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