Smart card chip contact - it is a memory card, which is a plastic card with built-in smart chip. These cards are used for storage and as an identifier in different systems.
Memory cards are used to store information. Memory for these types of cards is always open for reading is limited to the recording of information. Maps vary the amount of memory for user data and its organization, some of the features. Examples of products of smart cards: SLE4442, SLE4428. Used in the systems of loyalty, access control, in social projects.
It is often referred to as smart cards smart cards, and for good reason: the prefix "Smart" translates to English as "intelligent."
Smart cards are divided into contact and contactless. Contact, in turn, are:
with ISO 7816 interface
with USB interface (a more modern and convenient option).
To read the contact smart card, it must bring to the close reader (reader).
Contact occurs through contact of small raised dots (they are usually 6-8) on the surface of the chip. This method is easier to read non-contact, and wear maps in this case above.
Another advantage of the smart card is a high level of security, because the chip is very difficult to forge.
Used contact smart cards more often as a card to pay for telephone services and cellular communications, a number of bank cards, insurance and medical insurance policies, as well as access keys.