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WO/2012/142154A2 |
Ceramic metallization in an x-ray tube. In one example embodiment, a metalized ceramic plate for an x-ray tube includes a first side configured to reside inside an evacuated enclosure of an x-ray tube, a second side configured to reside ...
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WO/2012/139872A2 |
The invention relates to an electron source (1) for generating an electron beam (23), a first electron emitter (20) for generating electrons and at least one second electron emitter (21) for generating electrons being arranged in said el...
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WO/2012/138041A1 |
The present invention relates to a high-efficient flat type photo bar using a field emitter and a manufacturing method thereof, including: a substrate; a cathode part which is formed as an electrode on an upper portion of the substrate; ...
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WO/2012/123834A1 |
The present invention relates to an X-ray tube for radiographic imaging, an X- ray imaging system for examining a region of interest of an object and a method for radiographic imaging. In order to provide radiographic imaging with reduce...
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WO/2012/123843A1 |
The present invention relates to an X-ray tube for stereoscopic imaging, an X- ray imaging system for stereoscopic imaging, a method for stereoscopic imaging as well as a computer program element and a computer readable medium for stereo...
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WO/2012/125492A2 |
An x-ray source for generating x-rays with at least one narrow energy band includes an enclosing vessel, a first contact arranged with a first contact surface in the enclosing vessel, a second contact arranged with a second contact surfa...
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WO/2012/118155A1 |
The present invention relates to an aperture cooling structure for cooling an aperture unit (31) in which an aperture (33) is formed which restricts the passage of an electron beam (E) on an electron path (4) of this open X-ray source (1...
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WO/2012/097393A1 |
The invention relates to a rotary X-ray anode (10), which comprises a support body (14) and a focal track (16) formed on the support body (14). The support body (14) and the focal track (16) are produced as a composite by powder metallur...
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WO/2012/091709A1 |
An exemplary ionization device includes a pyroelectric electron accelerator that causes electrons to move away from the accelerator. A silicon target is positioned in a path of the electrons. X-ray radiation results from the electrons co...
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WO/2012/087238A1 |
The invention provides a technique for indirectly measuring the degree of alignment of a beam in an electron-optical system comprising aligning means, focusing means and deflection means. To carry out the measurements, a simple sensor ma...
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WO/2012/080958A2 |
An anode (30) is formed by building a carbon, such as a carbon reinforced carbon composite, or other ceramic substrate (50). A ductile, refractory metal is electroplated on the ceramic substrate to form a refractory metal carbide layer (...
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WO/2012/077445A1 |
There is provided a radiation generating apparatus having a simple structure and capable of shielding unnecessary radiation, cooling a target, reducing the size and weight of the apparatus, and achieving higher reliability, and a radiati...
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WO/2012/077463A1 |
A radiation generating apparatus 31 comprises: a radiation generating tube 11; a holding container 12 holding the radiation generating tube; and a cooling medium 33 between the holding container and the radiation generating tube, wherein...
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WO/2012/074834A2 |
Logging-while-drilling tools incorporating an electronic radiation generator, such as an electronic X-ray generator, and a method for using the same are provided. One example of such a logging-while-drilling tool may include a circumfere...
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WO/2012/072146A1 |
An X-ray window comprises a primary (22) and a secondary (70) window element. In order to evaporate debris by ohmic heating, current flows through the secondary (upstream) window element. Meanwhile, electric charge originating from elect...
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WO/2012/073983A1 |
In order to provide an X-ray imaging device provided with a small, lightweight two-phase anode rotational mechanism drive circuit, an end of a main stator coil is connected to a three-phase full bridge inverter circuit and the center poi...
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WO/2012/074319A1 |
The present invention relates to a large-scale electronic beam or X-ray generating device using carbon nanotube (CNT) yarns, wherein large-scale electronic beams or X-rays are generated by using carbon nanotube yarns as electronic beam o...
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WO/2012/069944A1 |
The present invention relates to determining changes in the X-ray emission yield of an X-ray tube, in particular determining dose degradation. In order to provide determination of such changes, an X-ray source is provided comprising a ca...
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WO/2012/071118A1 |
A method and apparatus for identifying a response to a plurality of x-rays are provided. In one advantageous embodiment, an apparatus comprising a housing, an x-ray tube, an anode, and an x-ray detector are provided. The housing has a lo...
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WO/2012/069861A1 |
The present invention relates to a liquid-anode radiation source (X-ray source) with the ability of being turned "upside down", comprising a body (12) having a wall (15) limiting an anode space (17) equipped with an inlet and an outlet, ...
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WO/2012/063379A1 |
In the present invention, heat dissipation is improved by extending the creeping distance in a vacuum vessel according to the size of a flange part, without lengthening the vacuum vessel in the direction in which an electron beam is emit...
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WO/2012/058414A2 |
An annular ceramic washer has inner and outer cylindrical surfaces, first and second annular surfaces, and a winding path thick film resistor located on the inner surface. Metal washers are preferably brazed to the end ring surfaces. The...
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WO/2012/050725A2 |
Systems, methods, and devices relating to a sourceless X-ray downhole tool are provided. By way of example, such a downhole tool may include an X-ray generator, an X-ray detector, and data processing circuitry. The X-ray generator may em...
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WO/2012/047667A2 |
Integral liquid-coolant passageways in an x-ray tube. In one example embodiment, an x- ray tube includes a can at least partially defining an evacuated enclosure, a cathode at least partially positioned within the evacuated enclosure, an...
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WO/2012/046953A2 |
The present invention relates to a device for generating X-rays by means of an accelerated electron beam created by the potential difference between an X-ray target and surface charges induced on both end surfaces of a pyroelectric cryst...
