Email: jason@talkelab.ucsd.edu Phone: 858-534-7578 Fax: 858-534-2720 Address: University of California, San Diego Mail Code #0401 9500 Gilman Dr. La Jolla, CA, 92093-0401

Biography of Jason H Wang

Jason worked in the semiconductor industry for 10 years when he decided to pursue his PhD. in mechanical engineering at The University of California, San Diego. He worked as a mechanical engineer and designed test handling machines to test electronic chips for Delta Design, ESI, and Aetrium/Symtek in San Diego, California. He has been awarded three patents for various designs of test handling equipment. He received a Masters of Science degree in mechanical engineering from The New Jersey Institute of Technology and a Bachelors of Science degree from Tankang University, Taipei, Taiwan.

While at CMRR, Jason's research concentrated on tape edge wear. The tape edge wear results in an increase in tape's lateral motion, which limits the maximum track density of digital tape. To understand this issue, he developed a quantitative method to measure tape edge wear to nanometer accuracy using Atomic Force Microscopy. His method was applied to research the effect of the number of wear cycles, contact force, speed, and etc. on tape edges wear. He used Scanning Electronic Microscopy to reveal the mechanism of tape edge wear. A tester was developed and used to accelerate tape edge wear. A wear equation was derived to simulate and predict tape edge wear. His research provides a comprehensive investigation of tape edge wear and will greatly improve track density of future tapes.

• Research: Lateral Tape Edge Motion and Tape Edge Wear