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Sensors/MEMS??

TDK optical sensors use amorphous silicon semiconductor

Posted: 28 May 2002 ?? ?Print Version ?Bookmark and Share

Keywords:bcs3216g1? bcs5030g1? optical sensor? lcd lighting control? pda optical sensor?

TDK Corp.'s BCS3216G1 and BCS5030G1 optical sensors for visible light incorporate the use of an amorphous silicon semiconductor, making them highly receptive to visible light and unreceptive to infrared light.

This allows them to have an accurate illumination measurement of the surrounding lights without the use of an infrared filter commonly used by phototransistors and photodiodes.

The lead-free sensors can be used to control the LCD lighting and key switching lighting of portable devices such as PDAs and cellphones.

The BCS3216G1 is shipped in a 3.2-by-1.6-0.8mm package, while the BCS5030G1 is in a 5-by-3-by-0.8mm casing.





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