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US 12,416,746 B2Granted
Stacked lens, optical unit, endoscope, and method of manufacturing optical unit
AssigneeOlympus Corporation
InventorsKazuhiro Murakami, Kensuke Suga, Jumpei Yoneyama
Life of this patent
Estimating the term…
Abstract
A stacked lens includes: a first optical device; a second optical device disposed on an optical axis of the first optical device; and an adhesive layer bonding the first optical device and the second optical device and including a projection projecting outside a side surface of the first optical device and a side surface of the second optical device.
Claims17
A stacked lens comprising:
- a first optical device;
- a second optical device disposed on an optical axis of the first optical device;
- and
- a first adhesive layer bonding the first optical device and the second optical device and including a first projection projecting outside an outer peripheral surface of each of the first optical device and the second optical device, the outer peripheral surface being along the optical axis.
1 more element
An optical unit comprising:
- a stacked lens including:
- a first optical device;
- a second optical device disposed on an optical axis of the first optical device;
- and a first adhesive layer bonding the first optical device and the second optical device and including a first projection projecting outside an outer peripheral surface of each of the first optical device and the second optical device, the outer peripheral surface being along the optical axis;
- and
- a first frame member in which the stacked lens is housed and that has an inner surface including a first positioning member, the first projection being in contact with the first positioning member.
3 more elements
An endoscope comprising an insertion section and an optical unit disposed in a distal end portion of the insertion section,
- the optical unit including:
- a stacked lens including:
- a first optical device;
- a second optical device disposed on an optical axis of the first optical device;
- and a first adhesive layer bonding the first optical device and the second optical device and including a first projection projecting outside an outer peripheral surface of each of the first optical device and the second optical device, the outer peripheral surface being along the optical axis;
- and
- a frame member in which the stacked lens is housed and that has an inner surface including a positioning member, the first projection being in contact with the positioning member.
4 more elements
A method of manufacturing an optical unit, the method comprising:
- producing a stacked wafer including a first optical wafer including a plurality of first optical devices, a second optical wafer including a plurality of second optical devices, and an adhesive layer between the first optical wafer and the second optical wafer;
- cutting the stacked wafer using a dicing blade to produce a stacked lens, the stacked lens including one of the first optical devices, one of the second optical devices, and a first adhesive layer including a projection projecting outside a cut surface;
- and
- housing the stacked lens in a frame member having an inner surface including a positioning member in a state where the projection is in contact with the positioning member.
1 more element
Dependencies are inferred from the claim text.