Sensor unit, especially for fingerprint sensors
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 31, 2007
Grant Date -
Aug 28, 2003
app pub date -
Jun 8, 2001
filing date -
Jun 9, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Sensor chip, especially for measuring structures in a finger surface, characterized in that it comprises 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 an electrically insulating substrate being provided with a number of openings 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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