Capacitive probe assembly with flex circuit

Details Capacitive probe assembly with flex circuit Capacitive probe assembly with flex circuit

2005-08-16

2005-08-16

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S686000

Reexamination Certificate

active

06930494

ABSTRACT:
A novel capacitive sensor assembly that utilizes a flex circuit for amplification of capacitively sensed signals and for separating the power, ground, and measurement signals is presented. The use of a flex circuit in the capacitive probe assembly allows implementation of multiple capacitive sensors for respectively capacitively coupling multiple signals from respective multiple test points of a circuit under test. The invention integrates the sensor plate, amplifier, and return wiring for each capacitive sensor all onto one flex circuit.

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