HZ

Helen Zhu

Lam Research: 5 patents #10 of 181Top 6%
📍 Fremont, CA: #26 of 824 inventorsTop 4%
🗺 California: #757 of 26,868 inventorsTop 3%
Overall (2005): #7,392 of 245,428Top 4%
5
Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6962879 Method of plasma etching silicon nitride David R. Pirkle, S. M. Reza Sadjadi, Andrew S. Li 2005-11-08
6949460 Line edge roughness reduction for trench etch Eric Wagganer, Daniel Le, Peter Loewenhardt 2005-09-27
6949469 Methods and apparatus for the optimization of photo resist etching in a plasma processing system Yu-Huei Cheng, Vinay V. Phoray, Hanzhong Xiao, Peter Loewenhardt 2005-09-27
6916697 Etch back process using nitrous oxide Rao Annapragada 2005-07-12
6841483 Unique process chemistry for etching organic low-k materials James R. Bowers, Ian J. Morey, Wayne Babie, Michael Goss 2005-01-11