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:
Apr. 22, 1986
Filed:
Nov. 16, 1984
Applicant:
Inventors:
Ian J Brown, Oxon, GB;
John M Bird, Oxon, GB;
Assignee:
Union Camp Corporation, Wayne, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335301 ; 335211 ; 324320 ;
Abstract
A magnet system comprises magnetic field generating means such as a superconducting magnet (12) and a shield including a number of sheets (9) of magnetic material, the size (l.sub.z, l.sub.x) and position (r) of the or each sheet (9) relatively to the magnetic field generating means (12) being such that in use at the edge of the sheet or sheets the component of magnetization (M.sub.z) parallel to the sheet in the direction of the magnetic field is less than or substantially equal to zero.