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:
Dec. 07, 1999
Filed:
Dec. 30, 1998
Applicant:
Inventors:
Robert Henry Becker, Jr, Burlingame, CA (US);
Gregory F Hayworth, Florence, SC (US);
Kenneth Gordon Herd, Niskayuna, NY (US);
Xianrui Huang, Florence, SC (US);
Peter Angus Morgan, Scotia, NY (US);
Richard Andrew Ranze, Scotia, NY (US);
Minfeng Xu, Florence, SC (US);
Assignee:
General Electric Company, Milwaukee, WI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
335301 ; 324320 ;
Abstract
A passive shimming system for a superconducting magnet to improve bore magnetic homogeneity includes a plurality of axially extending non-magnetic drawers each including a plurality of pockets along the drawer with a securable cover for each pocket to enclose the selected ferromagnetic shim disks and compressible spring material to enable individual access and shimming of selected pockets.