Plastic Lens with Improved Eccentricity and Method for Manufacturing the Same

Plastic Lens with Improved Eccentricity and Method for Manufacturing the Same

A plastic lens includes: a lens body which has a first surface, a second surface opposite to the first surface, a circumferential surface interconnecting the first surface and the second surface, and a central optical axis along which the first and second surfaces are arranged, the first surface hav...

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Hauptverfasser: HSIEH YU-LIN, CHEN FUIN
Format: Patent
Sprache:eng
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator HSIEH YU-LIN
CHEN FUIN
description A plastic lens includes: a lens body which has a first surface, a second surface opposite to the first surface, a circumferential surface interconnecting the first surface and the second surface, and a central optical axis along which the first and second surfaces are arranged, the first surface having a curved surface portion and a stepped surface portion surrounding the curved surface portion; a first flash that is located at the stepped surface portion and that surrounds the central optical axis; and a second flash that is located at the stepped surface portion and that surrounds the first flash.
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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title Plastic Lens with Improved Eccentricity and Method for Manufacturing the Same
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