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Matches 1 - 50 out of 7,522

Document Document Title
WO/2018/005901A1
The present disclosure relates to the production and use of a multi-layer X-ray source target. In certain implementations, layers of X-ray generating material may be interleaved with thermally conductive layers. To prevent delamination o...  
WO/2018/005463A1
A cathode assembly design is provided that includes two flat emitters (76, 78), a longer emitter filament (76) and a shorter emitter filament (78). In one implementation the focal spot sizes produced by the long and short emitters overla...  
WO/2017/220455A1
An X-ray source (1) and a corresponding method for generating X-ray radiation are disclosed. The X-ray source comprises a chamber (110) comprising an interaction region (I), and a first electron source (130) operable to emit a first elec...  
WO/2017/221478A1
An emitter (3) and a target (7) are arranged oppositely in a vacuum chamber (1), and a guard electrode (5) is provided on the outer peripheral side of the electron generating unit (31) of the emitter (3). An emitter support unit (4), whi...  
WO/2017/221743A1
An x-ray tube is provided with a negative electrode (2) and a positive electrode. The negative electrode has a filament coil (5) and a focusing electrode (10) that includes a valley bottom part (M), a first inclined plane (11) rising fro...  
WO/2017/221479A1
An emitter (3) and a target (7) are arranged oppositely in a vacuum chamber (1), and a guard electrode (5) is provided on the outer peripheral side of the electron generating unit (31) of the emitter (3). An emitter support unit (4), whi...  
WO/2017/216555A2
An x-ray micro-beam radiation production system is provided having: a source of accelerated electrons, an electron focusing component configured to focus the electrons provided by the source, and a target which produces x-rays when elect...  
WO/2017/217051A1
In this invention, an emitter (3) and a target (7) are disposed face-to-face in a vacuum chamber (1), and a guard electrode (5) is provided on the outer peripheral side of an electron-generating portion (31) of the emitter (3). The guard...  
WO/2017/217228A1
Disclosed is an X-ray generator allowing a high-brightness X-ray to be obtained through a simple configuration. This X-ray generator (100) comprises: a chamber (11); a disc-shaped rotating body (21) disposed inside the chamber (11); a st...  
WO/2017/213996A1
This disclosure presents systems for x-ray microscopy using an array of micro-beams having a micro- or nano-scale beam intensity profile to provide selective illumination of micro- or nano-scale regions of an object. An array detector is...  
WO/2017/204850A1
.A compact source for high brightness x-ray generation is disclosed. The higher brightness is achieved through electron beam bombardment of multiple regions aligned with each other to achieve a linear accumulation of x-rays. This may be ...  
WO/2017/184232A1
Electron beam spot characteristics can be tuned in each x-ray tube (10, 30) by moving a focusing-ring (13) along a longitudinal-axis (15) of the x-ray tube. The focusing-ring can then be immovably fastened to the x-ray tube. An x-ray sou...  
WO/2017/185028A1
A tomosynthesis system has an x-ray source with an addressable array of electronemitting sections on the cathode. The x-ray source moves rotationally about an imaging target, such as a breast. During the rotation, x-rays are emitting fro...  
WO/2017/172025A1
A transmission-target x-ray tube (10, 40, 50) can include an x-ray window (12) mounted on a window-housing (13). The window-housing (13) can be made of a high density material with a high atomic number, and can include an aperture (13a) ...  
WO/2017/168033A1
The invention relates to a radiation window structure. The radiation window structure comprising a substrate (102) made of silicon nitride and a coating layer (104) grown from a vapor phase on outer surface of the substrate (102). The in...  
WO/2017/173341A1
Embodiments provide a stationary X-ray source for a multisource X-ray imaging system for tomographic imaging. The stationary X-ray source includes an array of thermionic cathodes and, in most embodiments a rotating anode. The anode rotat...  
WO/2017/159960A1
The present invention relates to an insulating oil reloading device and an insulating oil reloading method of an X-ray tube module, which can facilitate, through movement and defoaming of the insulating oil using vacuum pressure, the sup...  
WO/2017/161161A1
A cathode head (15) can include: an insulating block (226) on a base (216); an electron emitter (222) with a planar emitter surface (234) formed by a plurality of elongate rungs (235) connected together through a plurality of turns (236)...  
WO/2017/161376A1
Technology is described for a magnetic lift device for an x-ray tube. In one example, an anode assembly includes an anode, a bearing assembly, a ferromagnetic shaft, and a lift electromagnet. The anode is configured to receive electrons ...  
WO/2017/156033A1
A high energy radiation device may include a band and/or contact rod with surface properties to enhance field emissions or otherwise assist in control of x-ray generation. The high energy radiation device comprises a housing for maintain...  
WO/2017/149006A1
An X-ray source (100) and a corresponding method for generating X-ray radiation are disclosed. The X-ray source comprises a target generator (110), an electron source (120) and a mixing tool (130). The target generator is adapted to form...  
WO/2017/147603A1
A system and corresponding method for detecting one or more high-atomic-number elements in a patient includes a Bremsstrahlung x-ray source that produces x-rays in an energy spectrum including an energy of at least 160 kiloelectron-volts...  
WO/2017/147419A1
The present application provides a bipolar x-ray tube module. The bipolar x- ray tube module may include a bipolar x-ray tube and at least two voltage multipliers. The voltage multipliers may be positioned such that the voltage gradient ...  
WO/2017/133876A1
The invention relates to a tomography device with means for generating an electron beam; a deflecting device for deflecting the electron beam; a target; a controller for controlling the deflecting device using control data such that the ...  
WO/2017/135778A1
An X-ray ioniser having an easily-replaceable X-ray tube according to the present invention comprises: an X-ray tube module on which a specially-manufactured coupling bolt is held by being hooked thereonto; a voltage-generation assembly ...  
