Patent ID: 11892705
Assignee: NIDEC CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 12:
13. A manufacturing method of an optical unit, the optical unit including
an optical element that changes a traveling direction of light,
a holder that holds the optical element,
a first support portion that supports the holder swingably about a first swing axis,
a first swing mechanism that swings the holder with respect to the first support portion about the first swing axis, and
an elastic portion that connects the holder and the first support portion,
the first support portion including a pair of side surface portions that are arranged on both sides of the holder in an axial direction of the first swing axis, and a connection portion that connects the pair of side surface portions,
the manufacturing method of the optical unit, comprising:
a process of attaching the optical element to the holder;
a process of arranging the elastic portion at an end portion of the holder in the axial direction, and
a process of arranging the holder and the elastic portion between the pair of side surface portions of the first support portion, wherein
in the process of arranging the holder and the elastic portion,
the elastic portion is arranged between the holder and the side surface portions,
a convex portion or a concave portion included in the elastic portion comes into contact with a concave portion or a convex portion included in at least one of the holder and the first support portion,
the convex portion of the elastic portion protrudes toward at least one of the holder and the first support portion,
the concave portion of the elastic portion is recessed on a side opposite to at least one of the holder and the first support portion,
the concave portion of at least one of the holder and the first support portion is recessed on a side opposite to the elastic portion, and
the convex portion of at least one of the holder and the first support portion protrudes toward the elastic portion.