American Express Company
Method of making ceramic-containing transaction cards
Last updated:
Abstract:
A transaction card includes a card body that may comprise a ceramic material, the card body including a primary surface and a secondary surface, a laser marked feature disposed on the card body and a laser etched feature disposed on the card body. A method of making a transaction card may comprise forming a ceramic material slurry comprising a ceramic material and a binder, forming a green body from the ceramic material slurry, firing the green body at a firing temperature to create a fired ceramic body, grinding the fired ceramic body into a card body, and polishing a primary surface of the card body.
Status:
Grant
Type:
Utility
Filling date:
15 Mar 2016
Issue date:
31 Mar 2020