CMOS image sensor using gradient index chip scale lenses

CMOS image sensor using gradient index chip scale lenses

A camera module (100, 200) includes a gradient index lens (160) on a spacer plate (150) attached over an array of pixel sensors (120) and associated micro lenses (130, 230). The spacer plate (150) and gradient index lens (160) can be formed at the wafer level during the manufacture of multiple camer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PITOU, DAVID S, HARTLOVE, JASON T, JOHNSON, PATRICIA E
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A camera module (100, 200) includes a gradient index lens (160) on a spacer plate (150) attached over an array of pixel sensors (120) and associated micro lenses (130, 230). The spacer plate (150) and gradient index lens (160) can be formed at the wafer level during the manufacture of multiple camera modules (100, 200). A process for manufacturing the camera modules (100, 200) thus provides tolerances and yields provided by wafer processing techniques rather than mechanical assembly.