Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 7,898

Document Document Title
WO/2013/014123A1
The invention relates to an x-ray tube for producing x-ray radiation, comprising an anode (4), which comprises a phase-change material, PCM (11), for cooling, and to a method for producing the x-ray tube. The phase-change material (11) i...  
WO/2013/014161A1
The present invention relates to an apparatus (10) as well as a method for generating X-ray radiation, in particular for generating an X-ray radiation field, comprising an electron source (11 ) for generating an electron beam (12) as wel...  
WO/2013/007484A1
The invention relates to an arrangement for generating X-rays and to an X-ray device comprising an electron source (1), an anode (20) which emits X-rays upon interacting with impinging electrons, and a collector (3) which slows and inter...  
WO/2013/001384A1
The present invention relates to the generation of multiple energy X-ray radiation. In order to provide multiple energy X-ray radiation with increased switching frequencies, a rotating anode (10) for an X-ray tube is provided with an ano...  
WO/2012/176378A1
In an X-ray tube having an X-ray shielding member (110) allowing an electron ray to pass through an electron passing hole toward a target (108), separately from the cathode-side opening of the electron passĀ¬ ing hole, a gas exhaust path...  
WO/2012/142154A3
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 ...  
WO/2012/173722A1
Electron emitters for x-ray tubes. In one example embodiment, an electron emitter for an x-ray tube includes an electron filament and a plurality of electrical leads. The electron filament defines a plurality of openings. Each lead is po...  
WO/2012/169143A1
An X-ray emitting target including a diamond substrate (80), a first layer (81) disposed on the diamond substrate and including a first metal, and a second (82) layer disposed on the first layer and including a second metal whose atomic ...  
WO/2012/167822A1
An X-ray emitter is described which is suitable for evenly sterilizing large volumes of material in a short time, the emitter having an elongated X-ray target window (22) and correspondingly elongated electron source (5) mounted in a vac...  
WO/2012/169141A1
An X-ray emitting target including a diamond substrate (80), a first layer (81) disposed on the diamond substrate and including a first metal, and a second layer (82) disposed on the first layer and including a second metal whose atomic ...  
WO/2012/125492A3
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...  
WO/2012/139872A3
The invention relates to an electron source for generating an electron beam and to an X-ray source for generating X-ray radiation. The invention concerns an electron source (1) for generating an electron beam (22), in which source a firs...  
WO/2012/074834A8
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...  
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 ...  
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...  
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; ...  
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...  
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...  
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...  
WO/2012/080958A3
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 (...  
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...  
WO/2012/050725A3
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/2012/074834A3
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...  
WO/2012/039823A3
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/2012/069861A8
The present invention relates to a liquid- anode radiation 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, wherein the ou...  
WO/2012/058414A3
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/2012/025830A4
An x-ray transmission tube (7) uses thick target materials which are 50 microns and thicker; possible target material compositions includ various elements and their alloys, eutectic alloys, compounds, or intermetallic compounds; and meth...  
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...  
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...  
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...  
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 (...  
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...  
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...  
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...  
WO/2012/046953A3
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/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...  
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...  
WO/2012/025830A3
An x-ray transmission tube (7) uses thick target materials which are 50 microns and thicker; possible target material compositions includ various elements and their alloys, eutectic alloys, compounds, or intermetallic compounds; and meth...  
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...  
WO/2012/047667A3
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/2012/069944A1
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...  

Matches 401 - 450 out of 7,898