The universal integrated circuit card is the physical smart card used in mobile terminals in 2G, 3G, 4G, and 5G networks. The UICC ensures the integrity and security of all kinds of personal data, and
X-Ray of a SIM card showing small rectangular semiconductor chip (central small rectangle) and five bond wires leading to the connection pads. This can also be seen by peeling off the UICC from an old credit or debit card, as those are single-sided.
A 25 × 15 mm Vodafone New Zealand SIM card
Smart card
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A smart card, chip card, or integrated circuit card, is a card used to control access to a resource. It is typically a plastic credit card-sized card with an embedded integrated circuit chip. Many sma
Universal integrated circuit card
…The universal integrated circuit card (UICC) is the physical smart card (integrated circuit card) used in mobile terminals in 2G (GSM), 3G (UMTS), 4G (LTE), and 5G networks. The UICC ensures the integrity and security of…
Finnish national identity card
One of the first smart card prototypes, created by its inventor Roland Moreno around 1975. The chip has not yet been miniaturized. On this prototype, one can see how each pin of the microchip (center) is connected to the exterior world by a copper connector.
4 by 4 mm silicon chip in a SIM card, which was peeled open. Note the thin gold bonding wires and the regular, rectangular digital-memory areas.
Contact-type smart cards may have many different contact pad layouts, such as these SIMs.