Patent ID: 8755106

Claim:
A microelectromechanical system (MEMS) device, comprising: a positioning mechanism comprising: a first arm structure having a first surface and a second surface; a second arm structure having a first surface and a second surface; wherein the first surface of the first arm structure faces the first surface of the second arm structure; a first actuator disposed adjacent to the second surface of the first arm structure facing away from the second arm structure; and a second actuator disposed adjacent to the second surface of the second arm structure facing away from the first arm structure; a locking mechanism, comprising: a first pair of locking elements arranged such that each locking element is disposed at two opposite side surfaces of the first arm structure between the first and second surfaces of the first arm structure; and a second pair of locking elements arranged such that each locking element is disposed at two opposite side surfaces of the second arm structure between the first and second surfaces of the second arm structure; wherein the first and second pairs of locking elements are configured to engage with and disengage from the first and second arm structures respectively.