Radially magnetized cylindrical magnet
Patent 4614930 Issued on September 30, 1986. Estimated Expiration Date: 
March 25, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 25, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2272766 3237059 Variable strength beam line multipole permanent magnets and methods for their use Method of NMR imaging which overcomes T2 * effects in an inhomogeneous static magnetic field NMR Imaging apparatus Patent #: 4498048 InventorsApplicationNo. 06/715709 filed on 03/25/1985US Classes:335/302, Permanent magnets335/306Plural magnetsExaminersPrimary: Harris, GeorgeAttorney, Agent or FirmInternational ClassH01F 7/02 (20060101)AbstractA permanent magnet assembly for use in magnetic resonance imagers requires a minimum of permanent magnet material. The magnets are arranged with a radial direction of magnetization and an iron return path is used. The specific configurations of the permanent magnets provide highly uniform magnetic fields in the bore of the assembly. | |
