Image Source: "See How Fingerprint Scanners Work"
See "How Fingerprint Scanners Work" in the ""Did You Know..." section of Webopedia.
See also "How Biometrics Security Works" in the "Did You Know..." section of Webopedia.

* Image Source: "See How Fingerprint Scanners Work"

Biometric Consortium 
Extensive collection of information pertaining to the research, development, testing, evaulation, and application of biometric-based personal identification/verification technology. The Biometric Consortium serves as the U.S. Government's focal point for this technology.

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