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8401151 |
X-ray tube for microsecond X-ray intensity switching
An injector for an X-ray tube is presented. The injector includes an emitter to emit an electron beam, at least one focusing electrode disposed around the emitter, wherein the at least one focusing...
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8360640 |
X-ray tube and method for examining a target by scanning with an electron beam
The invention relates to an X-ray tube, especially a microfocus X-ray tube (2), comprising means (18) for orienting an electron beam (10) towards a target (4). A control device (20) is used to...
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8358741 |
Device and method to control an electron beam for the generation of x-ray radiation, in an x-ray tube
A device to control an electron beam for the generation of x-ray radiation, has an electron emitter to generate an electron beam, to which emitter an emitter voltage can be applied, a diaphragm, at...
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8355551 |
Method and apparatus for reducing image artifacts
A method and apparatus are provided for reducing motion related imaging artifacts. The method includes determining an internal motion for of two regions of the object, each region having a...
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8295442 |
Apparatus and method for magnetic control of an electron beam
An apparatus and method for an electron beam manipulation coil for an x-ray generation system includes the use of a control circuit. The control circuit includes a first low voltage source, a...
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8284900 |
Apparatus and method for improved transient response in an electromagnetically controlled X-ray tube
An x-ray tube assembly includes a vacuum enclosure including a cathode portion, a target portion, and a throat portion. The throat portion includes a magnetic field section, upstream section, and...
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8284901 |
Apparatus and method for improved transient response in an electromagnetically controlled x-ray tube
An x-ray tube assembly includes a vacuum enclosure that includes a cathode portion, a target portion, and a throat portion having a plurality of recesses formed therein to break up eddy currents...
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8280007 |
Apparatus and method for improved transient response in an electromagnetically controlled X-ray tube
An x-ray tube assembly includes a vacuum enclosure having a cathode portion, a target portion, and a throat portion comprising a non-electrically conductive tube. The throat portion has an upstream...
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8232536 |
Particle beam irradiation system and method for controlling the particle beam irradiation system
There is provided a particle beam irradiation system so as to provide the dose distribution having more accuracy. An irradiation control part comprises an energy setting controller that sets the...
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8229072 |
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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8213576 |
X-ray tube apparatus
Conventionally, the magnetic field generator was arranged perpendicularly to the axis of the electron beam. The magnetic field generator of this invention is arranged so as to be inclined relative...
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8203289 |
Interleaving multi-energy x-ray energy operation of a standing wave linear accelerator using electronic switches
The disclosure relates to systems and methods for fast-switching operating of a standing wave linear accelerator (LINAC) for use in generating x-rays of at least two different energy ranges with...
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8189742 |
Fast dose modulation using Z-deflection in a rotaring anode or rotaring frame tube
A fast dose modulation using a z-deflection in a rotating anode or a rotating frame tube, where the electron beam is deflected from a first focal spot region to a second focal spot region being...
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8155272 |
Methods and apparatus for e-beam scanning
In one aspect, an x-ray scanning device is provided. The x-ray scanning device comprises a target adapted to convert electron-beam (e-beam) energy into x-ray energy, a detector array positioned to...
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8130899 |
Arrangement for electron beam tomography
An assembly for electron beam tomography affords continuous and simultaneous recording of two-dimensional slice images of an object in different irradiation planes with a high temporal and spatial...
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8126117 |
Multi-beam X-ray system
A multi-beam x-ray system includes an x-ray source which emits x-rays and a housing with a first part and a second part. The second part is moveable relative to the first part and includes a...
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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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8000922 |
Methods and systems for generating information to be used for selecting values for one or more parameters of a detection algorithm
Methods and systems for generating information to be used for selecting values for parameter(s) of a detection algorithm are provided. One method includes without user intervention performing a...
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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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7970103 |
Interrogating hidden contents of a container
According to one embodiment, a system for interrogating hidden contents of a container comprises a controller, a detector system, and a data system. The controller receives a selection of a source...
