PHOTODIODE HAVING LIGHT REDIRECTION LAYER

PHOTODIODE HAVING LIGHT REDIRECTION LAYER

A substrate-entry photodiode includes a light redirection layer over an absorbing layer of the photodiode. The light redirection layer may reflect light back through the absorbing layer of the photodiode at an oblique angle. The oblique angle prevents the reflected light from exiting the substrate e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Mathai, Sagi, Sorin, Wayne Victor, Tan, Michael Renne Ty
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A substrate-entry photodiode includes a light redirection layer over an absorbing layer of the photodiode. The light redirection layer may reflect light back through the absorbing layer of the photodiode at an oblique angle. The oblique angle prevents the reflected light from exiting the substrate entry aperture while providing a second pass through the absorbing layer.