Memory cell of nonvolatile semiconductor memory device Grant US-8030701-B2 United States of America 04 Oct 2011
Dielectric material forming methods and enhanced dielectric materials Grant US-7052953-B2 United States of America 30 May 2006
ULSI MOS with high dielectric constant gate insulator Grant US-6727148-B1 United States of America 27 Apr 2004