The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2023
Filed:
Jul. 20, 2020
Applicant:
Carl Zeiss Microscopy Gmbh, Jena, DE;
Inventor:
Alexander Epple, Aalen, DE;
Assignee:
Carl Zeiss Microscopy, Jena, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 21/00 (2006.01); G02B 21/33 (2006.01); G02B 21/02 (2006.01);
U.S. Cl.
CPC ...
G02B 21/33 (2013.01); G02B 21/0072 (2013.01); G02B 21/025 (2013.01);
Abstract
An immersion objective includes a correction group or correcting a spherical aberration. The displacement of the correction group along the optical axis leads to a substantially negligible defocus aberration.