Inventor
FELIX NELSON
US50 patents
⚠️ This page may combine multiple inventors who share the name “FELIX NELSON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
48 patentsUS10347486B1Jul 9, 2019
Patterning material film stack with metal-containing top coat for enhanced sensitivity in extreme ultraviolet (EUV) lithography
IBM5 citations83
US11245027B2Feb 8, 2022
Bottom source/drain etch with fin-cut-last-VTFET
IBM1 citations73
US10741454B2Aug 11, 2020
Boundary protection for CMOS multi-threshold voltage devices
IBM2 citations73
US10388510B2Aug 20, 2019
Wet strippable OPL using reversible UV crosslinking and de-crosslinking
IBM3 citations73
US11037786B2Jun 15, 2021
Patterning material film stack with metal-containing top coat for enhanced sensitivity in extreme ultraviolet (EUV) lithography
IBM2 citations72
US11239077B2Feb 1, 2022
Litho-etch-litho-etch with self-aligned blocks
IBM2 citations71
US10545409B1Jan 28, 2020
Dynamic adjustment of post exposure bake during lithography utilizing real-time feedback for wafer exposure delay
IBM3 citations70
US12310100B2May 20, 2025
Dielectric reflow for boundary control
IBM0 citations63
US11515431B2Nov 29, 2022
Enabling residue free gap fill between nanosheets
IBM0 citations63
US10658521B2May 19, 2020
Enabling residue free gap fill between nanosheets
IBM1 citations63
US12021135B2Jun 25, 2024
Bottom source/drain etch with fin-cut-last-VTFET
IBM0 citations62
US12019376B2Jun 25, 2024
Polymer brush adhesion promoter with UV cleavable linker
IBM0 citations62
US11699592B2Jul 11, 2023
Inverse tone pillar printing method using organic planarizing layer pillars
IBM0 citations62
US11695059B2Jul 4, 2023
Bottom source/drain etch with fin-cut-last-VTFET
IBM0 citations62
US11681213B2Jun 20, 2023
EUV pattern transfer using graded hardmask
IBM0 citations62
US11682558B2Jun 20, 2023
Fabrication of back-end-of-line interconnects
IBM0 citations62
US11500293B2Nov 15, 2022
Patterning material film stack with hard mask layer configured to support selective deposition on patterned resist layer
IBM0 citations62
US11302573B2Apr 12, 2022
Semiconductor structure with fully aligned vias
IBM1 citations62
US11300881B2Apr 12, 2022
Line break repairing layer for extreme ultraviolet patterning stacks
IBM0 citations62
US11199778B2Dec 14, 2021
Polymer brush adhesion promoter with UV cleavable linker
IBM0 citations62
US11177130B2Nov 16, 2021
Patterning material film stack with metal-containing top coat for enhanced sensitivity in extreme ultraviolet (EUV) lithography
IBM0 citations62
US11133260B2Sep 28, 2021
Self-aligned top via
IBM0 citations62
US11131919B2Sep 28, 2021
Extreme ultraviolet (EUV) mask stack processing
IBM1 citations62
US11133195B2Sep 28, 2021
Inverse tone pillar printing method using polymer brush grafts
IBM0 citations62
US11121024B2Sep 14, 2021
Tunable hardmask for overlayer metrology contrast
IBM0 citations62
US10831102B2Nov 10, 2020
Photoactive polymer brush materials and EUV patterning using the same
IBM1 citations62
US11543751B2Jan 3, 2023
Organic photoresist adhesion to metal oxide hardmasks
IBM0 citations61
US11084032B2Aug 10, 2021
Method to create multilayer microfluidic chips using spin-on carbon as gap fill and spin-on glass tone inversion
IBM0 citations61
US10998192B2May 4, 2021
Sequential infiltration synthesis extreme ultraviolet single expose patterning
IBM0 citations61
US10950440B2Mar 16, 2021
Patterning directly on an amorphous silicon hardmask
IBM0 citations61
US11226561B2Jan 18, 2022
Self-priming resist for generic inorganic hardmasks
IBM0 citations60
US11804401B2Oct 31, 2023
Spacer-defined process for lithography-etch double patterning for interconnects
IBM0 citations59
US11164772B2Nov 2, 2021
Spacer-defined process for lithography-etch double patterning for interconnects
IBM0 citations59
US11067896B2Jul 20, 2021
Dynamic adjustment of post exposure bake during lithography utilizing real-time feedback for wafer exposure delay
IBM0 citations59
US11054250B2Jul 6, 2021
Multi-channel overlay metrology
IBM0 citations59
US11195995B2Dec 7, 2021
Back-end-of-line compatible processing for forming an array of pillars
IBM0 citations52
US10748823B2Aug 18, 2020
Embedded etch rate reference layer for enhanced etch time precision
IBM0 citations52
US10656527B2May 19, 2020
Patterning material film stack with hard mask layer configured to support selective deposition on patterned resist layer
IBM0 citations52
US10622248B2Apr 14, 2020
Tunable hardmask for overlayer metrology contrast
IBM0 citations52
US10586697B2Mar 10, 2020
Wet strippable OPL using reversible UV crosslinking and de-crosslinking
IBM0 citations52
US12563817B2Feb 24, 2026
Integrating gate-cuts and single diffusion break isolation post-RMG using low-temperature protective liners
IBM0 citations51
US11192101B2Dec 7, 2021
Method to create multilayer microfluidic chips using spin-on carbon as gap filling materials
IBM0 citations51
US10755926B2Aug 25, 2020
Patterning directly on an amorphous silicon hardmask
IBM0 citations51
US10354922B1Jul 16, 2019
Simplified block patterning with wet strippable hardmask for high-energy implantation
IBM0 citations51
US10578981B2Mar 3, 2020
Post-lithography defect inspection using an e-beam inspection tool
IBM0 citations50
US10437951B2Oct 8, 2019
Care area generation by detection optimized methodology
IBM0 citations50
US10755928B2Aug 25, 2020
Fabricating electrically nonconductive blocks using a polymer brush and a sequential infiltration synthesis process
IBM0 citations40
US10768532B2Sep 8, 2020
Co-optimization of lithographic and etching processes with complementary post exposure bake by laser annealing
IBM0 citations39