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Biometric sensor delivers improved accuracy

Posted: 01 Mar 2006     Print Version  Bookmark and Share

Keywords:Atmel  FingerChip  sensor  AT77C102B  Biometric 

Atmel Corp. has introduced of a member of its FingerChip family of sensors. The AT77C102B FingerChip biometric sensor is fully-compatible with its predecessor, the AT77C101B, while boasting twice the sensor sensitivity. This sensor promises to improve the image enhancement output, leading to greater recognition accuracy while improving the overall system performance.

The AT77C102B uses an improved thermal-sensitive layer on top of the silicon. This improvement elevates the maximum temperature that the sensor can withstand, leading to connection capabilities especially with direct flex report, Atmel explained.

FingerChip sensors provide high-quality images despite impairments such as wet, dry or worn- out fingerprints. The AT77C102B sensor measures 0.4-by-14mm in area with a resolution of 500dpi, using chip-on-board package assembly to facilitate the ease of integration. Its protective coating promises excellent reliability, mechanical robustness and a wide range of operating conditions (-40°C to 85°C).

The AT77C102B operates with low power consumption, as low as 5mA for image acquisition, and less than 10µA in stand-by-mode. This device is designed for high-level applications such as physical access control, point of sales, USB biometric readers of storage devices and PC add-ons.

The RoHS-compliant AT77C102B is available with either an elastomer or flex connector.

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