Active pixel sensor with improved signal to noise ratio

Active pixel sensor with improved signal to noise ratio

An active pixel sensor (APS) is disclosed which amplifies an electrical charge generated by a light-receiving unit using a charge amplification unit and thereafter processes an output current or voltage corresponding to an amplified version of the electrical charge. The light-receiving unit receives...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YI DUK-MIN
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:An active pixel sensor (APS) is disclosed which amplifies an electrical charge generated by a light-receiving unit using a charge amplification unit and thereafter processes an output current or voltage corresponding to an amplified version of the electrical charge. The light-receiving unit receives a light signal and generates holes and electrons corresponding to the received light signal, and the charge amplification unit receives and amplifies either the electrons or the holes.