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WO/2010/058332A2 |
An X-ray tube and a medical device comprising such X-ray tube are proposed. The X-ray tube (1) comprises an emitter (3) for emitting an electron beam (5) along a beam path in a direction towards a target (7), a top electrode (15) arrange...
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WO/2010/060007A1 |
An x-ray tube is described that includes components for increasing x-ray image clarity in the presence of a moving x-ray source by modifying focal spot characteristics, including focal spot size and focal spot position, tn a first arrang...
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WO/2010/058330A1 |
The invention relates to a medical imaging system (100) comprising an X- ray tube (120) having a cathode (210) and the anode (230). There is arranged a grid (200) between the cathode (210) and the anode (230). The grid is switchable by a...
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WO/2010/046837A2 |
The invention describes an X-ray tube for generating X-radiation, wherein the tube comprises a rotary structure, which comprises a rotating anode, a stationary structure for rotatably supporting the rotary structure, a hydrodynamic beari...
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WO/2010/032363A1 |
Disclosed is an X-ray photography device having: a multi-X-ray source that has multiple X-ray focal points that generate X-rays by irradiating X-ray targets with electron beams; a detector that detects X-rays that are emitted from the mu...
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WO/2010/029370A2 |
An X-ray tube is produced by forming a first housing section (20) from sheet metal; forming a second housing section (22) from sheet metal, mounting an electron source (18) in one of the housing sections; mounting an anode (16) in one of...
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WO/2010/024821A1 |
A source of X-rays including at least two cathodes and at least one common anode configured and arranged so as to generate at least two spaced apart beams of X-rays emanating from respectively different locations of the anode, and separa...
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WO/2010/018502A1 |
The present invention refers to X-ray tubes for use in imaging applications with an improved power rating and, more particularly, to a multi-segment anode target (102') for an X-ray based scanner system using an X-ray tube of the rotary ...
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WO/2010/015960A1 |
A system comprises a radiation source (110), including a anode (112) and a cathode (114), a high voltage generator (202) that generates a source voltage that is applied across the anode (112) and cathode (114), wherein the source voltage...
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WO/2010/013772A1 |
Provided is an emitter, which has a carbon film structure and emits field-emitted electrons. In the emitter, local field concentration is suppressed and current deterioration and discharge phenomenon due to thermal deterioration are pre...
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WO/2010/006846A1 |
The invention relates to an x-ray source (2) having a plurality of electron sources (41..4n) disposed at a distance from one another in a longitudinal direction (3), and a common anode (8) that is disposed opposite said electron sources ...
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WO/2010/007375A2 |
An anode for an X-ray tube comprises at least one thermally conductive anode segment in contact with a rigid support member and cooling means arranged to cool the anode. The anode may comprise a plurality of anode segments aligned end to...
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WO/2010/005001A1 |
Disclosed is a target (1) for X-ray tubes, wherein a carbon base (4) is joined to an Mo base or an Mo alloy base (2) through a joining layer (3). The joining layer (3) has an MoNbTi diffused phase (6), an NbTi alloy phase (7), an Nb-ric...
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WO/2010/002610A2 |
An electron emitter assembly for use in an x-ray emitting device or other electron emitter-containing device is disclosed. In one embodiment, an x-ray tube is disclosed, including a vacuum enclosure that houses both an anode having a tar...
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WO/2009/156627A1 |
The invention relates to a support for a rotating target, having substantially the form of a centrally-perforated disk. The support is made from a material that is a nickel-based structural-hardening superalloy and takes the shape of a d...
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WO/2009/146827A1 |
In a radiation source (1) and a method for generating x-ray radiation (2), a fluid (9) is disposed in a fluid line (10) and is completely surrounded by the fluid line (10) in the direction of an evacuated chamber (3). Part of the fluid l...
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WO/2009/138933A1 |
To scan an object with differently shaped cone beams (112, 122), the present invention provides a CT scanner with a moveable X-ray tube (the meaning of "move the x-ray tube among a plurality of predefined positions" also covers the situa...
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WO/2009/136349A2 |
X-ray systems for use in high-resolution imaging applications with an improved power rating are provided. An X-ray source comprises at least one integrated actuator unit (206, 206', 206a or 206b) for performing at least one translational...
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WO/2009/130613A2 |
The rotating anode x-ray tube has a composite outer bearing made from two rings of a high hot-hardness material and a spacer between the two rings made of a constant coefficient of thermal expansion material. The spacer is welded to the ...
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WO/2009/127995A1 |
An X-ray tube (1) comprising a cathode (3), an anode (5) and a further electrode (7) is proposed. Therein, the further electrode is arranged and adapted such that, due to impact of 'free electrons (27) coming from the anode (5), the furt...
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WO/2009/112986A2 |
Tomosynthesis system with a rotating anode X-ray tube enabling a circular scan trajectory, wherein the X-ray tube 1 may be equipped witha large number ofcathodes (21, 22) distributed around an anode. This allows to generate X-rays (41, 4...
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WO/2009/110447A1 |
Provided is an X-ray irradiator in which occurrence of discharge due to potential difference is reduced and which is reduced in size and weight. In the X-ray irradiator (1), an X-ray tube (11) and a high-voltage generator (2) are install...
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WO/2009/101576A1 |
A source (19) for multiple energy X-ray generation in particular by field emitting carbon nanotubes (1, 2) is presented. In order to achieve a spatial overlap of the trajectories of the X-ray beams coming from different emitters, a focus...
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WO/2009/101882A1 |
An X-ray generator comprises an electron beam generating part having a plurality of electron emitting elements and generating an electron beam corresponding to the driven electron emitting element and a target electrode for generating an...
