Inventor

CHAO CHUNYUAN

US3 patents

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

PROMOS TECHNOLOGIES INC

2 patents

US7297628B2Nov 20, 2007

Dynamically controllable reduction of vertical contact diameter through adjustment of etch mask stack for dielectric etch

PROMOS TECHNOLOGIES INC14 citations78

US7375027B2May 20, 2008

Method of providing contact via to a surface

PROMOS TECHNOLOGIES INC2 citations60

TAIWAN SEMICONDUCTOR MFG

1 patent

US9123612B2Sep 1, 2015

Semiconductor structure and manufacturing method thereof

TAIWAN SEMICONDUCTOR MFG2 citations54