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Patent Searching and Data


Matches 601 - 650 out of 7,934

Document Document Title
WO/2009/083998A1
An X-ray tube anode target assembly (101) having a support shaft (107) connected to a pivot assembly (109) and a movable anode target (105) having a target surface (106) disposed at one end of the support shaft and a contact element (108...  
WO/2009/083997A1
A high flux X-ray tube anode target assembly (101). The assembly includes a support shaft (107) connected to a pivot assembly (109). The assembly further includes a movable anode target (105) having a target surface (106) disposed at one...  
WO/2009/083534A1
The invention relates to the cooling of an x-ray generator tube. A tube comprises mainly a vacuum chamber (10) containing a cathode block (11) supported by an insulator (20) and generating an electron beam (15) that strikes a target (14)...  
WO/2009/081312A1
Scattered electron collector comprising a heat absorbing member having a first end, a second end, an outer periphery and a central bore (14, 16), wherein the central bore is formedin longitudinal direction through the heat absorbing memb...  
WO/2008/068691A3
It is described an X-ray tube (100, 200) for moving a focal spot within a wide range. The X-ray tube (100, 200) comprises a first electron source (105), which is adapted to generate a first electron beam projecting along a first beam pat...  
WO/2009/078581A2
A microminiature X-ray tube with a triode structure using a nano emitter is provided, which can increase a field emission region as much as possible by means of nano emitters fine-patterned in a cathode to not only increase an emission c...  
WO/2009/076111A2
A multi-energy imaging system and method for selectively generating high-energy X-rays and low-energy X-ray beams are described. A pair of optic devices are used, one optic device being formed to emit high X-ray energies and the other op...  
WO/2009/068891A1
An X-ray tube is described having a filament for generating electrons (5), a cathode, and an anode (8) which comprises an elongate member (17) having a fixed point relative to the sealed housing of the tube and an end that is moveable re...  
WO/2008/094539A3
This invention involves the application of dense, metallurgically bonded deposits of tungsten and tungsten rhenium coatings onto preformed based x-ray anodes to be used as focal tracks. The coatings are applied by low pressure DC plasma ...  
WO/2009/038608A3
An apparatus and method for the temperature enhancement of an X-ray source to increase gain and efficiency is disclosed. The X-ray source has a target and produces therefrom an X-ray laser emission. The apparatus includes a nozzle config...  
WO/2007/001693A3
In one example, a radiation source comprises a housing and an acceleration chamber within the housing, with a peak acceleration energy greater than the lowest neutron production threshold of tantalum. A source of charged particles is sup...  
WO/2009/060762A1
Disclosed are an electron beam irradiator, an X-ray irradiator, an electron beam source used as a beam source of an electron microscope, or the like, and a method for manufacturing such an electron beam source. A cathode (153) has a powe...  
WO/2009/057493A1
An X-ray generator comprises a container (1) for maintaining a high vacuum or low pressure gas atmosphere internally, a hemimorphic crystal (4), temperature raising/lowering means (3, 5-7), and a metal target (8) for generating X-rays. I...  
WO/2006/069009A3
X-ray targets made of a single foil alloy, eutectic alloy, compound or intermetallic compound of at least two elements to produce separate line emissions from at least two different elements in the foil, to reduce the reactivity in air o...  
WO/2009/055284A1
A method and apparatus for an x-ray apparatus. The x-ray apparatus comprises a vacuum tube. A cathode is located in the vacuum tube and capable of emitting electrons. A rotatable magnetic anode located in the vacuum tube, capable of bein...  
WO/2006/105332A3
An X-ray source (10) includes a magnetic appliance (20) to provide electron beam focusing. The magnetic appliance can provide variably focused and non-focused configurations. The magnetic appliance can include one or more electromagnets ...  
WO/2009/024669A3
The invention relates to X-ray analytical instruments (RX), more precisely a device for providing a high energy X-ray beam, typically above 4 keV, for X-ray analysis applications. The device comprises an X-ray tube with a turning anode a...  
WO/2009/043344A1
The aim of the invention is to design an X-ray rotating anode plate and devise a method for producing such an X-ray rotating anode plate which comprises a base, meets very strict requirements in terms of the temperature of the focal spot...  
WO/2005/037074A3
An apparatus for use in a radiation procedure includes a radiation filter having a first portion and a second portion, the first and the second portions forming a layer for filtering radiation impinging thereon, wherein the first portion...  
WO/2009/039545A1
The invention relates to an X-ray anode having a coating and a carrier body. In addition to a region providing strength, the carrier body comprises a region comprising a diamond-metal composite material. The diamond-metal composite mater...  
WO/2009/006592A3
An x-ray system is disclosed that includes a bipolar x-ray tube (50). The bipolar x-ray tube includes two insulators (58,60) that are separated by an intermediate electrode (56) in an embodiment, wherein each insulator forms a portion of...  
