ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,304, issued on Sept. 8, was assigned to Carl Zeiss Microscopy GmbH (Jena, Germany).
"Infinity-corrected microscope objective for scanning applications" was invented by Daniel Werdehausen (Oberkochen, Germany) and Yueqian Zhang (Jena, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An infinity-corrected microscope objective for scanning applications has a relatively small number of lenses that are dependent on the etendue such that the objective has: i) a first etendue in the range of 0.8 mm2 to 1.8 mm2 and a maximum of nine lenses; or ii) a second etendue in the range of more than 1.8 mm2 and not more than 15 lenses."
The patent was filed on...