CEMENTED LENS AND LENS UNIT
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
Dec 13, 2013
filing date -
Dec 19, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cemented lens may include a first lens with a concave surface and a second lens with a convex surface. The concave surface of the first lens may be cemented to the convex surface of the second lens using an adhesive. The first lens may include an outer peripheral region. The second lens may include an outer peripheral region. An outer peripheral region on one side of the first lens side outer peripheral region and the second lens side outer peripheral region may include a protruded part. The first lens side outer peripheral region may include a recessed part which is extended in a circumferential direction so as to surround the lens face of the first lens.
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