Smartcard embeds 500 dpi flexible fingerprint sensor

November 22, 2016 // By Julien Happich
Smartcard embeds 500 dpi flexible fingerprint sensor
At the upcoming TRUSTECH 2016 exhibition in Cannes, FlexEnable will be showcasing an integration example of its 500 dpi flexible fingerprint sensor, in a smart card form factor.

With biometric authentication becoming increasingly important for the smartcard industry, flexible fingerprint sensors open up new opportunities, particularly in banking, using the cardholder’s fingerprint instead of or in addition to an entry pin.

Developed in collaboration with Grenoble-based ISORG, the 500 dpi flexible optical fingerprint sensor uses high performance organic thin-film transistors (OTFTs) on low cost plastics. The organic photodiodes able to capture the fingerprint as well as the reading electronics and the related algorithms where provided by ISORG. The flexible fingerprint sensor can be paired with any end-user software to create an authentication device with low false acceptance and rejection rates.

The foil-based fingerprint sensor is only 0.3 mm thick and integrates well within the typical thickness of a smartcard (0.76mm). It can not only detect fingerprints but also capture veins for a second level of security, since each user’s finger vein pattern is unique and requires the user to be alive for positive detection.

FlexEnable has also demonstrated large area flexible fingerprint sensors suitable for optical fingerprint and vein scanners for border control or applications that require multi-finger verification. These sensors are suitable for FBI certification. 

Visit FlexEnable at


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