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WO/2012/039823A2 |
A compact x-ray source can include a circuit (10) providing reliable voltage isolation between low and high voltage sides (21, 23) of the circuit while allowing AC power transfer between the low and high voltage sides of the circuit to a...
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WO/2012/033027A1 |
Provided are a long-life x-ray tube device that improves the heat resistance of a recoil electron trap without using expensive oxide-dispersion strengthened copper and is provided with a recoil electron trap that is particularly powerful...
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WO/2012/025136A1 |
A microfocus X-ray tube (11) for a high-resolution X-ray apparatus comprises a housing (34), an electron beam source (15) for producing an electron beam (14) and a focusing lens (22) for focusing the electron beam (24) onto a target (23)...
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WO/2012/025830A2 |
This invention relates to the use of thick target materials 50 microns and thicker for an x-ray transmission tube; to possible target material compositions including various elements and their alloys, eutectic alloys, compounds, or inter...
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WO/2012/026381A1 |
In order to provide an X-ray tube device having a structure that is capable of improving cooling efficiency and especially avoiding excess heating of a rotation axis receptacle, and to provide an X-ray CT device wherein said X-ray tube d...
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WO/2012/007881A2 |
An X-ray tube arrangement (120) for dual energy operation is proposed. The arrangement comprises an electron source (210) for emitting an electron beam (215) and a disk-shaped anode (230). Furthermore, a rotatable filter arrangement (125...
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WO/2012/004253A1 |
An X-ray emitting anode comprises a substrate and, over a portion of the surface of the substrate, a coating (4) comprising a plurality of superposed or stacked groups (7) of sublayers (8, 9) and an intermediate sublayer (6) between the ...
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WO/2011/159944A2 |
An x-ray tube rotating anode. In one example embodiment, an x-ray tube rotating anode includes a hub configured to attach to a bearing assembly, rings positioned radially outward from the hub, bridges connecting the rings together, annul...
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WO/2011/159723A2 |
In one example, an x-ray target comprises a target track, a substrate, and a backing. The target track includes a base material and a grain growth inhibitor to reduce or prevent microstructure grain growth in the base material.
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WO/2011/151506A1 |
A radiation window foil for an X-ray radiation window comprises a mesh that defines a number of openings (902), said mesh having a first side surface (903) and a second side surface (904). A layer (906) spans said openings. Said layer (9...
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WO/2011/151505A1 |
For manufacturing a radiation window for an X-ray measurement apparatus, an etch stop layer is first produced on a polished surface of a carrier. A thin film deposition technique is used to produce a structural layer on an opposite side ...
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WO/2011/136840A1 |
A transmission x-ray tube includes an evacuated housing; an end window anode disposed in said housing comprised of a target of at least one thin foil; a cathode disposed in said housing which emits electrons, which proceed along a beam p...
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WO/2011/128816A1 |
The invention relates to a rotary- anode X-ray tube which includes a sleeve bearing having an axial bearing section and a radial bearing section. Furthermore, radial sealing sections (601, 602) are provided in an outer bearing member (60...
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WO/2011/124237A1 |
The invention relates to a cathode element for a microfocus x-ray tube comprising a heatable filament made of wire for thermionically emitting electrons to form an electron beam. The filament has an elongated extension (11, 12) in each o...
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WO/2011/121517A1 |
The present invention relates to a bearing system (1) for a rotary anode (24) of an X-ray tube (23). The bearing system comprises a shaft (2) for supporting the rotary anode (24), the shaft being surrounded by two swash rings (7). Furthe...
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WO/2011/118883A1 |
The present invention relates to an X-ray tube using non-evaporable getter in order to maintain vacuum, and is to provide the structures of a fixed anode X-ray tube and a rotating anode X-ray tube, having non-evaporable getter. Since the...
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WO/2011/119629A1 |
Multibeam field emission x-ray systems and related methods can include cathode elements, an anode assembly spaced from the plurality of cathode elements, and an extraction gate positioned between the plurality of cathode elements and the...
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WO/2011/115711A1 |
A diagnostic imaging system, which can be a mobile or stationary surgical CT imaging system or an MRI system, comprises an internal airflow cooling system that includes an air intake opening and an air outtake opening that are positioned...
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WO/2011/113814A1 |
In this embodiment, the invention relates to a multifocus tube (MF), wherein the X-ray sources (CNTH1 - CNTHn, CNTL1 - CNTLn) can be actuated such that X-rays having various X-ray spectra are generated.
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WO/2011/115858A1 |
A method of irradiating a target tissue in a patient comprising positioning the patient on a patient support system so that the target tissue in the patient is within irradiating distance of at least one source of a beam of radiation and...
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WO/2011/104011A2 |
An X-ray tube comprises an electron gun (40) for producing an electron beam (60), a target (72) and a target holder (74), which consists of a holder material which has a lower atomic number than the target material. The target (72) has a...
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WO/2011/095131A1 |
An x-ray electron beam generation device (1) and a cathode (11) thereof are provided. The x-ray electron beam generation device (1) includes the cathode (11), a focusing device (13), an anode target (15) and a glass container (17). The c...
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WO/2011/095925A1 |
An X-ray tube comprises a containment element (2) in which a cathode (4) and an anode (5) are mounted. The anode (5) comprises a first main face (6) which is substantially facing towards the cathode (4) and a second main face (7) which i...
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WO/2011/084232A2 |
A multiple wavelength x-ray source (10) includes a multi-thickness target (14, 14b, 14c, 14d), having at least a first and a second thickness (T2, Tl). The first thickness can substantially circumscribe the second thickness. An electron ...
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WO/2011/083416A1 |
An X-ray tube is provided adapted to generate X-ray beams, comprising a first and a second deflection device mounted external or internal to the X-ray tube between a cathode and an anode in a diagonal manner for focal spot deflection in ...
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