ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,757, issued on Sept. 8, was assigned to Carl Zeiss Microscopy GmbH (Jena, Germany).

"Device and method for preparing microscopic samples via backside thinning" was invented by Heiko Stegmann (Dresden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a sample holder for holding a microsample during backside thinning, and to a backside thinning method. The sample holder is mountable on a sample stage and comprises a base plate, an intermediate piece and a receiving device. The base plate has a base face. The intermediate piece is rotatably arranged on the base plate and is rotatable about a first axis of rotation R1, wh...