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| Number | Title | Issue Date |
| 7978804 | Low power neutron generators A neutron generator and method of constructing the same. The generator includes a grid configured to produce an ionizable gas when heated by electrons impinging thereon. A cathode emits electrons to heat the grid and to collide with produced ionizable gas atoms to g... | 07/12/2011 |
| 7596197 | Gamma source for active interrogation A cylindrical gamma generator includes a coaxial RF-driven plasma ion source and target. A hydrogen plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A cylindrical gamma generating target is coaxial with the ion generator... | 09/29/2009 |
| 7362842 | Cylindrical neutron generator A cylindrical neutron generator is formed with a coaxial RF-driven plasma ion source and target. A deuterium (or deuterium and tritium) plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A cylindrical neutron generating ta... | 04/22/2008 |
| 7342988 | Neutron tubes A neutron tube or generator is based on a RF driven plasma ion source having a quartz or other chamber surrounded by an external RF antenna. A deuterium or mixed deuterium/tritium (or even just a tritium) plasma is generated in the chamber and D or D/T (or T) ions a... | 03/11/2008 |
| 7313221 | Radiographic equipment The invention concerns radiographic equipment. The equipment includes a source of substantially mono-energetic fast neutrons produced via the deuterium-tritium or deuterium-deuterium fusion reactions, comprising a sealed-tube or similar generator for producing the n... | 12/25/2007 |
| 7247845 | Method and device for cluster fragmentation A method for cluster fragmentation comprises the production of at least one cluster which contains a carrier substance and the fragmentation of the cluster into cluster fragments, with the cluster being loaded before the fragmentation with at least one reaction part... | 07/24/2007 |
| 7176469 | Negative ion source with external RF antenna A radio frequency (RF) driven plasma ion source has an external RF antenna, i.e. the RF antenna is positioned outside the plasma generating chamber rather than inside. The RF antenna is typically formed of a small diameter metal tube coated with an insulator. An ext... | 02/13/2007 |
| 7139349 | Spherical neutron generator A spherical neutron generator is formed with a small spherical target and a spherical shell RF-driven plasma ion source surrounding the target. A deuterium (or deuterium and tritium) ion plasma is produced by RF excitation in the plasma ion source using an RF antenn... | 11/21/2006 |
| 6975072 | Ion source with external RF antenna A radio frequency (RF) driven plasma ion source has an external RF antenna, i.e. the RF antenna is positioned outside the plasma generating chamber rather than inside. The RF antenna is typically formed of a small diameter metal tube coated with an insulator. An ext... | 12/13/2005 |
| 6974950 | Positive and negative ion beam merging system for neutral beam production The positive and negative ion beam merging system extracts positive and negative ions of the same species and of the same energy from two separate ion sources. The positive and negative ions from both sources pass through a bending magnetic field region between the ... | 12/13/2005 |
| 6925137 | Small neutron generator using a high current electron bombardment ion source and methods of treating tumors therewith A neutron generator includes a modular arrangement of a high current electron bombardment ion source, providing deuterium(D) and/or tritium(T) ions, a high voltage acceleration stage to accelerate the ions and raise the ion energy to the order of 100 keV, and an occ... | 08/02/2005 |
| 6922455 | Gas-target neutron generation and applications Described herein are integrated systems for generating neutrons to perform a variety of tasks including: on-line analysis of bulk material and industrial process control (as shown in FIG. 1), security interrogation (as shown in FIG. 2), soil and enviro... | 07/26/2005 |
| 6907097 | Cylindrical neutron generator A cylindrical neutron generator is formed with a coaxial RF-driven plasma ion source and target. A deuterium (or deuterium and tritium) plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A cylindrical neutron generating ta... | 06/14/2005 |
