Tuesday, September 7, 2010

Samsung's BSI image sensors for consumer applications

Samsung reports their first BSI image sensors for consumer applications: press release.
Samsung's new BSI imagers show 30 percent enhancement in low light sensitivity over conventional front side illumination imagers of the same pixel size. By optimizing process parameters, Samsung was able to efficiently control crosstalk thereby improving the color, electrical and optical performance significantly.

The S5K4E5, a quarter-inch optical format 1.4 micron 5 megapixel (Mp) CMOS image sensor, is designed to support full resolution real-time video. By providing 30 frames per second (fps) full resolution frame rates it also enables the user to 'catch the shot' by capturing the frame as the user hits the shutter button thus reducing shot to shot lag time. The 5Mp imager has a wider chief ray angle that reduces the height of the imager package making it attractive for slim, small form factor smartphones with demanding z-height requirements.

The S5K2N1, a 1/2.33 inch optical format 1.4 micron 14.6Mp imager, offers 30fps capability at full resolution and leverages Samsung's low-power 90 nanometer logic process technology. Samsung is able to offer a dedicated thermal enhanced plastic lead ceramic carrier (TePLCC) package to more effectively dissipate the heat generated by the high performance device.

These imagers also offer the ability to capture full high definition (HD) resolution video images at 60fps.

Samples of the 5Mp S5K4E5 are available now with mass production starting in the fourth quarter of this year. The 14.6Mp S5K2N1 is expected to start sampling in the fourth quarter of 2010 with production scheduled in the first quarter of 2011.

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