Wafer lens array, layered lens array, image pickup unit, method for manufacturing layered lens array, and endoscope
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United States of America Patent
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Oct 1, 2024
Grant Date -
Apr 1, 2021
app pub date -
Dec 11, 2020
filing date -
Aug 7, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A wafer lens array includes a wafer lens formed by arranging a plurality of plate members on a plane, each plate member including a first window configured to allow light for forming an optical image to pass through, a first light-shielding portion formed on an outer circumference of the first window and a second window formed on an outer circumferential side of the first light-shielding portion and configured to allow illumination light to pass through, and the wafer lens in plurality are coaxially layered and the layered wafer lenses are bonded and fixed together in a region of the second window.
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