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7965818 |
Field emission X-ray apparatus, methods, and systems
Disclosed herein is an x-ray field emission apparatus, system and method, the apparatus having a hollow probe held at vacuum; a cathode enclosed within the probe, the cathode producing an electron...
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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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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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7852979 |
Dual-focus X-ray tube for resolution enhancement and energy sensitive CT
A CT system includes a rotatable gantry having an opening for receiving an object to be scanned, at least one x-ray source coupled to the gantry and configured to project x-rays toward the object,...
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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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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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7792241 |
System and method of fast KVP switching for dual energy CT
A CT system includes a rotatable gantry having an opening for receiving an object to be scanned and an x-ray source coupled to the gantry and configured to project x-rays through the opening. The...
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7738632 |
X-ray tube with transmission anode
An x-ray tube has a cathode that generates free electrons; an anode on which the free and accelerated electrons strikes so that x-ray radiation is generated; a cooling channel with coolant flowing...
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7729468 |
X-ray tomograph and stereoradioscopic image construction equipment
An X-ray tomograph comprises an X-ray generator having a function of moving the focal position and radiating X-rays toward a subject, an X-ray image receiving element for receiving transmission...
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7715529 |
X-ray tube
An X-ray tube is disclosed. The X-ray tube can include a cathode configured to emit electrons, an anode that has a surface arranged parallel to an emission direction of the electrons and is...
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7696488 |
Irradiating device and method for controlling the same
An irradiating device and a method for controlling it are provided. The device comprises an electron accelerator and a scanning box connected to the electron accelerator, wherein the scanning box...
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7680242 |
X-ray examination method and X-ray examination apparatus
An X-ray examination apparatus includes a scanning X-ray source for outputting X-rays, a sensor base which is attached with a plurality of X-ray sensors and which rotates about a rotation axis, and...
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7668296 |
X ray tube assembly and method of manufacturing and using the X ray tube assembly
In one embodiment, an X ray tube assembly is provided. The X ray tube assembly comprises an evacuated envelope, an anode disposed at a first end of the evacuated envelope and a cathode assembly...
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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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7639785 |
Compact scanned electron-beam x-ray source
A compact, reliable scanning electron-beam x-ray source achieves reduced complexity and cost. In particular, the x-ray source includes an electron beam that is propagated parallel to an x-ray...
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7634062 |
Circular acceleration apparatus, electromagnetic wave generator and electromagnetic-wave imaging system
An objective is to provide a circular acceleration apparatus that can accelerate higher currents as well as avoid complex controlling of a deflecting magnetic field generated by an electron...
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7606349 |
Selective generation of radiation at multiple energy levels
A system may comprise a cathode, a target, one or more switches, and a conductive element. The cathode may be configured and arranged to generate an electron beam, and the target may be configured...
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7599472 |
Method, x-ray tube and imaging system for adjusting the position of the x-ray tube focus
In order to reduce the influence of magnetic interference fields on the position of an x-ray focus of an x-ray tube, the deviation of a current focus position from a target focus position or of a...
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7593509 |
Analytical x-ray tube for close coupled sample analysis
In one example, an x-ray device is provided that includes an enclosure having an x-ray transmissive window. A cathode assembly that includes an electron source capable of emitting electrons is...
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7580500 |
Computer tomography system having a ring-shaped stationary X-ray source enclosing a measuring field
A computer tomograph (1) that comprises at least a stationary electron source for generating an electron beam (13), a ring-shaped, stationary X-ray source with a largely ring-shaped target (14)...
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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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7526068 |
X-ray source for materials analysis systems
A miniaturized, increased efficiency x-ray source for materials analysis includes a laser source, an optical delivery structure, a laser-driven thermionic cathode (108), an anode (122), 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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7490085 |
Computer-assisted data processing system and method incorporating automated learning
A technique is provided for enhancing performance of computer-assisted data operating algorithms in a medical context. Datasets are compiled and accessed, which may include data from a wide range...
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7486775 |
Tissue irradiation device with at least one electron source and numerous radiation heads
A device for irradiating tissue encompassing at least one electron source for generating an electron beam, numerous radiation heads that are firmly and annularly arranged in a supporting frame...
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