Samsung gets big on CMOS

Samsung Electronics has developed a CMOS image sensor (CIS) - the S5K2E1FX - with a five-megapixel QSXGA resolution. This CIS can provide resolutions of up to 2,608 x 1,952 pixels and will be used in imaging devices such as mobile phones, digital cameras and digital camcorders.

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By  Chris Fernando Published  June 28, 2005

Samsung Electronics has developed a CMOS image sensor (CIS) - the S5K2E1FX - with a five-megapixel QSXGA resolution. This CIS can provide resolutions of up to 2,608 x 1,952 pixels and will be used in imaging devices such as mobile phones, digital cameras and digital camcorders. Samsung claims its new CMOS sensors can match the performance of charge-coupled device (CCD) sensors with the same resolution, as used in similar products. However, the CIS is built to consume less power and costs less to produce than its CCD counterparts. The new CIS has a 1/2.5-inch lens aperture with a pixel measurement (photosite) of 2.2 x 2.2 microns. Using 0.13-micron process technology, Samsung has increased the fill factor (an indicator of light sensitivity) by over 50%, which according to the company ensures sharp images. The five-megapixel CIS also has a 30% smaller footprint than other models of the same resolution, thus allowing it to be used in smaller digital camera and camera phone models. “The new five-megapixel CIS marks a new milestone in digital imaging excellence,” said Yong-Hee Lee, vice president, System LSI Division at Samsung Electronics. “We are committed to introducing advanced imaging technologies for optimal performance on mobile and digital consumer applications.” Samsung also recently developed a 3.2-megapixel CIS - the S5K3C1FX - for camera phones. This CIS has photosites of 2.25 x 2.25 microns in a 1/3-inch lens aperture, and comes with a serial interface for accelerated data processing speeds. Samsung plans to begin mass-production of the new five-Megapixel CIS in the fourth quarter of 2005 and the 3.2-Megapixel CIS with an embedded image signal processor (ISP) by the first half of 2006.

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