The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2009
Filed:
Aug. 13, 2007
Applicants:
Ovidiu Vermesan, Stabekk, NO;
Jon Nysaether, Oslo, NO;
Ib-rune Johansen, Oslo, NO;
Jon Tschudi, Oslo, NO;
Inventors:
Ovidiu Vermesan, Stabekk, NO;
Jon Nysaether, Oslo, NO;
Ib-Rune Johansen, Oslo, NO;
Jon Tschudi, Oslo, NO;
Assignee:
Idex ASA, Fornebu, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 27/26 (2006.01); G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
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.