WO/2017/130013A1
The disclosed system includes an emitter array for generating x-rays, a detector array for sensing a flux of x-rays transmitted through a region of interest; apparatus for holding, moving and aligning the emitter array relative to the re...  
WO/2017/130262A1
The present disclosure provides a reliable X-ray generating tube that forms a focus with a stable size and shape. The X-ray generating tube includes an electron gun including an electron emitting portion, a plurality of grid electrodes, ...  
WO/2017/125315A1
The invention concerns a low pressure wire ion plasma discharge source comprising an elongated ionization chamber (1) housing at least two parallel anode wires (2, 3) extending longitudinally within the ionization chamber. According to t...  
WO/2017/120390A1
An X-ray assembly may include a housing, an anode, and a cathode assembly. The anode may be located at least partially within the housing. The anode may include a target area configured such that X-rays generated at the target area form ...  
WO/2017/119717A1
An electric-field emitting X-ray source apparatus is disclosed, wherein a joint part thereof between a metal electrode and an insulation spacer uses a lap joint having excellent adhesivity that is relatively better than that of a butt jo...  
WO/2017/108923A1
Target assembly for an x-ray emission apparatus comprise a vacuum chamber (91) with at least one conductive wall (92). The assembly comprises an insulating element (93) projecting through the conductive wall and high voltage element may ...  
WO/2017/109981A1
This charged particle device is provided with: an electron emitting part that emits electrons; an electron-irradiated part that is irradiated with the electrons emitted from the electron emitting part; a housing part that can out-vent th...  
WO/2017/104659A1
In order to provide an X-ray tube that reduces to the extent possible the distance between a target and a sample and can suppress the occurrence of deformations resulting from the pressure differential in a target which emits X-rays upon...  
WO/2017/092834A1
The invention relates to an electron antenna as an anode for a micro- or nano-focus X-ray generation comprising an antenna base (0345) and an antenna element (0335) arranged on the antenna base such that the antenna element protrudes fro...  
WO/2017/080843A1
The invention relates to a cathode for an X-ray tube and a corresponding method for assembly. The cathode comprises a filament (22), at least two support structures (21), a body structure comprising a recess for the filament. The filamen...  
WO/2017/073109A1
This rotating anode X-ray tube is provided with: a fixed shaft having a central axis (A); a rotor; a cathode (60) provided with an electron focusing cup which is provided with a flat first surface (60A) and a groove part open at the firs...  
WO/2017/073523A1
This rotating anode X-ray tube is provided with a fixed shaft, a rotor, a cathode, an anode target, and a vacuum envelope. The cathode is provided with a first filament, and an electron focusing cup. The electron focusing cup is provided...  
WO/2017/066589A1
A tomography apparatus includes a multi-focal point x-ray source, a support to travel a trajectory path, a detector having a plurality of pixels, where one of the multi-focal point x-ray source, the detector, and an item-under-test move ...  
WO/2017/052799A1
Improved heat transfer from an x-ray tube (15) can be accomplished with a heatsink (13) surrounding at least part of an x-ray tube. The heatsink can be electrically connected to an anode (12) of the x-ray tube and can be an electrical cu...  
WO/2017/036015A1
An X-ray conversion target comprises a panel (1) and a base (3). Openings are formed in the middle parts of the panel and the base along the length directions. A bombardment plate (2) is fixedly disposed at the position between the panel...  
WO/2017/038302A1
Provided are: a method and a device for generating x-rays, the x-ray generation device having an extremely simple device configuration and capable of selectively generating x-ray beams in point form or in line form; and a sample measurem...  
WO/2017/034432A1
An electron beam focusing system with a dielectric material based focusing element An electron beam focusing system (1) focuses an electron beam onto a desired focal spot (9) on a target (99). The system includes an electron beam source ...  
WO/2017/034092A1
The present invention relates to a "containment device for shielding X-rays radiated from an X-ray tube," which efficiently shields X-rays radiated from an X-ray tube used in a static eliminator, thereby avoiding risk factors against a h...  
WO/2017/028473A1
An X-ray tube (100) comprises a rotor shaft (106); a rotor seat (108), which is an integral structure, electrically conductive and thermally insulating, and connected to the rotor shaft in a fixed manner; a bearing (104), which is connec...  
WO/2017/026140A1
An X-ray tube according to an embodiment is provided with: a negative electrode (11) for releasing electrons; a positive electrode (12) having a positive electrode target (12a) which is caused to release X-rays by being impacted by the e...  
WO/2017/024048A1
An x-ray window, which may be utilized within an x-ray source or an x-ray detector is disclosed, and a method for manufacturing the same. The x-ray window may be permeable to soft x-rays. The x-ray window may have at least one surface in...  
WO/2017/019782A1
Novel and advantageous systems and methods for performing X-ray imaging by using an X-ray source with source grating functionality incorporated therein are provided. An electron beam can be electromagnetically manipulated such that the X...  
WO2017011055A1
The invention includes a power supply (17) for an x-ray tube (49). The power supply can comprise a control box (48) and a remote box (47). An electron-emitter transformer (14) can be located in the remote box. A box-connector cable (41) ...  
WO/2017/001256A1
The invention relates to a system (100) for generating and collimating an X-ray beam (104), comprising an X-ray tube insert for generating the X-ray beam, the X-ray tube inert being a vacuum tube; a tube housing (102) for containing the ...  
WO/2017/002363A1
Provided is an X-ray generating apparatus in which a likelihood that an anode member may be deformed by heat deformation of a container is eliminated or reduced to maintain a positional relationship between an electron source and a trans...  

Matches 1 - 50 out of 7,522