Browse Prior Art Database

RF Impedance Measurement Technique For Solder Testing

IP.com Disclosure Number: IPCOM000053437D
Original Publication Date: 1980-Jan-01
Included in the Prior Art Database: 2005-Feb-12

Publishing Venue

IBM

Related People

Authors:
Carle, JF [+details]

Abstract

It has been noticed that alternating current in the 200 MHz frequency range has a penetration depth of about 15 microns in the standard 95/5 Pb-Sn solder ball contacts widely used in flip-chip interconnection techniques.