Sensor unit, especially for fingerprint sensors
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United States of America Patent
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Dec 7, 2010
Issued Date -
N/A
app pub date -
Jul 3, 2007
filing date -
Jun 9, 2000
priority date (Note) -
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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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