[J-6-3] Nonlinear Spring of Thin Film Torsion Bar with Tension for Micromirror M. Sasaki1, S. Kumagai1, M. Fujishima2, K. Hane2, H. Miura2 (1.Toyota Technological Inst.(Japan), 2.Tohoku Univ.(Japan)) https://doi.org/10.7567/SSDM.2009.J-6-3