Thursday, July 7, 2011

8 Mpixel sensor smartphone from Toshiba

Toshiba has just introduced a new CMOS sensor for smartphone including 8.08 million pixels of 1.2 microns. It would be the smallest pixels in the world, he said. To improve their sensitivity to light and sensor performance in general, it uses a so-called back-illuminated CMOS or BSI (Back-Side Illumination), the statement said.

Contains a CMOS transistors, and all cables from a substrate containing the photo-diodes that capture light. On a conventional sensor, the light passes through the lens, then the transistors to be finally captured by the photo-diodes, which is easier to manufacture. On a back-illuminated sensor (CMOS BSI), the substrate is placed before the layer of transistors, so that the light is not blocked.

4 The iPhone was among the first to popularize this kind of sensor that was marketed before the phone with apple on Sony camcorders that boarded the sensor Exmor R of the firm . HTC and Apple, however, were the first to put in smartphones. Specifically, this system allows the sensor to receive more light.

It is not however a panacea. Clearly, a photo taken with a CMOS sensor BSI has a better dynamic and colorimetry a photograph taken with a classical model, which is particularly important in environments with low light. However, it will not replace a compact, especially if the user is a minimum quality of the image.

Toshiba says its sensor can record video in 1080p at 60 frames per second. There will be mass produced at the end of the year and sold at a price of $ 15 each. No manufacturer of smartphones has yet announced products using it.

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