Patent ID: 11867716
Assignee: SEIKO EPSON CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 0:
1. A MEMS device comprising:
three mutually orthogonal axes being defined as an X-axis, a Y-axis, and a Z-axis;
a base;
a movable member facing the base along the Z-axis and supported by the base with a first gap therebetween; and
a wall spaced apart from the movable member along the Y-axis by a second gap in a plan view;
wherein the wall includes an abutment portion facing the movable member along the Y-axis,
a hollow exists in the abutment portion,
the hollow includes a first hole and a second hole,
the first hole is arranged closer to the movable member than the second slot hole along the Y-axis in the plan view,
the abutment portion includes a narrow width portion between the movable member and the first hole in the plan view, and
a width along the Y-axis of the narrow width portion is narrower than a width along the Y-axis of the wall.