Inventor

CHEUNG DAVID WINGTO

US2 patents

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

LAM RES CORP

1 patent

US11062897B2Jul 13, 2021

Metal doped carbon based hard mask removal in semiconductor fabrication

LAM RES CORP4 citations67

QIU HUATAN

1 patent

US8273259B1Sep 25, 2012

Ashing method

QIU HUATAN1 citations45