Measuring instrument and method for optical measurement of...

Image analysis – Applications – Personnel identification

Reexamination Certificate

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Reexamination Certificate

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10297745

ABSTRACT:
Sensor chip, especially for measuring of structures in a finger surface, characterized in that it comprises an electronic ship being in a per se known way provided with a number of sensor electrodes for capacitance measurements, the chip being provided with a first layer comprising a metal or another electrically conducting material over and coupled to the sensor electrodes and a first dielectric layer substantially covering the first metal layer.

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Balde et al.; “Electronic Materials Handbook, ASM International, vol. 1, Packaging.”; pp. 144-145, 297-305, 320-321, 438-442, ISNBN 0-87170-285-1.
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