P

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 patents
US10073347B1Sep 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 patents
US7521094B1Apr 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 patents
US8114306B2Feb 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 patents

Showing the top 50 of 76 patents by PatentIndex Score.