Solid-state image sensor

An image sensor includes first to fourth microlenses. A first height difference between a first valley between the first and second microlenses and tops of the first and second microlenses is larger than a second height difference between a second valley between the third and fourth microlenses and...

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Bibliographic Details
Main Author UEHIRA KOSEI
Format Patent
LanguageEnglish
Published 07.06.2016
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:An image sensor includes first to fourth microlenses. A first height difference between a first valley between the first and second microlenses and tops of the first and second microlenses is larger than a second height difference between a second valley between the third and fourth microlenses and tops of the third and fourth microlens, a first angle formed by a tangent in an outermost portion of the first microlens, which contacts the first valley and a plane perpendicular to the normal is equal to or smaller than a second angle formed by a tangent in an outermost portion of the third microlens, which contacts the second valley and the plane.
Bibliography:Application Number: US201414533312