IMAGE SENSOR AND MANUFACTURING METHOD THEREOF AND CAMERA MODULE HAVING THE IMAGE SENSOR

IMAGE SENSOR AND MANUFACTURING METHOD THEREOF AND CAMERA MODULE HAVING THE IMAGE SENSOR

An image sensor, a manufacturing method, and a camera module including the image sensor are provided to prevent the inflow of foreign substances into a pixel array region by forming a foreign substance preventing protrude. A pixel array region(110) is provided with a micro lens(115). A circuit regio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SHIM, ICK CHAN
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 image sensor, a manufacturing method, and a camera module including the image sensor are provided to prevent the inflow of foreign substances into a pixel array region by forming a foreign substance preventing protrude. A pixel array region(110) is provided with a micro lens(115). A circuit region(120) is formed on an outer side of the pixel array region. A plurality of foreign substance preventing protrudes(150) for preventing the floating of foreign substances are formed on an upper surface of the circuit region at a certain interval. The certain interval between the foreign substance preventing protrudes is 2/3 to 4/3 times longer than a diameter of the micro lens. The foreign substance preventing protrude has a semispheric shape or a rectangular shape. The foreign substance preventing protrude is made of a material identical to that of the micro lens.