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Inkless Fingerprinting – No Ink Stained Hands
It was the Chinese that first discovered and began to use fingerprinting as a means for individual identification. That was over 1500 years ago but back then they didn’t use it for crime solving. One thing that the Chinese used it for back then was as a means for signing and officiating documents and items such as works of art.
One big problem with fingerprinting was that ink was always used for taking the actual fingerprint. This left the person who had been fingerprinted with black ink all over the fingers and hands, until it finally wore off, which could take days. So, obviously new methods needed to be developed.
This in turn, led to electronic scanning technologies to be developed but these methods and technologies also had their inherent shortcomings. For instance, they required some level of training to operate. Also, they often are fickle and can take several tries before they register a viable print.
With more and more businesses, government as well as private entities looking to incorporate fingerprinting into their day to day operations a new method had to be developed. One that contained the best aspects of all of the technologies that had been previously developed.
This in turn has led to the development and the growing popularity of inkless fingerprinting. With inkless fingerprinting the person being printed is presented with what looks like an empty ink pad, devoid of ink.
In reality, the pad contains a harmless chemical that sticks to their skin just like ink would. After they have applied their finger tip to the inkless ink pad, they they then push their finger tip onto a piece of paper that is coated with another chemical the reacts with the one contained in the ink pad. “Presto-chango”, an instant dark fingerprint appears!
About the Author
Authored by Alexis Oroville. Now you can find everything you wanted to know about inkless fingerprint
as well as fingerprinting
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