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.

Date of Patent:
May. 08, 2018

Filed:

Dec. 20, 2015
Applicant:

Stichting Imec Nederland, Eindhoven, NL;

Inventor:

Marcel Zevenbergen, Nuenen, NL;

Assignee:

Stichting IMEC Nederland, Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/333 (2006.01); G01N 27/30 (2006.01); G01N 27/413 (2006.01);
U.S. Cl.
CPC ...
G01N 27/301 (2013.01); G01N 27/333 (2013.01); G01N 27/413 (2013.01);
Abstract

An ion sensor for sensing an ion concentration in a bulk solution comprises a reference electrode embedded in an reference electrolyte solution, and a first ion-selective electrode. The ion sensor moreover comprises a second electrode sensitive to the reference ions or to an ion different from the ion to be measured, whereby the second electrode is in direct contact with the bulk solution when the ion sensor is immersed therein. The potential difference between the first electrode and the reference electrode is a measure for the ion concentration in the bulk solution and is corrected with the potential difference between the second electrode and the reference electrode to compensate for the drift of the reference electrode.


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Zevenbergen, Marcel. (2018). Drift compensated ion sensor (U.S. Patent No. 9964509). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9964509

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