US Patent 11842240 Metal dual interface card

A dual interface transaction card includes a metal card body having first and second surfaces. A contact-only transaction module is secured in the card body, the contact-only transaction module including contact pads disposed on the first surface of the card body and including a first transaction circuit. A contactless transaction module is secured in a void in the metal card body. The contactless transaction module includes a second transaction circuit and an antenna. Also disclosed is a process for manufacturing the dual interface transaction card. The process includes the steps of constructing a metal card body having the first and second surfaces, securing the contact-only transaction module in the metal card body, forming the void in the metal card body, and securing the contactless transaction module in the void.