Magnetic stripe card is used in each field. There are three magnetisms to record the data. It needs to use with terminal device, such as credit card, securities card, and member card; Inquire card, savings card, tickets and so on.
Low coercivity - LoCo: 300oe/350oe
High coercivity - HiCo: 2500-4000oe (2750 oe is common) |
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