LENS UNIT AND LENS ALIGNMENT METHOD
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Apr 1, 2024
filing date -
Apr 3, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A lens unit includes a first lens and a second lens arranged in this order from an image side toward an object side. The second lens includes an annular contacting portion in contact with the first lens on an outer peripheral side of a lens surface on the image side. The first lens includes an annular contacted portion in contact with the contacting portion on an outer peripheral side of a lens surface on the object side. The contacting portion and the contacted portion are in line contact with each other. A contact line along which the contacting portion and the contacted portion are in contact with each other has an annular shape coaxial with an optical axis of the first lens and is located on a virtual perpendicular plane that is perpendicular to the optical axis of the first lens.
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