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Class 376/116 - With ion beam collimator or filtering structure (e.g., extractor electrode)


Subclass of Class 376 - Induced nuclear reactions: processes, systems, and elements
Definition: Subject matter wherein (a) the cross-sectional area, or
No. of patents: 16
Last issue date: 03/11/2008


NumberTitleIssue Date
7342988Neutron 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
7139349Spherical 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
6922455Gas-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
6141395Sealed 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
5215703High-flux neutron generator tube
A neutron generator tube includes an ion source having at least one anode (6), at least one cathode (7) having at least one extraction port (12), and an accelerator electrode (2) arranged so as to project at least one ion beam from the ion source onto a t...
06/01/1993
5152956Neutron tube comprising an electrostatic ion source
A sealed neutron tube is set forth, containing a low-pressure gaseous deuterium-tritium mixture wherefrom an ion source (13) forms an ion beam which traverses an acceleration electrode (17) and is projected with high energy onto a target (16) in order to ...
10/06/1992
5130077Device for extraction and acceleration of ions in a high-flux neutron tube with an additional auxiliary pre-acceleration electrode
A device is set forth for the extraction and acceleration of ions in a sealed high-flux neutron tube in which an ion beam (3) is extracted from an ion source (1), after which it is accelerated by means of an acceleration electrode (2) so as to be projecte...
07/14/1992
5112564Ion extraction and acceleration device for reducing the re-acceleration of secondary electrons in a high-flux neutron tube
A device is set forth for the extraction and acceleration of ions in a high flux sealed neutron tube containing a low-pressure gaseous deuterium-tritium mixture, where an ion source (12) supplies several ion beams (3a, 3b, . . . 3e) which are projected on...
05/12/1992
5104610Device for perfecting an ion source in a neutron tube
The divergence of the magnetic field for confining the ionized gas (9) in a sealed high-flux neutron tube comprising a Penning-type ion source (1) is increased in the direction of the ion emission zone by influencing the magnet assembly (8) of the ion sou...
04/14/1992
5078950Neutron tube comprising a multi-cell ion source with magnetic confinement
A sealed neutron tube is set forth which contains a low-pressure gaseous deuterium-tritium mixture wherefrom an ion source forms an ionized gas which is guided by a magnetic electron confinement field produced by magnets (8), which source emits the ion be...
01/07/1992
5053184Device for improving the service life and the reliability of a sealed high-flux neutron tube
A device for improving the service life and the reliability of a sealed high-flux neutron tube, comprising a first part and a second part which are separated by an accelerator electrode (13). The accelerator electrode forms a shield between said parts and...
10/01/1991
4996017Neutron generator tube
A neutron generating system comprising a hermetically sealed housing containing an ionizable gas and a ring anode and target cathode of a Penning ion source. The housing is provided with a recess axially oriented relative to the ring anode and target cath...
02/26/1991
4210813Ionizing radiation generator
The proposed ionizing radiation generator comprises an ionizing radiation emitter including a resonance transformer whose field winding is arranged near the low-voltage end of the step-up winding, electrically associated with the electrically conducting h...
07/01/1980
4119858Compact long-lived neutron source
A compact apparatus with long lifetime for producing high-energy neutrons is described which is suitable for application to neutron well-logging and to activation analysis. It embodies a tritiated target bombarded by a beam of energetic deuterium ions, th...
10/10/1978
4090086Method and apparatus for generating neutrons
An apparatus and method for generating high-energy neutrons are disclosed. Neutron emissive target material is deposited on one or more surfaces on a rotatable, hollow, toroidal target support. Said surfaces are bombarded by beams of ions of generally rec...
05/16/1978
3968377Beam splitting to improve target life in neutron generators
In a neutron generator of the type in which a tritium-titanium target is bombarded by a deuterium ion beam, the target half-life is increased by separating the beam with a weak magnetic field to provide three separate beams of atomic, diatomic and triatom...
07/06/1976
 
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