Magnetic card is a card shaped magnetic recording medium that uses a magnetic carrier to record character and numerical information for identification or other purposes. Magnetic cards are made of high-strength, high-temperature resistant plastic or paper coated plastic, which can be moisture-proof, wear-resistant, and have a certain degree of flexibility. They are easy to carry and have stable and reliable use. For example, the bank card we use is the most common type of magnetic stripe card.

Magnetic cards are easy to use, cost-effective, and have a wide range of applications. They can be used to make credit cards, bank cards, subway cards, bus cards, ticket cards, and phone cards; Electronic game cards, train tickets, plane tickets, and various transportation fee cards, etc. Today, we use magnetic cards in many occasions, such as dining in the cafeteria, shopping in the mall, taking the bus, making phone calls, entering restricted areas, and so on.

Depending on the substrate used, magnetic cards can be divided into three types: PET cards, PVC cards, and paper cards;

Depending on the structure of the magnetic layer, it can be divided into two types: magnetic stripe cards and fully coated magnetic cards.