Ultra thin sensor measures pulse, scans fingerprints, vein patterns

University of Tokyo’s Takao Someya has developed a very thin sensor, worn around the finger or arm, which measures pulses and scans fingerprints and vein patterns, which can prevent identification errors in hospitals and nursing homes.

It consists of a thin film transistor and an optical sensor, based on Takao Someya, on a sheet, allowing simultaneous high-resolution imaging and high-speed data readouts.

The sensor will be refined to also measure blood sugar levels and blood oxygen content.

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