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Japanese Patent JP7270794

B2

A device comprising an optical element having an interior including a rigid, optically transparent material; a first surface of the optical element, the first surface including a region with an optically transparent surface for capturing images through the optical element; and a second surface of the optical element opposing the first surface. The device further comprising a center axis of the optical element passing through the first surface and the second surface; and a layer of a pliable, optically transparent material disposed on the second surface and attached to the second surface, a first side of the layer adjacent to the second surface of the optical element having a second index of refraction matched to a first index of refraction of the second surface, and a second side of the layer opposing the second surface of the optical element having an optical coating with a predetermined reflectance. Characterized in that it further comprises: a surface around the interior of the optical element including one or more light shaping features configured to control an illumination of the second surface; and a mechanical key on an exterior of the optical element for enforcing a predetermined position of the optical element within a fixture of an imaging system.

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Rohary, janos
Adelson, edward, h

JP2022028887A

May 10, 2023

February 28, 2022

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GelSight,Inc.

G01N21/27; G01N21/01; G02B3/00; G02B7/02; G03B11/00; G03B15/00; G03B17/14

JP2011525284A
JP2016191834A
JP2014140750A

US20140104395
US20160249807
WO2004055429A1
US20160044218

Satoshi Furuya
Akihiro Onishi
Rei Hosoi

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