Sensor unit, especially for fingerprint sensors

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MATHIASSEN SVEIN, JON NYSAETHER, OVIDIU VERMESAN, BJORN ERIK SEEBERG
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DIAGNOSIS HANDLING RECORD CARRIERS HUMAN NECESSITIES HYGIENE IDENTIFICATION IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEDICAL OR VETERINARY SCIENCE PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SURGERY TESTING
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Beschreibung
Zusammenfassung:	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.