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According to the trend towards high-resolution CMOS image sensors, pixel sizes are continuously shrinking, towards and below 1.0μm, and sizes are now reaching a technological limit to meet required SNR performance [1-2]. SNR at low-light conditions, which is a key performance metric, is determined by the sensitivity and crosstalk in pixels. To improve sensitivity, pixel technology has migrated from...
According to the high resolution trend in CMOS image sensor, pixel size is shrinking continuously towards and beyond 1.0um and reaching technical barrier to get the required performance. To achieve high SNR's in both low and high illumination, while high sensitivity and high full well capacity are essential but limited by pixel size of around 1.0um, reduction of crosstalk is more efficient way, which...
As pixel sizes continue to scale down, backside-illuminated (BSI) technology has been recently adopted as a solution to improve pixel SNR performance. In addition, as the application of image sensors widens from digital still cameras to digital camcorders, high-resolution and high-speed operation are required. This paper presents 1/2.33-inch 14.6Mpixel CMOS image sensor employing a 1.4μm BSI pixel...
The imaging area is one of the most exciting and dynamic areas of the electronics industry. The pervasion of imaging into society was boosted significantly when it was included inside most mobile phones. Although this a huge driver of the industry, there are still new applications that continue to push the growth and innovation of the technology. This session highlights advances in Image Sensors in...
As pixel size of image sensors shrinks down rapidly, we are reaching technical barrier to get the required low light performance. In this paper, recent advanced technologies such as backside illumination, new color filter array, low F-number with extended depth of field technologies, etc. are introduced to overcome such a barrier. It is shown that the integration of these advanced sensor technologies...
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