| 6870894 | Compact neutron generator A compact neutron generator has at its outer circumference a toroidal shaped plasma chamber in which a tritium (or other) plasma is generated. A RF antenna is wrapped around the plasma chamber. A plurality of tritium ion beamlets are extracted through spaced extract... | 03/22/2005 |
| 6680480 | Laser accelerator produced colliding ion beams fusion device A fusion device consisting of two colliding ion beams, each produced by a high power, femtosecond regime, chirped pulsed amplification (CPA) laser acceleration device. The CPA laser creates an ionized plasma and subsequently accelerates electrons to multi... | 01/20/2004 |
| 6654433 | Method and machine for producing energy by nuclear fusion reactions An experimental machine (1) for producing low-temperature nuclear fusion reactions, wherein an ion source (3) feeds a flux of positive deuterium ions to a reaction chamber (2) housing a target (5) defined by active elements (30, 31) and by an aggregate of... | 11/25/2003 |
| 6477217 | Target for neutron scattering installation Flow of mercury from a liquid-heavy-metal inflow port toward an inner forward end of a container body is rectified by a plurality of incoming-passage guide vanes in a liquid-heavy-metal incoming passage. Flow of the mercury from the forward end of the con... | 11/05/2002 |
| 6141395 | Sealed neutron tube A sealed neutron tube is provided, in which an insulating structure is designed to be solid to enhance the shock-proof performance thereof, an ion beam drawn out from an ion source is pulsated more rapidly, and the lifetime of a target is increased withou... | 10/31/2000 |
| 5970108 | Method and apparatus for detecting high velocity alpha particles having captured electrons An apparatus for the creation and detection of high velocity alpha particles accompanied by one or two captured electrons. The apparatus is a modification of the well-known Cockcroft and Walton experiment used to disintegrate lithium-7 into high energy al... | 10/19/1999 |
| 5745536 | Secondary electron ion source neutron generator A neutron generator employing an electron emitter, an ion source bombarded by the electrons from the electron emitter, a plasma containment zone, and a target situated between the plasma containment zone and the electron emitter. The target contains occlu... | 04/28/1998 |
| 5745537 | Neutron tube with magnetic confinement of the electrons by permanent magnets and its method of manufacture A sealed neutron tube with magnetic confinement of the electrons by permanent magnets. The sealed tube contains a D-T gas mixture under low pressure, fitted with a target, an extraction-acceleration electrode (EAE) and an ion source with 2n Penning cells ... | 04/28/1998 |
| 5586153 | Process for producing radionuclides using porous carbon A process for producing radionuclides using a porous carbon target. The process includes the steps of inserting a porous carbon target with tailored solid and void dimensions in the path of a bombarding beam; introducing fluid into the porous carbon targe... | 12/17/1996 |
| 5293410 | Neutron generator A neutron generator, comprising: (i) an ion source comprising an anode and a thermionic cathode disposed in an ionizable gas environment (e.g. hydrogen isotope); (ii) means for heating the cathode so that the latter emits electrons which, when colliding with t... | 03/08/1994 |
| 5135704 | Radiation source utilizing a unique accelerator and apparatus for the use thereof A high energy, charged particle accelerator, and radiation sources utilizing such accelerator are provided. More particularly, a high yield neutron generator and apparatus for the use of such generator are provided. The generator utilizes an ion source, a... | 08/04/1992 |
| 4935194 | High-flux neutron generator comprising a long-life target A neutron generator comprising a target (16) which is struck by a hydrogen isotope ion beam and which is formed by a structure comprising a thin absorbing active layer (19) deposited on a carrier layer (18). In accordance with the invention, on the two ab... | 06/19/1990 |
| 4835446 | High field gradient particle accelerator A high electric field gradient electron accelerator utilizing short duration, microwave radiation, and capable of operating at high field gradients for high energy physics applications or at reduced electric field gradients for high average current interm... | 05/30/1989 |
| 4780647 | Compact high power accelerator A system for providing a compact, high power particle accelerator powered by a modulated intense relativistic electron beam. In a preferred embodiment a first source develops a high power intense relativistic electron beam (IREB). A modulating apparatus m... | 10/25/1988 |
