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

Claim 4:
5. An optical device comprising:
a support portion;
a first movable portion having an optical surface;
a first coupling portion coupling the first movable portion and the support portion to each other so as for the first movable portion to be swingable around a first axis;
a drive element provided to at least one of the support portion and the first 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 first movable portion and formed by material different from material of the first movable portion,
wherein the softening member is disposed in a groove formed in the first movable portion or on a surface of the first movable portion and when viewed in a direction perpendicular to the optical surface, the softening member is provided to a portion of the first movable portion, extending between the optical surface and the first coupling portion, and is not electrically connected to the outside.