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Matches 451 - 500 out of 7,932

Document Document Title
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...  
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...  
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, ...  
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...  
WO/2011/146758A3
According to some aspects, a hybrid optic is provided. The hybrid optic comprises a capillary optic for receiving x-rays from an x-ray source at an entrance portion of the capillary optic and for providing x-rays at an exit portion of th...  
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...  
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...  
WO/2012/007881A3
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...  
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...  
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...  
WO/2011/159723A3
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.  
WO/2011/159944A3
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...  
WO/2011/105035A4
A radioactive ray generating apparatus includes a second shielding member, a target, and a first shielding member, which are sequentially disposed from an electron emission source side. A shortest distance from a maximum radiation intens...  
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...  
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...  
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)...  
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...  
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...  
WO/2011/105035A3
A radioactive ray generating apparatus includes a second shielding member, a target, and a first shielding member, which are sequentially disposed from an electron emission source side. A shortest distance from a maximum radiation intens...  
WO/2011/104011A3
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...  
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...  
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 ...  
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...  
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.  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
WO/2011/082737A3
The invention relates to X-ray tubes, in particular for panographic recordings, comprising an electron gun (12) for producing an electron beam (24), a target (20) and means (22) for focusing the electron beam (24) on the target (28), and...  
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...  
WO/2011/091070A3
The present invention provides a multi-view X-ray inspection system. In one embodiment, a beam steering mechanism directs the electron beam from an X-ray source to multiple production targets which generate X-rays for scanning which are ...  
WO/2011/084232A3
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 ...  
WO/2011/053972A3
A dual energy X-ray source for use in Homeland Security, Medical, Non-destructive Testing, and other markets includes a power supply, and a single x-ray tube. The X-ray tube includes two cathodes, and a single anode. The electrons from t...  
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...  
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...  
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...  
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 ...  
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 ...  
WO/2011/076416A1
In a method for producing rectified x-ray images for dental or orthodontic diagnostics, a x-ray source (28) is introduced into the oral cavity (34) of a patient (36). A x-ray detector (32) is arranged such that it extends at least about ...  
WO/2011/051861A3
The present invention relates to X-ray generating technology in general. Providing X-ray generating device internal voltage sources or potentials may help reduce necessary feed-throughs into an evacuated envelope of an X-ray generating d...  
WO/2011/051855A3
The present invention relates to X-ray generating technology in general. Providing an electron collecting element of an X-ray generating device statically may allow for the manufacture of X-ray systems with reduced moving parts and actua...  
WO/2011/051860A3
The present invention relates to X-ray generating technology in general. Providing X-radiation having multiple photon energies may help differentiating tissue structures when generating X-ray images. Consequently, an X-ray generating dev...  
WO/2011/070475A1
An alloy comprising at least two refractory metals and a method for forming such alloy are proposed. In the alloy, a first refractory metal such as tantalum forming a minor portion of the alloy is completely dissolved in a second refract...  
WO/2011/025740A3
An X-ray target assembly includes a substrate, a target supported by the substrate adapted to generate X-rays when impinged by an electron beam, and an enclosure over the target providing a volume for the target. The enclosure is made of...  

Matches 451 - 500 out of 7,932