PIXEL STRUCTURE AND METHOD FOR MANUFACTURING A PIXEL STRUCTURE

A pixel structure includes a substrate body having a light entrance surface, a plurality of first photodiodes formed in the substrate body at a first depth with respect to the light entrance surface, and a second photodiode formed in the substrate body at a second depth with respect to the light ent...

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Bibliographic Details
Main Authors LIN, Dong-Long, XHAKONI, Adi
Format Patent
LanguageEnglish
Published 09.11.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:A pixel structure includes a substrate body having a light entrance surface, a plurality of first photodiodes formed in the substrate body at a first depth with respect to the light entrance surface, and a second photodiode formed in the substrate body at a second depth with respect to the light entrance surface. The first depth corresponds to a photon absorption length in a material of the substrate body at a first wavelength range, and the second depth corresponds to a photon absorption length in the material of the substrate body at a second wavelength range that is different from the first wavelength range.
Bibliography:Application Number: US202118246398