Supervised by Prof. Melissa Orme
Dept. of Mechanical & Aerospace Engineering
University of California, Irvine, CA  92697-3975
(949) 824-8148, fax: (949) 824-8585

HIGH SPEED UNIFORM METALLIC BALL FORMATION

190 micron diameter solder balls generated from capillary stream break-up at a rate of 9,000 balls per second as illustrated below.