Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2007-11-06
2007-11-06
Kim, Paul D. (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S592100, C029S831000, C029S832000, C073S862046, C073S862042, C073S862041, C073S862045, C438S050000, C438S051000
Reexamination Certificate
active
10714825
ABSTRACT:
A fingerprint-sensing device with a sensor array that does not use active switching elements is fabricated on a base. Sensor support integrated circuits, which contain processing and addressing circuitry, are separately fabricated and subsequently mounted on the base, establishing electrical connections with an interconnect structure within the base, and are thus not integrated with the sensor array. The sensor support integrated circuits can be covered by a bezel structure and the sensor array by a covering material. In addition, a connection cable can be provided to connect the sensor array and the sensor support integrated circuits with a power source and to other external devices and to convey signals generated by the sensor array to the external devices.
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“A simple fingerprint sensor based on ridge conductivity”; Olavarrieta Fritsche, G.; Nakano Miyatake, M.; Design of Mixed-Mode Integrated Circuits and Applications on Jul. 26-28, 1999; pp. 207-209.
Deconde Keith T.
Dobkin Robert
Ganapathi Srinivasan K.
Gluck Randolph S.
Hovey Steve H.
Fidelica Microsystems Inc.
Kim Paul D.
Pillsbury Winthrop Shaw & Pittman LLP
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