Class 315/504 - Betatron

Subclass of Class 315 - Electric lamp and discharge devices: systems
Definition: Subject matter wherein the space discharge tube means includes
No. of patents: 39
Last issue date: 10/11/2011

Number	Title	Issue Date
8035321	Injector for betatron An electron acceleration portion of a Betatron having a vacuum chamber with an interior wall spaced from an exterior wall with a main electron orbit located approximate to the exterior wall and the interior wall. An electron injector has an anode structured and arra...	10/11/2011
8013546	Betatron with a variable orbit radius A betatron, especially for an X-ray testing apparatus is provided that includes a rotationally symmetrical inner yoke having two interspaced parts, at least one round plate that is arranged between the inner yoke parts in such a way that the longitudinal axis thereo...	09/06/2011
7994740	Betatron with a removable accelerator block A betatron is provided, particularly in an x-ray inspection station, comprising an accelerator block that is provided with a rotationally symmetrical inner yoke composed of two spaced-apart pieces, at least one main field coil, and a toroidal betatron tube which is ...	08/09/2011
7994739	Internal injection betatron A betatron magnet having at least one electron injector positioned approximate an inside of a radius of a betatron orbit, the betatron magnet further includes a first guide magnet having a first pole face and a second guide magnet having a second pole face. Both the...	08/09/2011
7982416	Circular accelerator In a circular accelerator, a magnetic pole edge portion of a bending electromagnet into and from which a charged particle beam enters and exits is provided with endpacks. A first protrusion is provided at that part of each end pack which is radially outside the equi...	07/19/2011
7928672	Modulator for circular induction accelerator Described herein is a modulator circuit for generating discrete energy pulses in a device. The circuit includes a high voltage power source intermittently coupled to a saturable first inductor, a second inductor and a capacitor coupled in parallel between the high v...	04/19/2011
7675252	Methods of constructing a betatron vacuum chamber and injector A betatron structure having a donut-shaped vacuum chamber, wherein the vacuum chamber is made up of two or more pieces bonded together; an injector positioned within the vacuum chamber; and two or more magnets positioned to the outside of the vacuum chamber. A metho...	03/09/2010
7638957	Single drive betatron A betatron includes a betatron magnet with a first guide magnet having a first pole face and a second guide magnet having a second pole face. Both the first and the second guide magnet have a centrally disposed aperture and the first pole face is separated from the ...	12/29/2009
7619375	Electromagnetic wave generating device An electromagnetic wave generating device includes: a hollow annular vacuum chamber; an electron gun; an electromagnet configured with a pair of discoid combinations in which a cylindrical accelerating magnet pole and an annular focusing magnet pole are arranged in ...	11/17/2009
7397054	Particle beam therapy system and control system for particle beam therapy A particle beam therapy system comprises a charged particle beam generator for generating a charged particle beam, two or more treatment rooms provided with respective irradiation devices for irradiating the charged particle beam, a beam line for transporting the ch...	07/08/2008
7339559	Color electroluminescence display device An electroluminescence display device is provided in which a plurality of pixels are arranged in row and column directions, including: a gate line extending in the row direction; a first thin film transistor whose gate is connected to the gate line; a drain line ext...	03/04/2008
7285339	Organic electroluminescent device with improved long-term stability An organic electroluminescent device with improved long-term stability is disclosed, comprising either a dual layer of a layer I and a layer II or a mixture of the two layers between an EL multilayer and a second electrode, the layer II being made of at least one al...	10/23/2007
7270894	Metal compound-metal multilayer electrodes for organic electronic devices The invention provides an organic electronic device comprising: (i) a multilayer cathode comprising: (a) a conductive layer that is electrically connected as a bus, (b) a layer comprising at least one source of alkali metal ions, alkaline earth metal ions, or lantha...	09/18/2007
7250727	High power, long focus electron source for beam processing Beam processing methods including e-beam welding and e-beam evaporation for thin film deposition are implemented with a novel high power, long focus electron source. The high power, long focus electron source generates an e-beam. The e-beam is transported through a ...	07/31/2007
7176040	Inkjet-fabricated integrated circuits A method for forming an integrated circuit including at least two interconnected electronic switching devices, the method comprising forming at least part of the electronic switching devices by ink-jet printing. ...	02/13/2007
7154235	Organic electroluminescent device having solar cells An organic electroluminescent device having solar cells and a fabricating method therefor are disclosed. The device comprises a transparent substrate; an organic electroluminescent device on the transparent substrate; and at least one solar cells on the transparent ...	12/26/2006
7122978	Charged-particle beam accelerator, particle beam radiation therapy system using the charged-particle beam accelerator, and method of operating the particle beam radiation therapy system A charged-particle beam accelerator includes an RF-KO unit for increasing the amplitude of betatron oscillation of a charged-particle beam within a stable region of resonance and an extraction quadrupole electromagnet unit for varying the stable region of resonance....	10/17/2006
7030576	Multichannel hall effect thruster A Hall effect thruster for propelling spacecraft and satellites includes at least two acceleration channels, each of the channels has a closed end and an open end, and a plurality of flux guides adjacent each of the channels. The plurality of flux guides includes an...	04/18/2006
6828553	Compact very high resolution time-of flight mass spectrometer The invention relates to a compact time-of-flight mass spectrometer which enables very accurate mass determinations. The invention consists of a method of producing a high resolution by means of a long flight path, where the ion beam repeatedly sweeps a figure of ei...	12/07/2004
