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:
Aug. 18, 2020
Filed:
Aug. 21, 2018
Applicant:
Fei Company, Hillsboro, OR (US);
Inventors:
Rients Jan De Groot, Heeze, NL;
Casper Smit, Eindhoven, NL;
Assignee:
FEI Company, Hillsboro, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/00 (2006.01); H01J 37/16 (2006.01); G21F 1/08 (2006.01);
U.S. Cl.
CPC ...
H01J 37/165 (2013.01); G21F 1/085 (2013.01);
Abstract
An x-ray shield for improved vacuum conductivity is disclosed herein. An example x-ray shield includes at least one elongate member formed from high atomic weight material shaped into a twist with at least 180° of twist.