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.

Date of Patent:
May. 30, 2006

Filed:

Dec. 04, 2002
Applicants:

Evangelos Trifon Laskaris, Niskayuna, NY (US);

Michael Anthony Palmo, Ballston Spa, NY (US);

Kathleen Melanie Amm, Clifton Park, NY (US);

Paul Shadforth Thompson, Stephentown, NY (US);

Inventors:

Evangelos Trifon Laskaris, Niskayuna, NY (US);

Michael Anthony Palmo, Ballston Spa, NY (US);

Kathleen Melanie Amm, Clifton Park, NY (US);

Paul Shadforth Thompson, Stephentown, NY (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/00 (2006.01); H01F 3/00 (2006.01); H01F 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An imaging apparatus, such as an MRI system, contains at least one layer of soft magnetic material between the yoke and each permanent magnet. This imaging apparatus may be operated without pole pieces due to the presence of the soft magnetic material. The permanent magnets may be fabricated by magnetizing unmagnetized alloy bodies after the unmagnetized alloy bodies have been attached to the yoke.


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