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US 7,742,090 B2Granted
Flexible segmented image sensor
AssigneePalo Alto Research Center Incorporated
InventorsRobert A. Street, Sanjiv Sambandan, Jeng Ping Lu
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Abstract
A method of making a curved sensor is described. The method involves projecting portions of a curved three dimensional structure such as a hemisphere onto a two dimensional substrate in an outline pattern. The outline pattern typically serves as a perimeter of a sensor. After forming a sensor in the shape of the outline pattern, the two dimensional substrate is flexed to form a three dimensional sensor structure.
Claims8
A segmented, curved sensor comprising:
- a first pixelated curved sensor segment on a substrate;
- a second pixelated curved sensor segment on the substrate, the first curved sensor segment and the second curved sensor segment joined together at a joint on the substrate to form at least a portion of a hemisphere, the first and second segments joined by address lines that curve out of the arc of the hemisphere formed by the first pixelated curved sensor segment and the second pixelated curved sensor segment.
An imaging system including a segmented hemispherical sensor comprising:
- a segmented hemispherical sensor made up of curved hemispherical sensor segments;
- a lens system that focuses light in a curved focal plane onto the segmented hemispherical sensor;
- and,
- an image processor that receives electrical signals from the segmented hemispherical sensor and generates an image.
1 more element
Dependencies are inferred from the claim text.