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:
Jun. 13, 1978
Filed:
Aug. 05, 1976
Applicant:
Inventors:
Jacques Kervizic, Paris, FR;
Bernard Hurt, Paris, FR;
Assignee:
C.G.R. MeV, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335210 ; 313 62 ;
Abstract
A magnetic correcting device for locally modifying the strength of the magnetic field of a cylcotron in the zone of extraction of the accelerated particles to promote the extraction function and to ensure a suitable focusing of the emergent beam. In one embodiment, the device comprises a block of prismatic shape made of a composite laminated material formed by a stack of plates P.sub.1 and P.sub.2 of different permeabilities. The plates P.sub.1 are for example made of cobalt steel and those P.sub.2 of an non-magnetic material (copper for example).