Methods of directed self-assembly and layered structures formed therefrom
CHENG JOY13 citations84
US8727135B2May 20, 2014
Composite filtration membranes and methods of preparation thereof
CHENG JOY9 citations84
US8623458B2Jan 7, 2014
Methods of directed self-assembly, and layered structures formed therefrom
CHENG JOY13 citations84
US8856693B2Oct 7, 2014
Method for designing optical lithography masks for directed self-assembly
CHENG JOY14 citations83
US8734904B2May 27, 2014
Methods of forming topographical features using segregating polymer mixtures
CHENG JOY9 citations83
US8398868B2Mar 19, 2013
Directed self-assembly of block copolymers using segmented prepatterns
CHENG JOY14 citations83
US8084193B2Dec 27, 2011
Self-segregating multilayer imaging stack with built-in antireflective properties
CHENG JOY11 citations80
US8529779B2Sep 10, 2013
Methods for forming surface features using self-assembling masks
CHENG JOY2 citations63
BOREALIS AG
2 patentsShowing the top 50 of 76 patents by PatentIndex Score.