Inventor
ROY SUSMIT SINGHA
US35 patents
⚠️ This page may combine multiple inventors who share the name “ROY SUSMIT SINGHA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLIED MATERIALS INC
33 patentsUS10083834B2Sep 25, 2018
Methods of forming self-aligned vias
APPLIED MATERIALS INC64 citations98
US10930493B2Feb 23, 2021
Linerless continuous amorphous metal films
APPLIED MATERIALS INC2 citations73
US10529568B2Jan 7, 2020
PECVD tungsten containing hardmask films and methods of making
APPLIED MATERIALS INC2 citations73
US10403542B2Sep 3, 2019
Methods of forming self-aligned vias and air gaps
APPLIED MATERIALS INC4 citations73
US10312137B2Jun 4, 2019
Hardmask layer for 3D NAND staircase structure in semiconductor applications
APPLIED MATERIALS INC2 citations73
US10622221B2Apr 14, 2020
Methods of etching metal oxides with less etch residue
APPLIED MATERIALS INC2 citations72
US10504727B2Dec 10, 2019
Thick tungsten hardmask films deposition on high compressive/tensile bow wafers
APPLIED MATERIALS INC2 citations72
US10510547B2Dec 17, 2019
Metal and metal-derived films
APPLIED MATERIALS INC2 citations71
US12110584B2Oct 8, 2024
Low temperature growth of transition metal chalcogenides
APPLIED MATERIALS INC0 citations62
US12018364B2Jun 25, 2024
Super-conformal germanium oxide films
APPLIED MATERIALS INC0 citations62
US11781218B2Oct 10, 2023
Defect free germanium oxide gap fill
APPLIED MATERIALS INC0 citations62
US11594415B2Feb 28, 2023
PECVD tungsten containing hardmask films and methods of making
APPLIED MATERIALS INC0 citations62
US11462438B2Oct 4, 2022
Volumetric expansion of metal-containing films by silicidation
APPLIED MATERIALS INC0 citations62
US11414751B2Aug 16, 2022
Self-aligned structures from sub-oxides
APPLIED MATERIALS INC0 citations62
US11328928B2May 10, 2022
Conformal high concentration boron doping of semiconductors
APPLIED MATERIALS INC0 citations62
US11289374B2Mar 29, 2022
Nucleation-free gap fill ALD process
APPLIED MATERIALS INC1 citations62
US11177174B2Nov 16, 2021
Selective deposition of carbon films and uses thereof
APPLIED MATERIALS INC0 citations62
US11171047B2Nov 9, 2021
Fluorine-doped nitride films for improved high-k reliability
APPLIED MATERIALS INC0 citations62
US11094544B2Aug 17, 2021
Methods of forming self-aligned vias
APPLIED MATERIALS INC0 citations62
US11069568B2Jul 20, 2021
Ultra-thin diffusion barriers
APPLIED MATERIALS INC0 citations62
US10950498B2Mar 16, 2021
Selective and self-limiting tungsten etch process
APPLIED MATERIALS INC0 citations62
US10840186B2Nov 17, 2020
Methods of forming self-aligned vias and air gaps
APPLIED MATERIALS INC1 citations62
US10600684B2Mar 24, 2020
Ultra-thin diffusion barriers
APPLIED MATERIALS INC1 citations62
US11232955B2Jan 25, 2022
Methods of etching metal oxides with less etch residue
APPLIED MATERIALS INC0 citations61
US10998195B2May 4, 2021
Metal and metal-derived films
APPLIED MATERIALS INC0 citations61
US12438050B2Oct 7, 2025
Electronic device fabrication using area-selective deposition
APPLIED MATERIALS INC0 citations60
US11315943B2Apr 26, 2022
Bottom-up approach to high aspect ratio hole formation in 3D memory structures
APPLIED MATERIALS INC0 citations52
US11177164B2Nov 16, 2021
Self-aligned high aspect ratio structures and methods of making
APPLIED MATERIALS INC0 citations52
US10741435B2Aug 11, 2020
Oxidative volumetric expansion of metals and metal containing compounds
APPLIED MATERIALS INC0 citations52
US10410865B2Sep 10, 2019
Methods of forming self-aligned vias
APPLIED MATERIALS INC0 citations52
US10403502B2Sep 3, 2019
Boron doped tungsten carbide for hardmask applications
APPLIED MATERIALS INC0 citations52
US10319624B2Jun 11, 2019
Oxidative volumetric expansion of metals and metal containing compounds
APPLIED MATERIALS INC0 citations52
US12046468B2Jul 23, 2024
Conformal silicon-germanium film deposition
APPLIED MATERIALS INC0 citations51