Patent ID: 7199593

Claim:
A method of testing an electrical component, comprising: providing a network analyzer for testing of the electrical component, the network analyzer including a first port, a second port, and a coaxial probe connected to one of the first port and the second port for establishing electrical contact on one or more electrical leads of an electrical component device under test; providing a test substrate comprising: a plurality of leads formed on the substrate, each lead of the plurality of leads at least including a conductive trace formed on a surface of the substrate, a conductive via extending through the substrate having one end thereof electrically connected to the conductive trace, and a ball lead formed on an opposing surface of the substrate and in electrical communication with an opposing end of the conductive via; and a central conductive plane formed on at least a portion of the surface of the substrate, the conductive trace of each lead of the plurality of leads electrically connected to the central conductive plane; and measuring parasitic inductance of an electrical lead of the plurality of leads of the substrate using the coaxial probe of the network analyzer to contact a portion of the electrical component device under test and to contact a portion of the electrical lead.