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Capacitance measuring apparatus and capacitance measuring method

Image Number 3 for United States Patent #7812619.

A capacitance measuring apparatus which comprises: a voltage source for applying voltage fluctuation to a device under test; a current source for absorbing the current flowing through the resistance component of the device under test; and an ammeter for measuring the leakage current flowing through the device under test before and after voltage fluctuation and the charging current flowing through the device under test as a result of voltage fluctuation.

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