Patent ID: 11943522
Assignee: OLYMPUS CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  A  G | IPC A  G  H

Claim 9:
10. A manufacturing method of an image pickup apparatus for use with an endoscope, the manufacturing method comprising:
manufacturing an optical member in which a plurality of optical devices are stacked and an image pickup sensor having a light receiving surface;
measuring a position of an image-forming plane on which an object image, light of which is focused by the optical member, is formed;
stacking the optical member and the image pickup sensor;
adjusting an interval between the optical member and the image pickup sensor so that a measured position of the image-forming plane becomes a position of the light receiving surface; and
fixing the optical member and the image pickup sensor in a state of the adjusted interval by performing curing processing on a transparent resin disposed to fill an optical path between the optical member and the image pickup sensor,
wherein at least one of the optical member or the image pickup sensor is fixed to a spacer with the transparent resin disposed between the optical member or the image pickup sensor and the spacer is configured to roughly adjust an optical path length in curing processing, the optical path is set on a basis of the measured position of the image-forming plane.