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8126118 |
X-ray tube and method of voltage supplying of an ion deflecting and collecting setup of an X-ray tube
The invention relates to an X-ray tube with a cathode, generating an electron beam, and an ion-deflecting and collecting setup (IDC), consisting of a single pair of electrodes, wherein the first...
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8121258 |
Device for providing a high energy X-ray beam
The invention relates to X-ray analytical instruments (RX), more precisely a device for providing a high energy X-ray beam, typically above 4 keV, for X-ray analysis applications. The device...
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8107591 |
X-ray tube with a catching device for backscattered electrons, and operating method therefor
An x-ray tube has a cathode and a anode, and a catching device that captures backscattered electrons from the anode in the operating state of the x-ray tube. The catching device minimizes unwanted...
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8073107 |
Betatron with a contraction and expansion coil
A betatron, especially in X-ray testing apparatus is provided, that includes a rotationally symmetrical inner yoke having two interspaced parts, an outer yoke connecting the two inner yoke parts,...
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8045679 |
Charged particle cancer therapy X-ray method and apparatus
The invention comprises an X-ray method and apparatus used in conjunction with charged particle or proton beam radiation therapy of cancerous tumors. The system uses an X-ray beam that lies in...
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8027433 |
Method of fast current modulation in an X-ray tube and apparatus for implementing same
An x-ray imaging system includes a detector positioned to receive x-rays, and an x-ray tube coupled to a mount structure. The x-ray tube is configured to generate x-rays toward the detector and...
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7983394 |
Multiple wavelength X-ray source
A multiple wavelength x-ray source includes a multi-thickness target, having at least a first and a second thickness. The first thickness can substantially circumscribe the second thickness. An...
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7983393 |
Circular accelerator with adjustable electron final energy
A betatron is provided for producing pulses of accelerated electrons, particularly in an x-ray testing device, comprising at least one main field coil, one expansion coil for transferring the...
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7945024 |
Method for reducing X-ray tube power de-rating during dynamic focal spot deflection
Methods are provided through which X-ray tube power de-rating can be reduced during dynamic focal spot deflection. In one embodiment, a method comprising generating an electron beam, focusing the...
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7940894 |
Elongated lifetime X-ray method and apparatus used in conjunction with a charged particle cancer therapy system
The system uses an X-ray imaging system having an elongated lifetime. Further, the system uses an X-ray beam that lies in substantially the same path as a charged particle beam path of a particle...
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7903789 |
X-ray tube electron sources
An X-ray tube includes an emitter wire enclosed in a suppressor. An extraction grid comprises a number of parallel wires extending perpendicular to the emitter wire, and a focusing grid comprises a...
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7875857 |
X-ray photoelectron spectroscopy analysis system for surface analysis and method therefor
An X-ray photoelectron spectroscopy analysis system for analysing an insulating sample 20, and a method of XPS analysis. The system comprises an X-ray generating means 30 having an exit opening 32...
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7872241 |
Method and apparatus for production and maintenance of electron beam space-charge neutralization
An electron beam production and control assembly includes a vacuum chamber, a beam source, and a target. The target has an active section and an inactive section. The active section is adapted to...
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7856086 |
X-ray generator
An electron beam corresponding to radiation intensity data is output from an electron source by supplying high energy pulses p-1 through p-n, which correspond to the radiation intensity data of a...
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7839979 |
Electron optical apparatus, X-ray emitting device and method of producing an electron beam
It is described an electron optical arrangement, a X-ray emitting device and a method of creating an electron beam. An electron optical apparatus (1) comprises the following components along an...
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7835501 |
X-ray tube, x-ray system, and method for generating x-rays
According to an exemplary embodiment an x-ray tube comprises a cathode, rotable disc anode, and a focal spot modulating unit, wherein the cathode is adapted to emit an electron beam, and wherein...
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7826594 |
Virtual matrix control scheme for multiple spot X-ray source
A system and method for addressing individual electron emitters in an emitter array is disclosed. The system includes an emitter array comprising a plurality of emitter elements arranged in a...
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7826595 |
Micro-focus field emission x-ray sources and related methods
Micro-focus field emission x-ray sources and related methods are provided. A micro-focus field emission x-ray source can include a field emission cathode including a film with a layer of electron...
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7809115 |
Diode for flash radiography
A flash radiography diode includes a cathode and an anode. The cathode includes a frustum member with a bore extending through the frustum member. The anode is a tapered anode made of an...
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7809114 |
Field emitter based electron source for multiple spot X-ray
A multiple spot x-ray generator is provided that includes a plurality of electron generators. Each electron generator includes an emitter element to emit an electron beam, a meshed grid adjacent...
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7801277 |
Field emitter based electron source with minimized beam emittance growth
A system and method for limiting emittance growth in an electron beam is disclosed. The system includes an emitter element configured to generate an electron beam and an extraction electrode...
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7751531 |
Standing wave electron linear accelerator and installation adjusting device thereof
The present invention discloses a standing wave linear accelerator, comprising: a microwave device configured to generate microwave; an electron beam emitting device configured to emit electron...
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7734015 |
X-ray tube and X-ray source including same
The present invention relates to an X-ray tube in which X-rays are generated by making electrons from an electron gun incident onto an X-ray target of an anode, disposed inside an anode housing...
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7660391 |
Compact e-beam source for generating X-rays
Various novel apparatuses and methods for generating X-rays are disclosed. In some embodiments, for example, an apparatus may be configured and arranged so that, for at least one interception point...
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7649980 |
X-ray source
A transmission target of a vacuum container is operable to have a ground potential and an electro-optical system is floated at a positive potential in the vacuum container. An electron beam, which...
