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BACKGROUND

0002 Fingerprint sensing and matching is a reliable and widely used technique for personal identification or verifica tion. In particular, a common approach to fingerprint identi fication involves scanning a sample fingerprint or an image thereof and storing the image and/or unique characteristics of the fingerprint image. The characteristics of a sample finger print may be compared to information for reference finger prints already in a database to determine proper identification of a person, such as for verification purposes. 0003. A fingerprint sensor may be particularly advanta geous for Verification and/or authentication in an electronic device, and more particularly, a portable device, for example. Such a fingerprint sensor may be carried by the housing of a portable electronic device, for example, and may be sized to sense a fingerprint from a single-finger. 0004. Where a fingerprint sensor is integrated …