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WO/2009/102784A1 |
A device for generating x-rays has an enclosing vessel having a structure suitable to provide an enclosed space at a predetermined fluid pressure, wherein the enclosing vessel has a window portion and a shielding portion in which the shi...
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WO/2009/098027A1 |
An X-ray target for producing X-rays (110) in a region of incidence (M) of an electron beam (120) onto the X-ray target comprises an X-ray source layer (130) and a substrate (140). The X-ray source layer (130) comprises a high atomic num...
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WO/2009/095047A2 |
X-ray generators (1) are known, having a housing (2) and components disposed therein for generating one or more X-rays. According to the invention, the housing (2) is formed by a tube body (3) made of ceramic.
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WO/2009/092813A1 |
The invention relates to a radiogenic source comprising a vacuum chamber (50), means (56h) for injecting an optical wave (56i), a cold source (52), enabling electrons (52i) to be emitted in the vacuum by field emission when it is subject...
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WO/2009/092372A1 |
The aim of the present invention is to disclose an arrangement for X-ray computer tomography allowing continuous three-dimensional imaging of the scanned object or a partial volume of the scanned object at high temporal and spatial resol...
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WO/2009/091044A1 |
The distance (L1), from the central axis (O) of an X-ray tube in the direction perpendicular to the longitudinal direction of a filament coil (15) to the outer side surface of a cathode electron gun (16), is set shorter than the distance...
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WO/2009/083998A1 |
An X-ray tube anode target assembly (101) having a support shaft (107) connected to a pivot assembly (109) and a movable anode target (105) having a target surface (106) disposed at one end of the support shaft and a contact element (108...
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WO/2009/083997A1 |
A high flux X-ray tube anode target assembly (101). The assembly includes a support shaft (107) connected to a pivot assembly (109). The assembly further includes a movable anode target (105) having a target surface (106) disposed at one...
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WO/2009/083534A1 |
The invention relates to the cooling of an x-ray generator tube. A tube comprises mainly a vacuum chamber (10) containing a cathode block (11) supported by an insulator (20) and generating an electron beam (15) that strikes a target (14)...
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WO/2009/081312A1 |
Scattered electron collector comprising a heat absorbing member having a first end, a second end, an outer periphery and a central bore (14, 16), wherein the central bore is formedin longitudinal direction through the heat absorbing memb...
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WO/2009/078581A2 |
A microminiature X-ray tube with a triode structure using a nano emitter is provided, which can increase a field emission region as much as possible by means of nano emitters fine-patterned in a cathode to not only increase an emission c...
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WO/2009/076111A2 |
A multi-energy imaging system and method for selectively generating high-energy X-rays and low-energy X-ray beams are described. A pair of optic devices are used, one optic device being formed to emit high X-ray energies and the other op...
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WO/2009/068891A1 |
An X-ray tube is described having a filament for generating electrons (5), a cathode, and an anode (8) which comprises an elongate member (17) having a fixed point relative to the sealed housing of the tube and an end that is moveable re...
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WO/2009/060762A1 |
Disclosed are an electron beam irradiator, an X-ray irradiator, an electron beam source used as a beam source of an electron microscope, or the like, and a method for manufacturing such an electron beam source. A cathode (153) has a powe...
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WO/2009/057493A1 |
An X-ray generator comprises a container (1) for maintaining a high vacuum or low pressure gas atmosphere internally, a hemimorphic crystal (4), temperature raising/lowering means (3, 5-7), and a metal target (8) for generating X-rays. I...
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WO/2009/055284A1 |
A method and apparatus for an x-ray apparatus. The x-ray apparatus comprises a vacuum tube. A cathode is located in the vacuum tube and capable of emitting electrons. A rotatable magnetic anode located in the vacuum tube, capable of bein...
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WO/2009/043344A1 |
The aim of the invention is to design an X-ray rotating anode plate and devise a method for producing such an X-ray rotating anode plate which comprises a base, meets very strict requirements in terms of the temperature of the focal spot...
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WO/2009/039545A1 |
The invention relates to an X-ray anode having a coating and a carrier body. In addition to a region providing strength, the carrier body comprises a region comprising a diamond-metal composite material. The diamond-metal composite mater...
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WO/2009/038871A1 |
An X-ray tube anode assembly, an X-ray tube assembly and a method for heat management to an X-ray assembly having a movable X-ray target having a target surface. The anode assembly includes a drive member arranged and disposed to provide...
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WO/2009/032860A1 |
An x-ray source produces a well-defined electron beam, without an undesirable halo. The x-ray source includes a housing, a cathode disposed within the housing, an anode spaced apart from the cathode for accelerating electrons emitted fro...
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WO/2009/024669A2 |
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 comprises an X-ray tube with a turning anode a...
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WO/2009/022292A2 |
The present invention is related to high power X-ray sources, in particular to those ones that are equipped with rotating X-ray anodes capable of delivering a much higher short time peak power than conventional rotating X-ray anodes acco...
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WO/2009/019791A1 |
Provided is an X-ray tube device, in which a magnetic field generator (4) is arranged at an inclination with respect to an axis (V) perpendicular to the axis (O) of an electron beam (B) although the magnetic field generator (4) of the pr...
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WO/2009/021015A2 |
Systems and methods for highly collimated and temporally variable X-ray beams. Disclosed herein is a system for producing a collimated X-ray beam, the system including one or more distributed electron sources configured to produce electr...
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WO/2009/019645A2 |
A method and an apparatus for locally applying material to the surface of an anode of an X-ray source as well as a corresponding anode is presented. Anode material such as a repair material for filling a recess (121) in an X-ray emitting...
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WO/2009/013677A1 |
A thermionic electron emitter (1) is proposed comprising an inner part (2) including a heatable flat emission surface (3) and an outer part (4) including a surrounding surface (6) substantially enclosing the emission surface and a heatin...
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