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7646852 |
Method, a processor, and a system for tracking a focus of a beam
A system, a processor, and a method for tracking a focus of a beam are described. The method includes determining a plurality of intensities corresponding to a plurality of voltages, and applying a...
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7627087 |
One-dimensional grid mesh for a high-compression electron gun
A field emitter electron gun includes at least one field emitter cathode deposited on a substrate layer and configured to generate an electron beam. An extraction plate having an opening...
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7609815 |
High brightness—multiple beamlets source for patterned X-ray production
Techniques for controllably directing beamlets to a target substrate are disclosed. The beamlets may be either positive ions or electrons. It has been shown that beamlets may be produced with a...
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7580506 |
System and method for non-destructive decontamination of sensitive electronics using soft X-ray radiation
A method is provided for decontaminating biological pathogens residing in an enclosure of an electronic device. The method includes: identifying materials used to encase the enclosure of the...
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7576481 |
High voltage stable cathode for x-ray tube
A method of producing a cathode for use in an x-ray tube assembly is provided including machining an emission aperture into a cup emission surface portion of a cup structure. The cup structure is...
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7542549 |
X-ray source with nonparallel geometry
An improved x-ray generation system produces a converging or diverging radiation pattern particularly suited for substantially cylindrical or spherical treatment devices. In an embodiment, the...
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7529346 |
Method for stabilizing the size of a focal spot of an X-ray tube, and X-ray tube comprising such a method
In a method for stabilizing the size of a focal spot of an X-ray tube and contrast modulation function of a X-ray tube, the tube has a cathode comprising a concentrator and a heating filament. It...
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7512215 |
X-ray tube electron sources
An X-ray tube includes an emitter wire (18) enclosed in a suppressor(14, 16). An extraction grid comprises a number of parallel wires (20) extending perpendicular to the emitter wire, and a...
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7496180 |
Focal spot temperature reduction using three-point deflection
An x-ray tube includes an anode comprising a focal track and a cathode assembly configured to emit an electron beam toward a focal spot on the focal track. The x-ray tube also includes a controller...
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7486984 |
System and method for monochromatic x-ray beam therapy
In embodiments of the invention, a radiosensitizer or other agent is relatively uniformly accumulated in the cells of a tumor. An external monochromatic x-ray beam, which is tuned to a...
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7486776 |
Shield structure and focal spot control assembly for x-ray device
A shield structure and focal spot control assembly is provided for use in connection with an x-ray device that includes an anode and cathode disposed in a vacuum enclosure in a spaced apart...
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7450690 |
Reduced focal spot motion in a CT X-ray tube
An x-ray tube assembly is provided comprising a tube casing assembly including a plurality of vertical mount posts. An insulator plate is mounted to the plurality of vertical mount posts such that...
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7447536 |
System and method for measurement of local lung function using electron beam CT
Certain embodiments include a method and system for measuring and imaging local lung function. The method includes triggering an image scan of at least a lung cross-section of a patient, scanning...
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7428298 |
Magnetic head for X-ray source
An X-ray source includes a magnetic appliance to provide electron beam focusing. The magnetic appliance can provide variably focused and non-focused configurations. The magnetic appliance can...
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7424095 |
Modular X-ray tube and method of production thereof
Modular X-ray tube (10) and method for the production of such an X-ray tube, in which an anode (20) and a cathode (30) are arranged in a vacuumized inner space (40) situated opposite each other,...
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7406154 |
High speed modulation of switched-focus x-ray tube
A dose-modulated irradiating system includes an x-ray tube (20) with at least a filament (80) for generating electrons, a cathode (84) and an anode (92) for accelerating and collimating the...
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7403595 |
X-ray tube system with disassembled carbon nanotube substrate for generating micro focusing level electron-beam
Disclosed is an X-ray tube system with a disassembled carbon nanotube substrate for generating micro focusing level electron beams. A housing provides a vacuum space. An anode forms an electric...
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7391850 |
Compact, high-flux, short-pulse x-ray source
An x-ray source that can produce high-brilliance x-rays at a low cost and from a small footprint includes a radiofrequency (RF) photoinjector, an accelerator module (such as a linear...
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7386095 |
X-ray tube
The present invention relates to an X-ray tube with a structure, by which the charging of an insulating member, disposed inside a container, is effectively prevented to enable stable operation to...
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7382862 |
X-ray tube cathode with reduced unintended electrical field emission
An x-ray source has an evacuated tube. An anode is disposed in the tube and includes a material configured to produce x-rays in response to impact of electrons. A cathode is disposed in the tube...
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7359485 |
X-ray generating method and X-ray generating apparatus
An electron beam with a circular cross section is flattened to form a flat electron beam with a flattened cross section. Then, the flat electron beam is irradiated onto a target, thereby generating...
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7340036 |
X-ray generator
An X-ray generator includes an electron source generating an electron beam, a target generating an X-ray by a collision of the electron beam and extending in a direction orthogonal to the electron...
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7330533 |
Compact x-ray source and panel
A compact, self-contained x-ray source, and a compact x-ray source panel having a plurality of such x-ray sources arranged in a preferably broad-area pixelized array. Each x-ray source includes an...
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7312461 |
Laparoscopic tumor therapy using high energy electron irradiation
A laparoscopic tumor therapy method and an articulated electron beam transport system are provided for use with a high power, long focus electron source for tumor therapy. The high power, long...
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7310409 |
Electromagnetic wave generator
A compact and low-cost electromagnetic wave generator in which X-rays having high intensity can be generated and the energy of generated X-rays can rapidly be switched. In an electromagnetic wave...
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