Sensor unit, especially for fingerprint sensors

Details Sensor unit, especially for fingerprint sensors Sensor unit, especially for fingerprint sensors

2007-07-03

2010-12-07

Alavi, Amir (Department: 2624)

Image analysis

Applications

Personnel identification

C382S312000

Reexamination Certificate

active

07848550

ABSTRACT:
The invention relates to a sensor chip, especially for measuring structures in a finger surface, comprising an electronic chip of a per se known type being provided with a number of sensor electrodes for capacitance measurements, the chip being positioned on a substrate being provided with a number of openings or slots through which electrical conductors are provided, the ends of said conductors constituting a sensor array for capacitance measurements so that the sensor array is positioned on a first side of said substrate and the electronic chip is positioned on the other side of the substrate.

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