1. Ph.D. Candidate, Electronic Packaging Laboratory, Univ. at Buffalo, State Univ. of New York (SUNY), Buffalo, NY 14260.
2. Associate Professor, Faculty of Engineering, Alexandria Univ., Alexandria 21526, Egypt.
3. Electronic Packaging Laboratory, Univ. at Buffalo, State Univ. of New York (SUNY), Buffalo, NY 14260.
4. Professor, Electronic Packaging Laboratory, Univ. at Buffalo, State Univ. of New York (SUNY), Buffalo, NY 14260 (corresponding author).