Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 21, 2010
Patent Application Number
12476329
Date Filed
June 2, 2009
Patent Primary Examiner
Patent abstract
An ion concentration sensor produces a signal reflective of the ion concentration within a solution. The ion concentration sensor is based on an ion sensitive transistor having a solution input, a reference input, a diffusion input, and a diffusion output. The ion sensitive transistor is connected as a pass transistor, such that the diffusion output provides an electrical signal indicating an ion concentration in a solution contacting the solution input.
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