Collection of ions in a plasma by magnetic field acceleration with selective polarization
Patent 3959649 Issued on May 25, 1976. Estimated Expiration Date: 
May 25, 1993. 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.
May 25, 1993. 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 2938116 2945125 3294970 3443087 3478204 3484603 3723741 3772519 InventorApplicationNo. 428661 filed on 12/27/1973US Classes:250/299, With detector204/157.22, Using laser250/282, Methods250/283, With collection of ions250/288With sample supply meansExaminersPrimary: Lawrence, James W.Assistant: Anderson, B. C. Attorney, Agent or FirmAbstractMethod and apparatus for generating and accelerating ions in a vapor by use of relatively polarized laser radiation and a magnetic field. As applied to uranium isotope enrichment, a flowing uranium vapor has particles of the U235 isotope type selectively ionized by laser radiation and the ionized flow is subjected to a transverse gradient in a magnetic field. The magnetic field gradient induces an acceleration on the ionized particles of U235 which deflects them from their normal flow path toward a collecting structure. High magnetic field and corresponding high ion accelerations are achieved without loss in ionization selectivity by maintaining a polarization between the applied laser radiation and magnetic field which minimizes Zeeman splitting of the uranium energy states. |
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