| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical scanner in which the deflection angle of a variable part is made large and the break of a supporting part due to reaction force is prevented by suppressing the reduction in the displacement amount of a movable frame due to the reaction force applied on the supporting part of the movable frame when driving the variable part, and to provide an optical scanning apparatus with the optical scanner. SOLUTION: The optical scanner 1 has: a fixed frame 2, a mirror part 3; main axis parts 4a and 4b; and the movable frame 5. The movable frame 5 has a substantially rectangular annular structure, two parallel sides in the longitudinal direction are a pair of driving pieces 51a and 51b which can be bent in front and back direction (Z direction), and unimorph driving parts 6a and 6b are laminated, respectively. The substantially central parts of the driving pieces 51a and 51b are connected to supporting parts 2a and 2b projected from the inner edge of the fixed frame 2, respectively. The two other sides of the movable frame 5 are connecting pieces 52a and 52b connecting both ends of the driving pieces 51a and 51b, the main axis parts 4a and 4b passes through a rotation axis (X axis) to support the mirror part 3, and the ends of the respective main axis parts 4a and 4b are connected to the substantially central parts of the connecting pieces 52a and 52b, respectively. COPYRIGHT: (C)2009,JPO&INPIT
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