Patent ID: 11971537
Assignee: RICOH COMPANY, LTD.
Field: Optics (Instruments)
Classification: CPC G  F  B | IPC B  F  G

Claim 0:
1. A light deflection device comprising:
a substrate including a planar portion and a recess;
a spacer member disposed at a bottom of the recess;
a supporting section disposed on the spacer member;
a movable part rotatably supported by the supporting section and having a reflecting surface configured to reflect light at a height equal to or higher than a height of the planar portion; and
a light transmissive member disposed on the planar portion and covering the movable part,
wherein a closed figure using a metal thin film is formed on the planar portion,
wherein a metal layer is provided at a secured portion of the light transmissive member, the secured portion being configured to be secured onto the planar portion, and
wherein the metal thin film of the closed figure is joined to the metal layer of the secured portion with solder and hence the light transmissive member is secured onto the closed figure.