CHARGED PARTICLE ACCELERATION DEVICE

• US 20160035449A1
• Filed: 02/25/2013
• Published: 02/04/2016
• Est. Priority Date: 02/24/2012
• Status: Active Grant

• Current Assignee: Regents of the University of California (University of California)
• Original Assignee: Regents of the University of California (University of California)
• Inventors: Hird, Jonathan, Putterman, Seth J., Naranjo, Brian
• Granted Patent: US 10,153,059 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G21B 1/11 Details
• CPC Class Codes: G21G 1/02 in nuclear reactors by thermonuclear reactions G21B; conversion of nuclear fuel G21C
• CPC Class Codes: H05H 15/00 Methods or devices for acceleration of charged particles not otherwise provided for , e.g. wakefield accelerators
• CPC Class Codes: Y02E 30/10 Nuclear fusion reactors

Abstract

A charged particle acceleration device according to some embodiments of the current invention includes a first triboelectric element, a second tribo-electric element arranged proximate the first tribo-electric element to be brought into contact with and separated from the first triboelectric element, an actuator assembly operatively connected to at least one of the first and second triboelectric elements to bring the first and second triboelectric elements into contact with each other and to separate the first and second triboelectric elements from each other, and a charged-particle source configured to provide charged particles in a gap between the first and second triboelectric elements.

Claims

1. A charged particle acceleration device, comprising:

a first triboelectric element;

a second triboelectric element arranged proximate said first triboelectric element to be brought into contact with and separated from said first triboelectric element;

an actuator assembly operatively connected to at least one of said first and second triboelectric elements to bring said first and second triboelectric elements into contact with each other and to separate said first and second triboelectric elements from each other; and

a charged-particle source configured to provide charged particles in a gap between said first and second triboelectric elements,

wherein said first and second triboelectric elements comprise triboelectric materials that become charged with respect to each other by a triboelectric interaction such that an electric field is established between said first and second triboelectric elements when they are separated from each other by said actuator assembly, and wherein said charged-particle source is configured to provide said charged particles in said gap between said first and second triboelectric elements to be accelerated towards one of said first and second triboelectric elements by said electric field.

2. A charged particle acceleration device according to claim 1, wherein said charged-particle source is an electron source.

3. A charged particle acceleration device according to claim 2, wherein said electron source is a photoelectric element.

4. A charged particle acceleration device according to claim 3, wherein said first triboelectric element comprises a first triboelectric material that charges with a negative charge by said triboelectric interaction to provide a cathode,

wherein said first triboelectric material is a photoconductive material, and

wherein said electron source comprises a light source arranged to illuminate at least a portion of said first triboelectric material such that said electrons provided by said electron source are provided by a photoelectric effect.

5. A charged particle acceleration device according to claim 4, wherein said light source is a source of ultraviolet light.

6. A charged particle acceleration device according to claim 5, wherein source of ultraviolet light comprises at least one of a light-emitting diode, a super-luminescent diode, a laser, or a high pressure lamp bulb.

7. A charged particle acceleration device according to claim 3, wherein said photoelectric element comprises a photoconductive element and a light source arranged to illuminate said photoconductive element such that said electrons provided by said electron source are photoelectrons from said photoconductive element.

8. A charged particle acceleration device according to claim 7, wherein said light source is a source of ultraviolet light.

9. A charged particle acceleration device according to claim 8, wherein source of ultraviolet light comprises at least one of a light-emitting diode, a super-luminescent diode, a laser, or a high pressure lamp bulb.

10. A charged particle acceleration device according to claim 8, wherein said photoconductive element is an ultraviolet diode.

11. A charged particle acceleration device according to claim 2, wherein said electron source is a thermoionic source.

12. A charged particle acceleration device according to claim 2, wherein said electron source is a field emission source.

13. A charged particle acceleration device according to claim 2, wherein said electron source comprises a heat source arranged to heat an element to free electrons from said element.

14. A charged particle acceleration device according to claim 13, wherein said heat source is at least one of a radiant heat source, a resistive heat source, an inductive heat source, or a microwave heat source.

15. A charged particle acceleration device according to claim 1, wherein said charged-particle source is an ion source.

16. A charged particle acceleration device according to claim 15, wherein said ion source is a source of at least one of protons, deuterons or tritons.

17. A charged particle acceleration device according to claim 16, wherein said first triboelectric element comprises a first triboelectric material that charges with a negative charge by said triboelectric interaction to provide a cathode,

wherein said first triboelectric material is a polymer having at least one of deuterium or tritium substituted for hydrogen, and

wherein said ion source provides said at least one of protons, deuterons or tritons proximate said second triboelectric element to be accelerated to said first triboelectric element to provide fusion reactions with at least some of said at least one of deuterium or tritium in said first triboelectric material.

18. A charged particle acceleration device according to claim 1, further comprising a containment vessel adapted to provide at least one of a vacuum or an atmosphere of a selected gas at a selected pressure.

19. A charged particle acceleration device according to claim 16, further comprising a containment vessel adapted to provide at least one of a vacuum or an atmosphere of a selected gas at a selected pressure.

20. A charged particle acceleration device according to claim 19, further comprising a gas within said containment vessel, said gas comprising at least one of hydrogen, deuterium or tritium.

21. A method of producing nuclear isotopes, comprising:

providing a triboelectric charged particle acceleration device that is configured to generate fusion reactions;

providing a target material comprising nuclear elements to be transformed into heavier isotopes by exposure to neutrons; and

operating said triboelectric charged particle acceleration device to generate fusion reactions so as to provide a source of neutrons resulting from said fusion reaction,

wherein said operating said triboelectric charged particle acceleration device is performed such that said target material is exposed to neutrons from said source of neutrons resulting from said fusion reaction.