Techtree News Staff, Mar 29, 2007 1138 hrs IST
Samsung Electronics has announced an 8.4-megapixel CMOS image sensor (CIS) with a 1.4 um pixel design.
Samsung Electronics has announced an 8.4-megapixel CMOS image sensor (CIS) with a 1.4 um pixel design.
The new CIS chip, which is claimed to be the world's smallest, provides a high signal to noise ratio (SNR), a key measure of overall image quality.
According to Samsung, it has managed to achieve the high-resolution level by implementing advanced light sensing features and minimized noise levels. Besides, an extended photo diode technology has also been implemented to achieve higher light sensitivity and saturation levels, resulting in an enhanced fill factor.
The most commonly seen sensor in cell phone cameras offers a resolution of 1.3-megapixel, though high-end phones have reached upwards of 6-megapixel. The new chip promises to provide the same image quality as the charge-coupled device (CCD) image sensors currently used in most digital cameras and camcorders.
The company believes that since the new CIS only uses one-tenth the power of a CCD image sensor, it should quickly replace CCDs in all three key applications including mobile phones, digital cameras and camcorders.
Samsung also says that the CIS market is expected to show high demand for high-resolution devices. The current outlook toward 2009 shows a compound annual growth rate of over 90 percent for 3-megapixel and higher resolution devices over a four-year term from 2006 through 2009.
Presently, the company's CIS technology portfolio spans across the range of 1.3 through 5-megapixel resolutions, while the 8-megapixel CIS is expected to be available in the second half of this year.
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