| US 7,601,250 B2 | ||
| Hybrid film type sensor | ||
| Otto J. Prohaska, Seymour, Conn. (US); Anthony B. LaConti, Lynnfield, Mass. (US); Jose D. Giner, Brookline, Mass. (US); and Mourad Manoukian, Watertown, Mass. (US) | ||
| Assigned to PerkinElmer LAS, Inc., Boston, Mass. (US) | ||
| Filed on Nov. 12, 2004, as Appl. No. 10/987,825. | ||
| Application 10/987825 is a continuation of application No. 10/298323, filed on Nov. 18, 2002, granted, now 6,936,147. | ||
| Application 10/298323 is a continuation in part of application No. 09/444334, filed on Nov. 19, 1999, abandoned. | ||
| Prior Publication US 2005/0126930 A1, Jun. 16, 2005 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. G01N 27/407 (2006.01) | ||
| U.S. Cl. 204—432 [204/424] | 19 Claims |
| 17. A sensor cell for detecting gases comprising:
a substrate having a first surface and an opposite second surface;
a sensing electrode; said sensing electrode in contact with said second surface;
an opening extending from said first surface to said second surface proximate to said sensing electrode for controlling a
gas flow; and
a gas diffusion membrane being of polymeric material in contact with and extending from first surface to said sensing electrode,
wherein said gas diffusion membrane has a thickness less than said substrate at said opening.
|