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. 23, 2024
Filed:
Mar. 18, 2020
Applicant:
United Kingdom Research and Innovation, Swindon, GB;
Inventors:
James Anthony Clarke, Warrington, GB;
Benjamin John Arthur Shepherd, Warrington, GB;
Norbert Collomb, Warrington, GB;
Alexander Robert Bainbridge, Warrington, GB;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/02 (2006.01); H01F 7/04 (2006.01); H01F 41/02 (2006.01); H05H 7/04 (2006.01);
U.S. Cl.
CPC ...
H01F 7/0278 (2013.01); H01F 41/0253 (2013.01); H05H 7/04 (2013.01);
Abstract
There is provided a multipole magnet for deflecting a beam of charged particles. The multipole magnet comprises a plurality of ferromagnetic poles and a plurality of permanent magnet assemblies to supply a magnetomotive force to the ferromagnetic poles. At least one of the permanent magnet assemblies has a plurality of discrete permanent magnet positions and a plurality of permanent magnets each fixed in one of the permanent magnet positions.