Inventor
BAO RUQIANG
US187 patents
⚠️ This page may combine multiple inventors who share the name “BAO RUQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
46 patentsUS10490559B1Nov 26, 2019
Gate formation scheme for nanosheet transistors having different work function metals and different nanosheet width dimensions
IBM71 citations98
US9997519B1Jun 12, 2018
Dual channel structures with multiple threshold voltages
IBM102 citations98
US10797163B1Oct 6, 2020
Leakage control for gate-all-around field-effect transistor devices
IBM26 citations94
US10276687B1Apr 30, 2019
Formation of self-aligned bottom spacer for vertical transistors
IBM15 citations94
US10020254B1Jul 10, 2018
Integration of super via structure in BEOL
IBM39 citations94
US10020255B1Jul 10, 2018
Integration of super via structure in BEOL
IBM36 citations94
US10002791B1Jun 19, 2018
Multi-layer work function metal gates with similar gate thickness to achieve multi-Vt for vFETS
IBM20 citations94
US9960272B1May 1, 2018
Bottom contact resistance reduction on VFET
IBM27 citations94
US9502307B1Nov 22, 2016
Forming a semiconductor structure for reduced negative bias temperature instability
IBM36 citations94
US9704754B1Jul 11, 2017
Self-aligned spacer for cut-last transistor fabrication
IBM13 citations93
US9922984B1Mar 20, 2018
Threshold voltage modulation through channel length adjustment
IBM10 citations92
US10741401B1Aug 11, 2020
Self-aligned semiconductor gate cut
IBM14 citations86
US10395988B1Aug 27, 2019
Vertical FET transistor with reduced source/drain contact resistance
IBM16 citations86
US10930734B2Feb 23, 2021
Nanosheet FET bottom isolation
IBM6 citations84
US10777469B2Sep 15, 2020
Self-aligned top spacers for vertical FETs with in situ solid state doping
IBM8 citations84
US10692873B2Jun 23, 2020
Gate formation scheme for nanosheet transistors having different work function metals and different nanosheet width dimensions
IBM6 citations84
US10692990B2Jun 23, 2020
Gate cut in RMG
IBM5 citations84
US10680083B2Jun 9, 2020
Oxide isolated fin-type field-effect transistors
IBM6 citations84
US10553700B2Feb 4, 2020
Gate cut in RMG
IBM6 citations84
US10546787B2Jan 28, 2020
Multi-metal dipole doping to offer multi-threshold voltage pairs without channel doping for highly scaling CMOS device
IBM6 citations84
US10529815B2Jan 7, 2020
Conformal replacement gate electrode for short channel devices
IBM7 citations84
US10373912B2Aug 6, 2019
Replacement metal gate processes for vertical transport field-effect transistor
IBM10 citations84
US10236219B1Mar 19, 2019
VFET metal gate patterning for vertical transport field effect transistor
IBM7 citations84
US10204828B1Feb 12, 2019
Enabling low resistance gates and contacts integrated with bilayer dielectrics
IBM8 citations84
US10128347B2Nov 13, 2018
Gate-all-around field effect transistor having multiple threshold voltages
IBM6 citations84
US10074574B2Sep 11, 2018
Integrated circuit with replacement gate stacks and method of forming same
IBM5 citations84
US10008417B1Jun 26, 2018
Vertical transport fin field effect transistors having different channel lengths
IBM11 citations84
US9922983B1Mar 20, 2018
Threshold voltage modulation through channel length adjustment
IBM10 citations84
US9576958B1Feb 21, 2017
Forming a semiconductor structure for reduced negative bias temperature instability
IBM6 citations84
US10276452B1Apr 30, 2019
Low undercut N-P work function metal patterning in nanosheet replacement metal gate process
IBM13 citations83
US12176348B2Dec 24, 2024
Self-aligned hybrid substrate stacked gate-all-around transistors
IBM2 citations73
US11456415B2Sep 27, 2022
Phase change memory cell with a wrap around and ring type of electrode contact and a projection liner
IBM4 citations73
US11329136B2May 10, 2022
Enabling anneal for reliability improvement and multi-Vt with interfacial layer regrowth suppression
IBM2 citations73
US11289573B2Mar 29, 2022
Contact resistance reduction in nanosheet device structure
IBM5 citations73
US11282838B2Mar 22, 2022
Stacked gate structures
IBM2 citations73
US11271106B2Mar 8, 2022
Replacement metal gate process for vertical transport field-effect transistor with self-aligned shared contacts
IBM4 citations73
US11251285B2Feb 15, 2022
Approach to control over-etching of bottom spacers in vertical fin field effect transistor devices
IBM4 citations73
US11195762B2Dec 7, 2021
Multi-metal dipole doping to offer multi-threshold voltage pairs without channel doping for highly scaling CMOS device
IBM2 citations73
US11189616B2Nov 30, 2021
Multi-threshold voltage non-planar complementary metal-oxtde-semiconductor devices
IBM2 citations73
US10943989B2Mar 9, 2021
Gate to source/drain leakage reduction in nanosheet transistors via inner spacer optimization
IBM3 citations73
US10892339B2Jan 12, 2021
Gate first technique in vertical transport FET using doped silicon gates with silicide
IBM2 citations73
US10833146B2Nov 10, 2020
Horizontal-trench capacitor
IBM2 citations73
US10790271B2Sep 29, 2020
Perpendicular stacked field-effect transistor device
IBM3 citations73
US10741663B1Aug 11, 2020
Encapsulation layer for vertical transport field-effect transistor gate stack
IBM6 citations73
US10692778B2Jun 23, 2020
Gate-all-around FETs having uniform threshold voltage
IBM4 citations73
US10672910B2Jun 2, 2020
Threshold voltage adjustment from oxygen vacancy by scavenge metal filling at gate cut (CT)
IBM3 citations73
GLOBALFOUNDRIES INC
4 patentsUS9343372B1May 17, 2016
Metal stack for reduced gate resistance
GLOBALFOUNDRIES INC23 citations92
US9905476B2Feb 27, 2018
Alternative threshold voltage scheme via direct metal gate patterning for high performance CMOS FinFETs
GLOBALFOUNDRIES INC9 citations84
US9589806B1Mar 7, 2017
Integrated circuit with replacement gate stacks and method of forming same
GLOBALFOUNDRIES INC10 citations84
US9553092B2Jan 24, 2017
Alternative threshold voltage scheme via direct metal gate patterning for high performance CMOS FinFETs
GLOBALFOUNDRIES INC15 citations84
Showing the top 50 of 187 patents by PatentIndex Score.