METHOD OF MANUFACTURING CMOS IMAGE SENSOR

A method for manufacturing the CMOS image sensor comprising forming an epitaxial layer provided with a plurality of photo diodes on a semiconductor substrate, coating a first photo resist on the epitaxial layer and performing a patterning process on the first photo resist using a predetermined refer...

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1. Verfasser:	BANG SUN KYUNG
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A method for manufacturing the CMOS image sensor comprising forming an epitaxial layer provided with a plurality of photo diodes on a semiconductor substrate, coating a first photo resist on the epitaxial layer and performing a patterning process on the first photo resist using a predetermined reference value in order to form a first photo resist pattern, coating a second photo resist on the epitaxial layer and first photo resist pattern and performing a patterning process for the second photo resist in order to form the second photo resist pattern on the first photo resist pattern; and forming a well area of a pixel area by performing a dopant implantation process using a mask pattern including the first photo resist pattern and the second photo resist pattern.