| 4755344 | Method and apparatus for the production of cluster ions A method and apparatus for the production of cluster ions, and preferably isotopic hydrogen cluster ions is disclosed. A gas, preferably comprising a carrier gas and a substrate gas, is cooled to about its boiling point and expanded through a supersonic n... | 07/05/1988 |
| 4724117 | Polarization of fast particle beams by collisional pumping Method and apparatus for highly polarizing a fast beam of particles by collisional pumping, including generating a fast beam of particles, and also generating a thick electron-spin-polarized medium positioned as a target for the beam. The target is made s... | 02/09/1988 |
| 4675145 | Magnetically insulated diode for generating pulsed neutron and gamma ray emissions A magnetically insulated diode employs a permanent magnet to generate a magnetic insulating field between a spaced anode and cathode in a vacuum. An ion source is provided in the vicinity of the anode and used to liberate ions for acceleration toward the ... | 06/23/1987 |
| 4666651 | High energy neutron generator A high energy neutron generator for use in neutron therapy. The generator comprises a source for charged particles (preferably protons) with an energy level equal to at least 15 MeV, a target constituted by at least two lithium deuteride elements, whose thickn... | 05/19/1987 |
| 4529571 | Single-ring magnetic cusp low gas pressure ion source A single-ring magnetic cusp low gas pressure ion source designed for use in a sealed, nonpumped neutron generator utilizes a cathode and an anode, three electrically floating electrodes (a reflector behind the cathode, a heat shield around the anode, and ... | 07/16/1985 |
| 4457205 | Multiple fiber armatures for electromagnetic launchers An armature for electromagnetic launchers is provided with multiple conductive fibers which form a multi-contact interface with the launcher rails. The fibers are attached to an insulating armature support and can extend across the launcher bore or be att... | 07/03/1984 |
| 4444717 | Apparatus for removing energy A process to produce energy with the fusion of hydrogen and carbon in a thermonuclear fusion reaction with an extension, wherein carbon targets are bombarded with a beam of fast protons at temperatures of 457 kev. The thermonuclear fusion reaction produce... | 04/24/1984 |
| 4435354 | Method for the release of thermonuclear energy combining impact, magnetic and inertial confinement fusion In the invention, first a relatively large mass is accelerated to a few 10 km/sec and then used to implode and compress a dense magnetized plasma confined inside a small cavity. In the proposed invention the dense plasma shall consist of thermonuclear mat... | 03/06/1984 |
| 4425529 | Charged-particle accelerating device for metric wave operation The particle-accelerating device comprises a charged-particle source, a linear accelerating structure formed by a series of accelerating resonant cavities, an electromagnetic wave generator for emitting a signal to be injected into at least one of the res... | 01/10/1984 |
| 4300054 | Directionally positionable neutron beam Disclosed is apparatus for forming and directionally positioning a neutron beam. The apparatus includes an enclosed housing rotatable about a first axis with a neutron source axially positionable on the axis of rotation of the enclosed housing but rotatio... | 11/10/1981 |
| 4298804 | Neutron generator having a target A neutron generator having a target which is hit by a beam of hydrogen ions. The target comprises a metal layer having a large coefficient of absorption for hydrogen, which is provided on a carrier layer of a metal having small coefficients of absorption ... | 11/03/1981 |
| 4283631 | Bean scanning and method of use for ion implantation In an ion implantation system, departure from uniform ion dosage of a planar workpiece is first compensated by modulating the scan rate of at least one coordinate of scan deflection in accordance with a non-linear waveform. The non-linear waveform is digi... | 08/11/1981 |
| 4264823 | Well logging digital neutron generator control system A pulsed neutron well logging system using a sealed off neutron generator tube is provided with a programmable digital neutron output control system. The control system monitors the target beam current and compares a function of this current with a prepro... | 04/28/1981 |
