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WO/2004/093117 |
A shielding disk for managing x-ray emission form a stationary anode x-ray tube is disclosed. The stationary anode x-ray tube includes an anode housing and a stainless steel can that together form an evacuated enclosure and respectively ...
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WO/2004/093501 |
A standing wave electron beam accelerator and x-ray source is described. The accelerator has a plurality of on-axis resonant cells having axial apertures electrically coupled to one another by on-axis coupling cells having axial aperture...
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WO/2004/086439 |
Methods and apparatus for independent control of electron emission current and x-ray energy in x-ray tubes are provided. The independent control can be accomplished by adjusting the distance between the cathode and anode. The independent...
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WO/2004/079762 |
An x-ray tube cathode assembly (28) includes a support arm (36) comprising a first metal. A ceramic insulator (70, 82) has a first metalized surface (72, 86) wherein the metalized surfaces comprise a desired amount of the first metal. A ...
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WO/2004/079375 |
An apparatus and method for reducing the incidence of electric field stress (42) on portions of insulating structures (40) within high voltage devices (10) is disclosed. Each of the embodiments disclosed herein modifies the conductive pr...
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WO/2004/077481 |
A miniature x-ray tube has an anode assembly capable of transmitting x-rays through the anode and over a wide angular range. The anode (62) is in the shape of a cone or truncated cone with an axis on the x-ray tube frame axis, formed of ...
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WO/2004/066335 |
An x-ray source includes a carbon nanotube FE (field emission) cathode that is heated with laser light propagated down a fiber optic cable. The resulting two-terminal x-ray tube allows for independent control of tube voltage and tube cur...
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WO/2004/066344 |
An X-ray tube device capable of outputting an X-ray of a dose suitable for radiographing for an extended time, wherein minor focal point-use filaments (72, 73) are installed on the opposite sides of a major focal point-use filament (71) ...
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WO/2004/066335 |
An x-ray source includes a carbon nanotube FE (field emission) cathode that is heated with laser light propagated down a fiber optic cable. The resulting two-terminal x-ray tube allows for independent control of tube voltage and tube cur...
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WO/2004/064106 |
In an X-ray bulb (1), an electron beam emitted from a cathode (18) impinges against a target (36) to generate X-rays. During operation of the X-ray bulb (1), a magnet section (40) is rotated at a constant time interval and positioned at ...
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WO/2004/053919 |
The present invention relates to an X-ray source comprising an electron source (1) for the emission of electrons (E), a target (4) for the emission of characteristic, substantially monochromatic X-rays (C) in response to the incidence of...
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WO/2004/042769 |
The invention concerns an X-ray generator and a method for making such a generator. The X-ray generator (1) comprises a closed chamber (2) wherein prevails a vacuum sufficient for the displacement of an electron beam (4). The generator (...
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WO/2004/037088 |
A computed tomography imaging scanner (10) acquires helical cone beam projection data for a volume of interest (46) using at least two source trajectory helices. A reconstruction processor (62) reconstructs the projection data for each h...
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WO/2004/030162 |
A RF linear electron accelerator system for generating a beam of accelerated electrons bunched in pulses having different energy spectra from pulse to pulse. The system is operable to generate a beam of high energy X-rays from such beam ...
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WO/2004/026007 |
A feedback controlled X-ray tube. An X-ray detector detects the emitted X-rays and provides a detected X-ray signal indicative thereof to a control system, which provides the current control signal, providing feedback stabilization of th...
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WO/2004/025682 |
A radiation window device (10) to transmit radiation (11) as part of an x-ray source or detector (13) includes a support (14) to be subject to a substantial vacuum, and an opening (18) configured to transmit radiation. A film (22) is mou...
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WO/2004/023852 |
An X-ray tube (210) has a metal-ceramic envelope (212) having rotatably mounted therein an anode disk (244), which may be axially translatable and provided with a peripheral rim surface wherein a focal track spiral groove (260)(or multip...
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WO/2004/023512 |
The invention relates to a device for generating UV radiation, in particular EUV radiation. Said device comprises a particle source, which releases electrically charged particles, and means for generating an electric field, in which the ...
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WO/2004/023513 |
The invention relates to a high-voltage vacuum tube (9) comprising an anode (3) and a cathode (4), whereby the anode (3) and/or the cathode (4) are/is electrically insulated by means of an annular insulator (21/22). The annular insulator...
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WO/2004/017683 |
A rotor assembly capable of augmented heat transfer within an x-ray tube is disclosed for preventing heat damage to sensitive tube components. The rotor assembly generally comprises a shaft assembly for supporting the anode, a bearing as...
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WO/2004/013883 |
A high voltage connector assembly is disclosed for use with high power apparatus including x-ray devices. The present connector is a pancake-style connector, and interconnects a high voltage cable with the cathode of the x-ray tube. The ...
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WO/2004/012014 |
A diagnostic technique for an x-ray source (100). A system (160) monitors existing conditions (e.g., tube current Y) in the source to track degradation of certain components to anticipate failure. Storage of past characteristics and refe...
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WO/2004/010162 |
An X-ray source is disclosed comprising a source of high energy electrons that travel along a longitudinal path. Target material lies along the longitudinal path and X-ray radiation is generated due to impact of the high energy electrons...
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WO/2004/010744 |
X-ray generating equipment for generating X-ray by radiating electron beam on a target, comprising a vibration providing part for vibrating the target in the surface direction of the target, whereby, since an actually effective electron ...
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WO/2003/103001 |
An electromagnetic wave energy emitter including a generally cylindrical probe including generally coaxial first and second electrodes, each of the electrodes having an at least partially cylindrical shape, one of the electrodes being en...
