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:
May. 04, 2021
Filed:
Jun. 18, 2019
Applicant:
Triad National Security, Llc, Los Alamos, NM (US);
Inventors:
John Lewellen, Los Alamos, NM (US);
Kimberley Nichols, Los Alamos, NM (US);
Heather Andrews, Los Alamos, NM (US);
Ryan Fleming, Los Alamos, NM (US);
Assignee:
Triad National Security, LLC, Los Alamos, NM (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J 3/24 (2006.01); H01J 3/12 (2006.01);
U.S. Cl.
CPC ...
H01J 3/24 (2013.01); H01J 3/12 (2013.01);
Abstract
Variable-focus solenoidal lenses for charged particle beams with integrated emittance filtering are disclosed. The emittance may be controlled via selection of collimating irises. The focal length may be changed by altering the spacing between two permanent ring magnets.