Inventor
LIU ZUOGUANG
US152 patents
⚠️ This page may combine multiple inventors who share the name “LIU ZUOGUANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
47 patentsUS9496225B1Nov 15, 2016
Recessed metal liner contact with copper fill
IBM409 citations99
US10056289B1Aug 21, 2018
Fabrication of vertical transport fin field effect transistors with a self-aligned separator and an isolation region with an air gap
IBM44 citations98
US9318581B1Apr 19, 2016
Forming wrap-around silicide contact on finFET
IBM82 citations98
US10566246B1Feb 18, 2020
Shared contact trench comprising dual silicide layers and dual epitaxial layers for source/drain layers of NFET and PFET devices
IBM41 citations95
US10084094B1Sep 25, 2018
Wrapped source/drain contacts with enhanced area
IBM17 citations94
US10020381B1Jul 10, 2018
Embedded bottom metal contact formed by a self-aligned contact process for vertical transistors
IBM17 citations94
US9805989B1Oct 31, 2017
Sacrificial cap for forming semiconductor contact
IBM29 citations94
US9768077B1Sep 19, 2017
Low resistance dual liner contacts for Fin Field-Effect Transistors (FinFETs)
IBM21 citations94
US9397197B1Jul 19, 2016
Forming wrap-around silicide contact on finFET
IBM28 citations94
US9806155B1Oct 31, 2017
Split fin field effect transistor enabling back bias on fin type field effect transistors
IBM13 citations93
US9768085B1Sep 19, 2017
Top contact resistance measurement in vertical FETs
IBM17 citations93
US9704754B1Jul 11, 2017
Self-aligned spacer for cut-last transistor fabrication
IBM13 citations93
US9608069B1Mar 28, 2017
Self aligned epitaxial based punch through control
IBM20 citations93
US9484256B1Nov 1, 2016
Pure boron for silicide contact
IBM13 citations93
US9455317B1Sep 27, 2016
Nanowire semiconductor device including lateral-etch barrier region
IBM14 citations93
US9190466B2Nov 17, 2015
Independent gate vertical FinFET structure
IBM19 citations93
US10381262B2Aug 13, 2019
Fabrication of vertical transport fin field effect transistors with a self-aligned separator and an isolation region with an air gap
IBM6 citations84
US10224417B2Mar 5, 2019
Fin field effect transistor fabrication and devices having inverted T-shaped gate
IBM4 citations84
US9978750B1May 22, 2018
Low resistance source/drain contacts for complementary metal oxide semiconductor (CMOS) devices
IBM11 citations84
US9972682B2May 15, 2018
Low resistance source drain contact formation
IBM13 citations84
US9917060B1Mar 13, 2018
Forming a contact for a semiconductor device
IBM11 citations84
US9893171B2Feb 13, 2018
Fin field effect transistor fabrication and devices having inverted T-shaped gate
IBM7 citations84
US9871041B1Jan 16, 2018
Fabrication of vertical doped fins for complementary metal oxide semiconductor field effect transistors
IBM8 citations84
US9870958B2Jan 16, 2018
Forming CMOSFET structures with different contact liners
IBM4 citations84
US9805973B2Oct 31, 2017
Dual silicide liner flow for enabling low contact resistance
IBM6 citations84
US9673293B1Jun 6, 2017
Airgap spacers
IBM10 citations84
US9620644B2Apr 11, 2017
Composite spacer enabling uniform doping in recessed fin devices
IBM5 citations84
US9570574B1Feb 14, 2017
Recessed metal liner contact with copper fill
IBM6 citations84
US9559191B2Jan 31, 2017
Punch through stopper in bulk finFET device
IBM6 citations84
US9520363B1Dec 13, 2016
Forming CMOSFET structures with different contact liners
IBM4 citations84
US9502309B1Nov 22, 2016
Forming CMOSFET structures with different contact liners
IBM10 citations84
US9502523B1Nov 22, 2016
Nanowire semiconductor device including lateral-etch barrier region
IBM4 citations84
US9484431B1Nov 1, 2016
Pure boron for silicide contact
IBM8 citations84
US9412641B1Aug 9, 2016
FinFET having controlled dielectric region height
IBM10 citations84
US9362407B1Jun 7, 2016
Symmetrical extension junction formation with low-K spacer and dual epitaxial process in FinFET device
IBM9 citations84
US9331146B2May 3, 2016
Silicon nanowire formation in replacement metal gate process
IBM12 citations84
US9252044B2Feb 2, 2016
Shallow trench isolation for end fin variation control
IBM5 citations84
US9252145B2Feb 2, 2016
Independent gate vertical FinFET structure
IBM8 citations84
US9196612B2Nov 24, 2015
Semiconductor device including merged-unmerged work function metal and variable fin pitch
IBM8 citations84
US11545624B2Jan 3, 2023
Phase change memory cell resistive liner
IBM2 citations73
US11164787B2Nov 2, 2021
Two-stage top source drain epitaxy formation for vertical field effect transistors enabling gate last formation
IBM4 citations73
US10985073B2Apr 20, 2021
Vertical field effect transistor replacement metal gate fabrication
IBM4 citations73
US10957605B2Mar 23, 2021
VFET device design for top contact resistance measurement
IBM4 citations73
US10950492B2Mar 16, 2021
Fabrication of vertical transport fin field effect transistors with a self-aligned separator and an isolation region with an air gap
IBM3 citations73
US10622257B2Apr 14, 2020
VFET device design for top contact resistance measurement
IBM2 citations73
US10559491B2Feb 11, 2020
Fabrication of vertical transport fin field effect transistors with a self-aligned separator and an isolation region with an air gap
IBM2 citations73
US10510617B2Dec 17, 2019
CMOS VFET contacts with trench solid and liquid phase epitaxy
IBM3 citations73
GLOBALFOUNDRIES INC
2 patentsTESSERA LLC
1 patentShowing the top 50 of 152 patents by PatentIndex Score.