Seung Hoon Lee, Seok Woo Lee, Hyuk-Jun Kwon, Kwang-Cheol Lee, and Seung S. Lee, “Thermal Frequency Tuning of Microactuator with Polymer Membrane,” The Korean Society of Mechanical Engineers (KSME), November 5-7, Kangwon, South Korea, 2008 / Proceedings of KSME, 11 pp.1857-1862.