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Matches 151 - 200 out of 7,898

Document Document Title
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...  
WO/2017/011055A1
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...  
WO/2017/002515A1
The purpose of the present invention is to provide an X-ray tube device having a structure allowing a reserve presser to slide smoothly in the rotation axis direction, and to provide an X-ray CT device equipped with this X-ray tube devic...  
WO/2017/003237A1
Disclosed is a portable X-ray generation device, which uses an electric field emission-type X-ray source, and is thus advantageous in reducing weight and volume and has excellent reliability in X-ray emission performance. The portable X-...  
WO/2017/003236A1
Disclosed is a portable X-ray emission device, which uses an electric field emission-type X-ray source, and is thus advantageous in reducing weight and volume and has excellent reliability in X-ray emission performance. The portable X-ra...  
WO/2016/208012A1
Provided are an X-ray tube device and negative electrode with which it is possible to inhibit variation in the temperature of an electron release part, while inhibiting deformation in the electron release part. The X-ray tube device is p...  
WO/2016/205772A1
A support structure for a membrane comprises a plurality of support members and at least one flange, including: (a) a first set of spoke¬ like support members that extend generally from at least one flange toward a common hub and that h...  
WO/2016/191274A1
An apparatus for creating x-ray beams suitable for imaging at least part of a body, comprising an x-ray tube comprising: an electrode gun providing an electron beam; at least one anode surface; an electron beam control means for controll...  
WO/2016/190074A1
Provided is a reflective X-ray generation device with which it is possible to adequately minimize any reduction in quality of a target. A reflective X-ray generation device is provided with: a chamber (10) constituting part of an interio...  
WO/2016/179614A1
The invention relates to a rotary anode for generating X-ray radiation, comprising a main part which has a first face and a second face opposite the first face. At least one first focal track layer is arranged on the first face of the ma...  
WO/2016/179615A1
The invention relates to an X-ray anode for generating X-ray radiation and having a carrier body (13) and a first emission layer (14) and at least a second emission layer (15) which generate X-ray radiation as a result of impingement by ...  
WO/2016/149278A8
An X-ray tube can include: a cathode planar emitter that emits an inhomogeneous electron beam; an anode to receive the electron beam; a first magnetic quadrupole having a first yoke with four evenly distributed first pole projections ext...  
WO/2016/149278A1
An X-ray tube can include: a cathode planar emitter that emits an inhomogeneous electron beam; an anode to receive the electron beam; a first magnetic quadrupole having a first yoke with four evenly distributed first pole projections ext...  
WO/2016/144897A1
An X-ray tube (100) can include: a cathode including an electron emitter; an anode configured to receive the emitted electrons; a first magnetic quadrupole (204) between the cathode and the anode and having a first quadrupole yoke with f...  
WO/2016/136373A1
The X-ray tube device according to one embodiment of the invention comprises: a positive pole target (35) provided with a target surface wherewith an electron collides to generate X-ray; a negative pole (36) provided with a plurality of ...  
WO/2016/136360A1
The X-ray tube device according to one embodiment of the invention comprises: a negative pole (36) emitting an electron in the electron trajectory direction; a positive pole target (35) provided so as to face the negative pole, and havin...  
WO/2016/134701A1
The invention relates to an X-ray source for ionising of gases, with a field emission peaks array in a vacuum chamber. The invention provides a device for ionising of gases, which combines the simple, compact and cost-effective design an...  
WO/2016/121693A1
A rotating anode X-ray tube according to the present embodiment is provided with: a rotating cylinder (5) to which an anode target is fixed; a rotating shaft (7) coaxially fixed to an inner side of the rotating cylinder; an anode stator ...  
WO/2016/123405A1
A cathode head can include: a first electron emitter filament having a first size; a first grid pair defining walls of a first filament slot having the first filament therein, each grid member of the first grid pair being electronically ...  
WO/2016/120104A1
The invention relates to an apparatus for generating X-ray radiation in an outer magnetic field (50) which can be generated by a magnetic field device. The apparatus (1) comprises a cathode (10) for generating an electron beam (30) and a...  
WO/2016/116284A1
The invention relates to a drive for the rotary anode (151) of a rotary anode x-ray tube, which is used in a range of action of a magnetic resonance tomograph (MRT). The drive operates according to the principle of an electric motor, for...  
WO/2016/114107A1
The present invention has its objective to reduce the size of an electron beam sterilization system so as to lower the cost and complexity of the overall system. An electron beam emitter according to the present invention includes a powe...  
WO/2016/113972A1
Provided is a rotating anode type X-ray tube allowing for a longer life span. In one embodiment of the present invention, the rotating anode type X-ray tube comprises a fixed axis (10) having a first surface intersecting with a parallel ...  
WO/2016/109053A1
In the present invention, a cathode (60) for an x-ray tube (12) is formed with a large area flat emitter (55). To reduce the aberrations to a minimum, the emission area (237) in the flat emitter (55) has a non-rectangular shape and focus...  
WO/2016/102370A1
The invention relates to a metal jet x-ray tube which is less affected by the problem of the power density at the point of impact of the electron beam on the anode component than conventional tubes. For this purpose the metal jet x-ray t...  
WO/2016/104484A1
A vacuum chamber (1), wherein an emitter (3) and a target (7) are disposed so as to face each other, and a guard electrode (5) is provided on the outer periphery side of an electron generation unit (31) of the emitter (3). The emitter (3...  
WO/2016/102575A1
A high-energy switchable electron source controlled by a current source (SCCO) in which: • the switchable cathode comprises at least one field-effect transmitter (105) and one screening electrode (111) located in or under a plane P com...  
WO/2016/080129A1
Provided is an X-ray tube device having a configuration capable of preventing a solid lubricating film from scattering in the X-ray tube even when the solid lubricating film has fallen off a rotary bearing. The X-ray tube device is provi...  
WO/2016/075140A1
The invention relates to a source-detector arrangement (11) of an X-ray apparatus (10) for grating based phase contrast computed tomography. The source-detector arrangement comprises an X-ray source (12) adapted for rotational movement a...  
WO/2016/076645A1
The present invention relates to an X-ray source which can combine a negative electrode part having a CNT electron emitter and a positive electrode part within a housing made of a glass material without passing through a brazing process,...  
WO/2016/077049A1
A structure and associated method for forming a liquid metal or spiral groove bearing assembly for an x-ray tube is illustrated that utilizes a unitary sleeve and a thrust ring or seal each formed of a weldable, non-refractory material. ...  
WO/2015/058853A8
A target 1/filament 5 for an x-ray tube 9 comprising a target base 10/filament holder and a target element 11/filament element attached thereto, wherein an identification element 8, 14, 15 is attached to the target base 10/filament holde...  
WO/2016/066810A1
The present invention relates to an x-ray tube having a self-heating anode which carries during operation a high voltage, preferably more than 120 kV, particularly preferably more than 300 kV, wherein a cooling body (4) is connected to t...  
WO/2016/059535A1
A method of designing an x-ray emitter panel 100 including the step of determining a pitch scale, r, to be used in placing x-ray emitter elements 110 on the panel 100, thereby arriving at a specific design of x-ray emitter panel 100 suit...  

Matches 151 - 200 out of 7,898