| 摘要 |
The method comprises introducing a security thread (4) into a card body (1) such that the security thread includes sheets connected to each other. The sheets comprise core sheets (301) and cover sheets (2) applied over the core sheets. The core sheets are laminated within the security thread. The cover sheets are connected together at different positions in the card body and connected together by interweaving the threads based on a single chain stitch, a lock-stitch and/or an over-lock-stitch. An independent claim is included for a card body. |
