“…However, these methods are difficult to apply for deformation measurements from a microscopic aspect. To measure the micro-deformation in a very small area, the authors have developed an electron Moiré method (Kishimoto et al, 1991(Kishimoto et al, , 1993 , and J.W. Dally, D. T. Read (Read & Dally, 1994; and H. Xie (Xie et al, 2007) advocated it.…”