In
biometrics and fingerprint scanning, fraction ridge refers to the ridges found on the skin
of fingers and palms that make contact with a surface under normal touch.
The friction ridges combined make up a fingerprint.
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"