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Comparison of simplified back-illuminated and front-illuminated pixel cross-sections. A back-illuminated (BI) sensor, also known as back-side illumination (BSI) sensor, is a type of digital image sensor that uses a novel arrangement of the imaging elements to increase the amount of light captured and thereby improve low-light performance.
Exmor R is a back-illuminated version of Sony's CMOS image sensor. [5] Exmor R was announced by Sony on 11 June 2008 and was the world's first mass-produced implementation of the back-illuminated sensor technology. [6] [non-primary source needed] Sony claims that Exmor R is approximately twice as sensitive as a normal front illuminated sensor.
A fact from Back-illuminated sensor appeared on Wikipedia's Main Page in the Did you know column on 17 June 2010 (check views).The text of the entry was as follows: Did you know... that the back-illuminated sensor improves on conventional digital camera sensors by moving wiring so it does not interfere with light entering the front of the detector?
These sensors use one of the following pixel type technologies: FSI: frontside-illuminated.The light that reaches the photosensitive area is reduced because it needs to pass through multiple metal and dielectric layers.
While the first three generations of X-Trans sensors are front-illuminated, the fourth generation uses the principle of backside illumination. This improves noise levels and image quality. This improves noise levels and image quality.
While back-illuminated electron-multiplying CCD (EMCCD) cameras are optimal for purposes requiring the lowest noise and dark currents, sCMOS technology's higher pixel count and lower cost result in its use in a wide range of precision applications. sCMOS devices can capture data in a global-shutter “snapshot” mode over all the pixels or ...