Patent ID: 11875203
Assignee: KONA M CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. The card according to claim 8, wherein
the first overlay layer includes: an insulating layer stacked on the antenna inlay layer; and a metal layer of a heat-treated SUS material stacked on the insulating layer to improve strength and restoring force, and
the second overlay layer includes: an epoxy layer that covers a bottom surface of the antenna inlay layer; a printed layer stacked on a bottom of the epoxy layer; and an antibacterial layer stacked on a bottom of the printed layer using an antibacterial material, and
the metal layer, the insulating layer, the antenna inlay layer, the epoxy layer, the printed layer, and the antibacterial layer are laminated.