How to distinguish several generations of social security cards?

Release time and chip technology are different.

Issue time: 1999, the first generation social security cards were issued one after another; The second generation social security cards were issued in 2009, and the third generation social security cards were issued in 20 17.

Chip technology: the first generation of social security card contact IC card technology; The second generation social security card adopts contact chip technology, and the third generation social security card adopts contactless chip technology, namely near field communication (NFC) technology.