Fingerprints
Devices used for fingerprints
Layers/Nerves
Ridge lines/Minutiae
100
What type of fingerprint is this ?
Whirl, Arch, Or Loop.%2520Loops.jpeg)
Loop
100
what are optical scanners used for ?
takes a picture of a fingerprint and analyzes it to identify your unique patterns
100
What are the 3 main layers of the volar pads ?
Epidermis, Basal Layer, and the Dermis
100
How many ridge lines do we have in only one fingerprint ?
40-100 ridge lines
200
What type of fingerprint is this ?
Whirl, Arch, Or Loop.%2520Whorls.jpeg)
Whirl
200
What are Capacitance scanners used for ?
measuring the tiny variations in between the ridges and valleys of a finger
200
would your twin have the same fingerprint as you ?
No
200
how many type of ridge lines are there ?
8 total ridge lines
300
What type of fingerprint is this ?
Whirl, Arch, Or Loop.%2520Tented%2520arch.jpeg)
Arch
300
What are Thermal scanners used for ?
operate by sensing the tiny thermal differences between the ridges in fingerprints
300
how many nerves are in your finger ?
there are 3 main nerves
300
what are all 8 ridge lines ?
ridge endings, bifurcations, dots, short ridges, spurs, bridges, enclosures, and deltas
400
How many fingerprint types are there in total?
There are 8 different fingerprint types.
400
What are the 3 main ways to pick a fingerprint up ?
fingerprint dusting with power on non-porous surfaces, Chemical development on non-porous surfaces, and applying chemical solution on porous surfaces.
400
What are minutiae Points ?
points in a fingerprint where a ridge line ends or splits into two ridges
500
Will someone ever have the same fingerprint as you ?
No