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:
Sep. 13, 2022
Filed:
Jul. 23, 2018
Tecan Trading Ag, Männedorf, CH;
Andreas Erlbacher, Grödig, AT;
Markus Schürf, Bergen, DE;
Josef Grassl, Schönau am Königssee, DE;
Alexander Kaser, Puch bei Hallein, AT;
TECAN TRADING AG, Männedorf, CH;
Abstract
A systemand method are provided for imaging a sample in a sample holder. For providing autofocus, a 2D pattern is projected onto the sample holdervia an astigmatic optical element. Image dataof the sample is acquired by an image sensorvia magnification optics. A difference in sharpness of the two-dimensional pattern in the image data is measured along a first axis and a second axis. Based on the difference, a magnitude and direction of defocus of the camera subsystem is determined with respect to the sample holder. This enables the sample holder, and thereby the sample, to be brought into focus in a fast and reliable manner.