International Business Machines Corporation
SOLDER BALL DIMENSION MANAGEMENT

Abstract:

A solder ball assembly can include a first spring element having a first shape and formed from a first elastic electrically conductive material. The solder ball assembly can also include a second spring element having a second shape and formed from a second elastic electrically conductive material. The second spring element is mechanically attached to the first spring element to form a spring assembly. The solder ball can be configured to enclose the spring assembly.