Patent · US Active

Miniature sensor chip, especially for finger print sensors

US7518382B2 · kind B2 · utility

17Cited by

17References

11Claims

0Family size

Assignee

IDEX ASA · NO

Inventors

Ovidiu Vermesan · Kongsberg, NO
Jon Nysaether · Oslo, NO
Ib-Rune Johansen · Oslo, NO
Jon Tschudi · Oslo, NO

Key dates

Filing date	Aug 13, 2007
Grant date	Apr 14, 2009
Priority date	—
Expiry date	Aug 13, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG06V40/1306
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A sensor chip for measuring of structures in a finger surface includes an electronic chip provided with a number of sensor electrodes for capacitance measurements. The chip further includes 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.