Deliberate impressions of fingerprints can be formed by ink or other substances and passed on to a relatively smooth surface such as a fingerprint card. They are easily deposited on surfaces like glass or metal or polished stone by the natural secretions of sweat from the eccrine glands that are present in epidermal ridges. So in this blog, we shall look at what fingerprint scanning technology is all about and how we have to come to depend on it mainly thanks to its use in our smartphones and even laptops/ computers.īefore we delve into this subject, let’s start by looking at what is a fingerprint.Ī fingerprint refers to an impression left by the friction ridges of a human finger. At a time when smartphones have become omnipresent, it is indeed interesting to note how fingerprint scanning has come to be an increasingly important feature in many of these phones.
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