Adelphi Technology, Inc.

Richard Harris Pantell

Melvin Arthur Piestrup

Charles Kevin Gary

Hector R Beguiristain

Jay T Cremer

A method for neutron-capture therapy has steps for emitting fast neutrons from a plurality of target structures by ion bombardment from ion sources DC biased to the target structures, the target structures positioned around a moderator structure composed primarily of moderator material, the moderator structure having a length, an outer periphery, an outer surface, an inside volume, and an inner surface, the inside volume defining a treatment zone, reflecting fast neutrons that are emitted from the target structures in a direction away from the moderator structure, into the moderator structure, by a reflector structure surrounding the moderator structure, the target structures, and the ion sources, moderating fast neutrons passing inward through the moderator structure toward the treatment zone to epithermal energy level, and creating a density of epithermal neutrons in the treatment zone, from neutrons entering the treatment zone across the inner surface of the moderator structure.

Neutron source for neutron capture therapy

A therapy apparatus for producing thermal neutrons at a tumor site in a patient has a plurality of fast neutron sources surrounding a moderator, a fast neutron reflecting media around the fast neutron sources, a gamma-ray and neutron shielding media surrounding the fast neutron reflecting media, and a patient chamber positioned inside the moderator. The fast neutron sources are positioned around the moderator to maximize and direct the neutron flux to said tumor site.

Methods of imaging, focusing and conditioning neutrons

In accordance with the present invention, a compound refractive lens for focusing, collecting and collimating x-rays comprising N individual unit lenses numbered i&equals;1 through N, with each unit lens substantially aligned along an axis such that the i-th lens has a displacement t,orthogonal to said axis, with said axis located such that the sum of the displacements t,equals zero, and wherein each of said unit lenses comprises a lens material having a refractive index decrement less than 1 at a wavelength less than 100 Angstroms.

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Portola Valley, CA, United States of America

Richard Harris Pantell