An image pick-up unit, an endoscope apparatus, and a manufacturing method of an image pick-up unit

Japanese Patent JP6137824

B2

PROBLEM TO BE SOLVED: To provide an imaging unit that can be manufactured with ease and high accuracy and can be reduced in size, an endoscope device, and a manufacturing method of an imaging unit.SOLUTION: An imaging unit 100 includes: a lens holder 22 that houses an objective lens 20 group in a hollow portion; a prism 30 that refracts or transmits light emitted from the objective lens 20 group; an imaging element 31 that picks up an image of the light emitted from the prism 30; an imaging holder 32 that houses the prism 30 in a hollow portion and holds the imaging element 31; and a temporary abutting portion 40 that positions the prism 30 at a predetermined position within the imaging holder 32. A part of the lens holder 22 is housed within the imaging holder 32, positions of the lens holder 22 and the imaging holder 32 are temporarily adjusted through the temporary abutting portion 40, and thereafter, by abutting the prism 30 to the lens holder 22 within the imaging holder 32, the prism 30 is positioned at a predetermined position within the imaging holder 32.

JPH10153750	LASER BEAM SHAPING OPTICAL PARTS
JP2006078869	LENS DRIVING DEVICE

Negishi Nanao

JP2012272048A

May 31, 2017

December 13, 2012

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Olympus Endo Technology America Inc.

G02B7/02; A61B1/00; A61B1/04; G02B23/24; G02B23/26; G03B17/02; H04N5/225

JP62255913A
JP2012187135A
JP2006267166A
JP62066220A
JP59048520A
JP2008079823A
JP2011237525A

US20050256377

Hiroaki Sakai

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