Image pickup unit and endoscope distal end portion including the image pickup unit
AssigneeOlympus Corporation
InventorTakatoshi Igarashi
Life of this patent
Estimating the term…
Abstract
The application is directed to an image pickup system that includes a lens holder; an image pickup optical system that is secured by a portion of the lens holder; an image pickup device comprising a first surface and a second surface, wherein the first surface is nearer the image pickup optical system than the second surface in an optical axis direction, a light receiving sensor that receives light entering through the image pickup optical system, and a cover glass attached to the first surface of the image pickup device, wherein the cover glass comprising a fitting portion of the cover glass in an outer circumferential face of the cover glass.
Claims9
An image pickup system comprising:
- a lens holder;
- an image pickup optical system that is secured by a portion of the lens holder;
- an image pickup device comprising a first surface and a second surface, wherein the first surface is nearer the image pickup optical system than the second surface in an optical axis direction,
- a light receiving sensor that receives light entering through the image pickup optical system, and
- a cover glass attached to the first surface of the image pickup device, wherein the cover glass comprising a fitting portion of the cover glass in an outer circumferential face of the cover glass,
- wherein the lens holder comprises a first end and a second end, the first end nearer the image pickup device than the second end in the optical axis direction, and
- wherein at least a portion of the lens holder and the image pickup device are the same width or the image pickup device is a wider width than the lens holder, in a width direction orthogonal to the optical axis direction when the first end of the lens holder is fitted on the fitting portion of the cover glass.
Dependencies are inferred from the claim text.