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WO/2003/103346 |
The invention relates to an X-ray tube which includes a device for at least substantially protecting an object to be examined against the incidence of undesirable X-rays (E) which can be produced notably by the decay of a residual or sur...
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WO/2003/103000 |
A system and method for delivering radiation that comprises a source for creating an electron beam, a system that focuses the electron beam and then deflects the beam such that the beam is swept across a first target as an arbitrary patt...
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WO/2003/096763 |
An X-ray generator comprises an X-ray monitor for monitoring X rays generated from a target. X-rays are monitored in real time and can be maintained constant. The X-ray monitor is disposed out of the path where the X-rays emerging throug...
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WO/2003/088302 |
The invention relates to targets for an X-ray transmission tube (9); to a high efficiency, high excitation energy X-ray transmission tube; to combinations of the targets and high efficiency X-ray transmission tubes; and applications for ...
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WO/2003/083891 |
The invention relates to a device for generating X-rays (41). The device comprises a source (5) for generating an electron beam (35), and a carrier (7) which is rotatable about an axis of rotation (15) and which is provided with a materi...
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WO/2003/081631 |
The invention relates to a target device for a beam source for emitting high-frequency, especially X-ray-frequency, radiation (R) from the target device (21,...,26) which can be irradiated by a particle beam (e) in order to emit the high...
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WO/2003/080180 |
The present invention provides apparatus and method for providing a stabilized x-ray output from a field emission x-ray apparatus by monitoring the operating current and adjusting the gap between the anode and cathode to stabilize the ou...
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WO/2003/079396 |
An x-ray tube ((10) includes an evacuated envelope (14), a cathode assembly (20) located in the evacuated envelope and a disk shaped anode assembly (18) located in the evacuated envelope in operative relationship with the cathode assembl...
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WO/2003/077276 |
The invention relates to a device for generating X-rays (31). The device has a source (5) for emitting electrons (27) accommodated in a vacuum space (3). The X-rays are emitted by a liquid metal as a result of the incidence of the electr...
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WO/2003/077277 |
The invention relates to a device for generating X-rays (31). The device has a source (5) for emitting electrons (27) accommodated in a vacuum space (3). The X-rays are emitted by a liquid metal as a result of the incidence ofthe electro...
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WO/2003/069650 |
The invention relates to a device for generating X-rays (69). The device comprises a source (5) for emitting electrons (65), a carrier (7) which is provided with a material (9) which generates X-rays as a result of the incidence of elect...
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WO/2003/065401 |
A system (10) for delivering therapeutic radiation, such as x-rays, to a treatment region includes a plurality of individually controllable therapeutic radiation sources(20) . The therapeutic radiation sources are selectively and moveabl...
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WO/2003/065772 |
An x-ray tube and method of operating include a vacuum chamber vessel and a source of an electron beam inside the vacuum chamber vessel. A target disposed inside the vacuum chamber vessel includes a substrate and one or more deposits att...
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WO/2003/065402 |
An x−ray tube (124) comprising a first electrode (38) and a second electrode (40). The first and second electrodes are located in operative relationship with one another to generate x−rays (56) when the electrodes are energized at th...
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WO/2003/063195 |
A structure to generate x-rays has a plurality of stationary and individually electrically addressable field emissive electron sources (402) with a substrate composed of a field emissive material, such as carbon nanotubes. Electrically s...
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WO/2003/052789 |
The invention concerns an X-ray generator comprising a tube (2; 30) wherein prevails a vacuum, a cathode (3; 31) and an anode (5; 33) located inside the tube (1; 30), the cathode (3; 31) generating an electron beam towards the anode whic...
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WO/2003/051201 |
An x-ray computed tomography system uses a broad area x-ray emitter and detector to allow both in plane and out of plane x-ray projections not restrained to spiral or helical scans.
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WO/2003/050840 |
The invention relates to a device for generating X-rays (69) comprising a source (5) for emitting electrons and a carrier (7) which is provided with a material (9) which generates X-rays as a result of the incidence of electrons. The dev...
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WO/2003/049138 |
A method and device for cooling and electrically-insulating a high-voltage, heat-generating component, for example, an x-ray tube (1105) for analyzing fluids by means of x-ray fluorescence. The device includes an x-ray source (1100) incl...
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WO/2003/048745 |
A method and apparatus for analyzing fluids by means of x-ray fluorescence. The method and apparatus includes a semiconductor-type detector, preferably one having a small-area, for example, a PIN-diode type semiconductor x-ray detector (...
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WO/2003/049510 |
An x-ray source assembly (2700) and method of operation are provided having enhanced output stability. The assembly includes an anode (2125) having source spot upon which electrons (2120) impinge and a control system (2715/2720) for cont...
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WO/2003/044823 |
A cathode assembly (18, 216) for an x-ray tube (1) includes a base (60, 220) to which a filament (66) is mounted. A pair of deflectors (82, 84) is carried by the base for deflecting a beam (A) of electrons generated by the filament. Meta...
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WO/2003/043389 |
An x-ray tube (1) includes a heat shield (130) which intercepts heat radiating from an anode (10), thereby reducing the temperature of a bearing assembly (62). The heat shield includes outer and inner concentric cylinders (132, 134) spac...
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WO/2003/043050 |
An x−ray system 20 includes an x−ray tube insert (24) that has an evacuated envelope (34), an anode assembly (38) and a cathode assembly (40). The anode assembly (38) and the cathode assembly (40) are located in operative relationshi...
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WO/2003/040714 |
Thin film thickness measurement accuracy in x-ray reflectometry systems can be enhanced by minimizing scattering and beam spreading effects. An oblong x-ray beam can be produced by shaping the electron beam in an x-ray microfocus tube, o...
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