P

Inventor

YAN HONGWEN

US39 patents
⚠️ This page may combine multiple inventors who share the name “YAN HONGWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

28 patents
US6838347B1Jan 4, 2005

Method for reducing line edge roughness of oxide material using chemical oxide removal

IBM28 citations92
US6541320B2Apr 1, 2003

Method to controllably form notched polysilicon gate structures

IBM32 citations92
US6345399B1Feb 12, 2002

Hard mask process to prevent surface roughness for selective dielectric etching

IBM20 citations92
US7863123B2Jan 4, 2011

Direct contact between high-κ/metal gate and wiring process flow

IBM8 citations84
US7820552B2Oct 26, 2010

Advanced high-k gate stack patterning and structure containing a patterned high-k gate stack

IBM10 citations84
US7671421B2Mar 2, 2010

CMOS structure and method for fabrication thereof using multiple crystallographic orientations and gate materials

IBM8 citations84
US7435652B1Oct 14, 2008

Integration schemes for fabricating polysilicon gate MOSFET and high-K dielectric metal gate MOSFET

IBM11 citations84
US8018005B2Sep 13, 2011

CMOS (complementary metal oxide semiconductor) devices having metal gate NFETs and poly-silicon gate PFETs

IBM11 citations83
US7691701B1Apr 6, 2010

Method of forming gate stack and structure thereof

IBM16 citations83
US6509219B2Jan 21, 2003

Fabrication of notched gates by passivating partially etched gate sidewalls and then using an isotropic etch

IBM17 citations83
US7077903B2Jul 18, 2006

Etch selectivity enhancement for tunable etch resistant anti-reflective layer

IBM9 citations74
US6908806B2Jun 21, 2005

Gate metal recess for oxidation protection and parasitic capacitance reduction

IBM10 citations74
US10276384B2Apr 30, 2019

Plasma shallow doping and wet removal of depth control cap

IBM2 citations73
US7790559B2Sep 7, 2010

Semiconductor transistors having high-K gate dielectric layers and metal gate electrodes

IBM7 citations73
US7081393B2Jul 25, 2006

Reduced dielectric constant spacer materials integration for high speed logic gates

IBM8 citations73
US6294102B1Sep 25, 2001

Selective dry etch of a dielectric film

IBM10 citations69
US11575077B2Feb 7, 2023

Microfabricated air bridges for quantum circuits

IBM3 citations68
US7863124B2Jan 4, 2011

Residue free patterned layer formation method applicable to CMOS structures

IBM2 citations63
US7329602B2Feb 12, 2008

Wiring structure for integrated circuit with reduced intralevel capacitance

IBM6 citations63
US12048254B2Jul 23, 2024

Sacrificial material facilitating protection of a substrate in a qubit device

IBM0 citations61
US11018225B2May 25, 2021

III-V extension by high temperature plasma doping

IBM0 citations60
US9087927B2Jul 21, 2015

Thermally stable high-K tetragonal HFO2 layer within high aspect ratio deep trenches

IBM0 citations52
US7820555B2Oct 26, 2010

Method of patterning multilayer metal gate structures for CMOS devices

IBM1 citations52
US7438822B2Oct 21, 2008

Apparatus and method for shielding a wafer from charged particles during plasma etching

IBM0 citations52
US9240452B2Jan 19, 2016

Array and moat isolation structures and method of manufacture

IBM1 citations51
US7749830B2Jul 6, 2010

CMOS (complementary metal oxide semiconductor) devices having metal gate NFETS and poly-silicon gate PFETS

IBM0 citations51
US11882771B2Jan 23, 2024

Smooth metal layers in Josephson junction devices

IBM0 citations45
US10366918B2Jul 30, 2019

Self-aligned trench metal-alloying for III-V nFETs

IBM0 citations38

CHEN TZE-CHIANG

2 patents

ZHANG YING

1 patent

COOLBAUGH DOUGLAS D

1 patent

CHUDZIK MICHAEL P

1 patent

ADKISSON JAMES WILLIAM

1 patent

TOKYO ELECTRON LTD

1 patent

KHARE MUKESH V

1 patent

KUSABA NAOYOSHI

1 patent

VEGA REINALDO A

1 patent

DALTON TIMOTHY J

1 patent