Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2006-12-12
2006-12-12
Benson, Walter (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S693000
Reexamination Certificate
active
07148707
ABSTRACT:
A conductivity sensor includes a sensor body having an inner surface and an outer surface. A first and a second electrode formed of a solid conducting material are positioned through the inner surface of sensor body. An epoxy resin is positioned in the inner surface of the sensor body thereby encapsulating a portion of the first and second electrode. The epoxy resin forms an active surface that exposes a first end of the first and a first end of the second electrode for conductivity measurement and forms a connector surface that exposes a second end of the first and a second end of the second electrode for electrically interfacing with a conductivity measurement circuit.
REFERENCES:
patent: 5728289 (1998-03-01), Kirchnavy et al.
patent: 6828808 (2004-12-01), Srinivasan et al.
patent: 2004/0149663 (2004-08-01), Nakanishi et al.
patent: 2005/0081572 (2005-04-01), Park et al.
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