Patent ID: 11899199
Assignee: HAMAMATSU PHOTONICS K.K.
Field: Optics (Instruments)
Classification: CPC G  B  H | IPC B  G

Claim 0:
1. An optical device comprising:
a support portion;
a first movable portion having an optical surface;
a second movable portion having a frame shape and surrounding the first movable portion;
a first coupling portion coupling the first movable portion and the second movable portion to each other so as for the first movable portion to be swingable around a first axis;
a second coupling portion coupling the second movable portion and the support portion to each other;
a drive element provided to the second movable portion and electrically connected to an outside; and
a softening member which has a softening characteristic and to which stress is applied when the first movable portion swings around the first axis, the softening member being a member different from the second movable portion and formed by material different from material of the second movable portion,
wherein the softening member is disposed in a groove formed in the second movable portion or on a surface of the second movable portion and when viewed in a direction perpendicular to the optical surface, the softening member is provided to a portion of the second movable portion, extending between the drive element and the first coupling portion, and is not electrically connected to the outside.