ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,629, issued on April 7, was assigned to Ceramic Data Solutions GmbH (Gmunden, Austria).

"Method for long-term storage of information and storage medium therefor" was invented by Martin Kunze (Gmunden, Austria) and Christian Pflaum (Bernried, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an information storage medium and a method for long-term storage of information comprising the steps of: providing a ceramic substrate; coating the ceramic substrate with a layer of a second material different from the material of the ceramic substrate, the layer having a thickness no greater than 10 micro metre; tempering th...