Sensor array for a capacitance measuring fingerpri

专利名称：Sensor array for a capacitance measuring

fingerprint sensor, and method forproducing such a sensor array

发明人：Maximilian Zellner,Jörg Zapf,Peter Demmer申请号：US09796214申请日：20010228公开号：US06481294B2公开日：20021119

专利附图：

摘要：A base layer, which is preferably flexible, has first conductor tracks, a firstinsulation layer, fine structures with first electrodes, second conductor tracks and second

electrodes, and finally a second insulation layer applied to it in succession. The firstelectrodes are connected, via plated-through holes, to associated first conductor tracks.Changes, caused by lines in the skin of a finger pad, in the stray capacitance betweenadjacent first and second electrodes are evaluated for recording fingerprints.

申请人：INFINEON TECHNOLOGIES AG

代理人：Laurence A. Greenberg,Werner H. Stemer,Ralph E. Locher

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