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:
Feb. 05, 2013
Filed:
Feb. 22, 2010
Mourad Manoukian, Watertown, MA (US);
Anthony B. Laconti, Lynnfield, MA (US);
W. Michael Krebs, Sudbury, MA (US);
Linda A. Tempelman, Lincoln, MA (US);
John W. Forchione, Jr., Ashland, MA (US);
Erich Muehlanger, Jr., East Boston, MA (US);
Mourad Manoukian, Watertown, MA (US);
Anthony B. LaConti, Lynnfield, MA (US);
W. Michael Krebs, Sudbury, MA (US);
Linda A. Tempelman, Lincoln, MA (US);
John W. Forchione, Jr., Ashland, MA (US);
Erich Muehlanger, Jr., East Boston, MA (US);
Giner, Inc., Newton, MA (US);
Abstract
A multi-gas microsensor assembly for simultaneously detecting carbon dioxide and oxygen in real time. According to one embodiment, the assembly comprises a non-conductive, solid substrate. A plurality of sensing electrodes, a single reference electrode, and a single counter electrode are positioned on one side of the non-conductive, solid substrate. In addition, all of the electrodes are in intimate contact with the same side of a solid-polymer electrolyte anion-exchange membrane, the solid polymer electrolyte membrane having at least one gas diffusion opening aligned with each sensing electrode. The sensor is operated in a three-electrode potentiostatic mode, in which a constant potential is maintained between the sensing and reference electrodes, and the current is measured between the sensing and counter electrodes. Control of the electrodes is achieved with a small bi-potentiostat. The design of the bi-potentiostat allows at least two different sensing electrodes to share the same counter and reference electrodes.