LENS UNIT AND CEMENTED LENS

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200073077A1
SERIAL NO

16553568

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A cemented lens may include a first lens and a second lens connected via an adhesive layer. The first lens may include a convex surface facing toward the second lens, and a first flange surrounding an outer circumference of the convex surface. The second lens may include a concave surface connected to the convex surface, and a second flange surrounding an outer circumference of the concave surface. One of the first and second flange may include a projection protruding toward an other of the first and second flange. The other of the first and second flange may include an opposed portion opposed to a side surface of the projection Ga is a distance between the convex surface and the concave surface, and Gb is a distance between the side surface and the opposed portion, and the following expression: Gb

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Patent Owner(s)

Patent OwnerAddress
NIDEC SANKYO CORPORATIONSUWA-GUN NAGANO 393-8511

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KANZAKI, Yosuke Nagano, JP 21 46

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