Delay measurement circuit and measuring method thereof Grant US-10209298-B2 United States of America 19 Feb 2019
Circuit and method for monolithic stacked integrated circuit testing Grant US-9599670-B2 United States of America 21 Mar 2017
Test architecture for characterizing interconnects in stacked designs Grant US-9335376-B2 United States of America 10 May 2016
Circuit And Method For Monolithic Stacked Integrated Circuit Testing Application US-20150077147-A1 United States of America 19 Mar 2015