LIGHT RECEPTION ELEMENT AND METHOD FOR MANUFACTURING LIGHT-RECEPTION ELEMENT

A light reception element includes a semiconductor portion having a first surface including a light receiving portion and a light shielding portion, and a light shielding metal film provided on the light shielding portion. The metal film has a second surface facing a side opposite to the first surfa...

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Bibliographic Details
Main Authors SUGIMORI, Ryo, TANAKA, Yuma
Format Patent
LanguageEnglish
Published 21.01.2021
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:A light reception element includes a semiconductor portion having a first surface including a light receiving portion and a light shielding portion, and a light shielding metal film provided on the light shielding portion. The metal film has a second surface facing a side opposite to the first surface and receiving incident light. A plurality of recess portions are formed on the second surface. An inner surface of the recess portion includes a curved portion curved such that the recess portion reduces in size in a direction along the second surface from the second surface toward a bottom part of the recess portion.
Bibliography:Application Number: US201917042509