Ying Hui Lin

US Patent:

20030057968, Mar 27, 2003

Filed:

Sep 26, 2001

Appl. No.:

09/963862

Inventors:

Da Wang - Troy MI, US
Ying Lin - El Paso TX, US
David Lambert - Sterling Heights MI, US

International Classification:

G01R027/26

US Classification:

324/690000

Abstract:

A sensor comprising: a substrate consisting essentially of a non-conductive material; a first electrode, and a second electrode disposed on a first surface of the substrate, wherein the first electrode comprises a first major portion traversing a length of the substrate and a finger extending from the major portion, wherein the second electrode comprises a second major portion traversing the length of the substrate and a finger extending from the second major portion, wherein the first electrode finger extends toward the second electrode major portion and the second electrode finger extends toward the first electrode major portion and is substantially parallel to the first finger; and a third electrode connected to a ground, wherein the third electrode is interposed between and about the first and second electrodes.