ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,690, issued on Nov. 11.
"Desorption ion source with post-desorption ionization in transmission geometry" was invented by Andreas Haase (Bremen, Germany), Jens Hohndorf (Bremen, Germany) and Jens BoBmeyer (Bremen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus to generate ions from sample material deposited on a substrate which is at least partially transparent to electromagnetic waves, comprises: -a support device having a holder for the substrate, -a desorption/ionization unit including a desorption device and an ionization device, said desorption device being configured to desorb deposited sample material from a desorption sit...