6713976	Beam accelerator A high performance beam accelerator in which accelerating voltage may be increased by applying a high excitation frequency to the accelerator core and controlling heat generation. The beam accelerator includes an annular hollow vessel with an annular passage, fixed ...	03/30/2004
6603247	Energy storage and recovery system An energy storage device in which a vacuum tube and a magnetic field are used to store electrons circulating within the tube along spiral paths. The vacuum tube can have a generally toroidal shape and contains an electron gun or filament to inject electro...	08/05/2003
6545436	Magnetic containment system for the production of radiation from high energy electrons using solid targets The present invention includes a magnetic storage ring into which electrons or other charged particles can be injected from a point external to the ring and still subscribe a path, after injection, contained within the magnetic storage ring. The magnetic ...	04/08/2003
6140752	Energy storage device having a plurality of single charged particles and a charge neutralizer Electrons are arranged so they circulate along a spiral path in a vacuum. The path has a hollow symmetrical shape which is defined by a surface of a toroid. The shape is controllable by a magnetic field and the electrons can be contained within the shape....	10/31/2000
5783914	Particle beam accelerator, and a method of operation The present invention provides apparatus for acceleration of a charged particle beam which includes energy means for altering the energy of a circulating beam circulating in the apparatus and means for extracting output beams from the apparatus. Control m...	07/21/1998
5773919	Electron spiral toroid Electrons are arranged so they circulate along a spiral path in a vacuum. The path has a hollow symmetrical shape which is defined by a surface of a toroid. The shape is controllable by a magnetic field and the electrons can be contained within the shape....	06/30/1998
5631525	Electron storage ring apparatus comprising a bending magnet unit In an electron storage ring apparatus comprising at least two bending magnet units for defining an electron beam orbit of an arc shape, each of the bending magnet units comprises D-shaped upper and lower coil members each of which has an arc-shaped portio...	05/20/1997
5557178	Circular particle accelerator with mobius twist A circular particle accelerator includes a twist element at one location in its ring lattice which interchanges horizontal and vertical betatron oscillations upon each particle passage. Two traversals of the ring are required to return the particle to a c...	09/17/1996
5457361	Ion removing device, ion removing method and electron accumulating ring having ion removing device An ion removing device includes an ion inducing electrode provided in a vacuum container in a deflection portion of an electron accumulating ring along an inner peripheral wall of the vacuum container, an ion removing electrode provided in the vacuum cont...	10/10/1995
5363008	Circular accelerator and method and apparatus for extracting charged-particle beam in circular accelerator A circular accelerator for extracting a charged-particle beam is arranged to increase displacement of the beam by the effect of the betatron oscillation resonance and increase the betatron oscillation amplitude of the particles, which have initially betat...	11/08/1994
5319314	Electron orbit control in a betatron A betatron, adapted, e.g., for use as a high-energy electromagnetic radiation source in a borehole well logging tool, includes modulator circuitry for actively controlling the electron beam radius during acceleration and for extracting the electron beam a...	06/07/1994
5285166	Method of extracting charged particles from accelerator, and accelerator capable of carrying out the method, by shifting particle orbit A method of extracting a strong, charged particle beam, that is, a large current from an accelerator, and an accelerator capable of carrying out the method utilizes charged particles which are extracted from the accelerator. The equilibrium orbit of charg...	02/08/1994
5103186	Tandem betatron Two betatrons are provided in tandem for alternately accelerating an electron beam to avoid the single flux swing limitation of conventional betatrons and to accelerate the electron beam to high energies. The electron beam is accelerated in a first betatr...	04/07/1992
5077530	Low-voltage modulator for circular induction accelerator A modulator circuit for a betatron includes an independent low voltage D.C. powder supply, an intermediate low voltage capacitor connected to one side of the betatron winding, and a high voltage capacitor connected to the other side of the betatron windin...	12/31/1991
5001437	Electron storage ring An electron storage ring has bending magnets, quadrupole magnets, and sextupole magnets arranged in a ring for constraining a beam of electrons along a path. When the beam is injected, a control means controls a power source for the magnet so that the bea...	03/19/1991
4608537	Low perturbation electron injector for cyclic accelerators A tapered z-pinch for externally introducing an electron beam into a parte accelerator that causes only a small development of perpendicular velocity in the electrons of the electron beam, and that causes only a small disturbance to the magnetic field li...	08/26/1986
4577156	Push-pull betatron pair A push-pull betatron accelerator with two coaxial betatron tubes in which two electron beams are alternately accelerated in opposite directions of rotation. Both tubes are linked by the same alternating current accelerating flux produced by one or more ac...	03/18/1986
4481475	Betatron accelerator having high ratio of Budker parameter to relativistic factor A betatron for accelerating charged particles in a toroidal vacuum chamber comprising a betatron magnetic field generator; a toroidal magnetic field generator; a generating circuit for generating a charged particle beam into the toroidal chamber with an energy...	11/06/1984
4392111	Method and apparatus for accelerating charged particles A method and means for accelerating charged particle beams having very high current densities to relativistic energies, as, for example, embodied in a betatron capable of carrying a current of many tens of kiloamperes at energies up to at least 300 Mev. T...	07/05/1983
3975689	Betatron including electromagnet structure and energizing circuit therefor A betatron is disclosed comprising an electromagnet having the gap thereof defined by the shaped tips of its pair of pole cores contains therewithin a vacuum accelerating chamber. The gap contains therewithin at least one bias winding connected in series ...	08/17/1976

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Class 315/504 - Betatron