WO/2009/038871A1
An X-ray tube anode assembly, an X-ray tube assembly and a method for heat management to an X-ray assembly having a movable X-ray target having a target surface. The anode assembly includes a drive member arranged and disposed to provide...  
WO/2008/155715A3
A fast dose modulation using a z-deflection in a rotating anode or a rotating frame tube, where the electron beam is deflected from a first focal spot region to a second focal spot region being formed on the anode, wherein only the elect...  
WO/2009/032860A1
An x-ray source produces a well-defined electron beam, without an undesirable halo. The x-ray source includes a housing, a cathode disposed within the housing, an anode spaced apart from the cathode for accelerating electrons emitted fro...  
WO/2009/007902A3
Cone-beamCT scanners with large detector arrays suffer from increased scatter radiation. This radiation may cause severe image artefacts. According to an exemplary embodiment of the present invention, an examination apparatus is provided...  
WO/2008/156361A3
The invention relates to a miniature X-ray source comprising a vacuum tube containing a cathode and an anode spaced apart from each other, and guiding means for guiding electrons and/or ions to prevent the electrons and/or ions from impa...  
WO/2009/024669A2
The invention relates to X-ray analytical instruments (RX), more precisely a device for providing a high energy X-ray beam, typically above 4 keV, for X-ray analysis applications. The device comprises an X-ray tube with a turning anode a...  
WO/2009/022292A2
The present invention is related to high power X-ray sources, in particular to those ones that are equipped with rotating X-ray anodes capable of delivering a much higher short time peak power than conventional rotating X-ray anodes acco...  
WO/2009/019791A1
Provided is an X-ray tube device, in which a magnetic field generator (4) is arranged at an inclination with respect to an axis (V) perpendicular to the axis (O) of an electron beam (B) although the magnetic field generator (4) of the pr...  
WO/2009/021015A2
Systems and methods for highly collimated and temporally variable X-ray beams. Disclosed herein is a system for producing a collimated X-ray beam, the system including one or more distributed electron sources configured to produce electr...  
WO/2009/019645A2
A method and an apparatus for locally applying material to the surface of an anode of an X-ray source as well as a corresponding anode is presented. Anode material such as a repair material for filling a recess (121) in an X-ray emitting...  
WO/2009/013677A1
A thermionic electron emitter (1) is proposed comprising an inner part (2) including a heatable flat emission surface (3) and an outer part (4) including a surrounding surface (6) substantially enclosing the emission surface and a heatin...  
WO/2009/013685A1
A thermionic electron emitter (1) is proposed comprising an emitter part (2) with a substantially flat electron emission surface (3) and a bordering surface (5) adjacent thereto. In order to better absorb main stress loads (L) induced by...  
WO/2009/011422A1
An X-ray generator capable of conducting high-speed switching of X-ray beams between high energy and low energy, and an X-ray CT scanner using the generator and capable of high-speed and high-quality multi-energy imaging. The X-ray gener...  
WO/2009/007902A2
Cone-beamCT scanners with large detector arrays suffer from increased scatter radiation. This radiation may cause severe image artefacts. According to an exemplary embodiment of the present invention, an examination apparatus is provided...  
WO/2008/027158A3
An EUV light source (20) includes a laser source (22) for generating a laser beam (1 12) to irradiate a source material (302) for forming a plasma and emitting EUV light; a beam dump (100') having a receiving structure (306) formed with ...  
WO/2009/006592A2
An x-ray system is disclosed that includes a bipolar x-ray tube (50). The bipolar x-ray tube includes two insulators (58,60) that are separated by an intermediate electrode (56) in an embodiment, wherein each insulator forms a portion of...  
WO/2008/155715A2
A fast dose modulation using a z-deflection in a rotating anode or a rotating frame tube, where the electron beam is deflected from a first focal spot region to a second focal spot region being formed on the anode, wherein only the elect...  
WO/2008/155092A1
The invention relates to a miniature X-ray source device for effecting radiation therapy at least comprising a vacuum tube containing a cathode and an anode spaced apart at some distance from each other; emitting means for emitting free ...  
WO/2008/156361A2
The invention relates to a miniature X-ray source comprising a vacuum tube containing a cathode and an anode spaced apart from each other, and guiding means for guiding electrons and/or ions to prevent the electrons and/or ions from impa...  
WO/2008/157388A1
X-ray radiation is generated at a target that emits x-ray radiation in response to being struck by accelerated electrons, the electrons being emitted by a cathode that emits electrons in response to being illuminated by electromagnetic r...  
WO/2008/132635A3
A medical imaging system includes an x-ray source (112) having a focal spot that emits radiation that traverses an examination region (108). The position of the focal spot along a longitudinal direction is a function of a temperature of ...  
WO/2008/155695A1
According to an exemplary embodiment of the present invention, additional poles are added to the anode-side quadrupole of a double-quadrupole magnetic lense system. Such an octopole, hexapole or dodecapole creates a quadrupole field whic...  
WO/2008/153089A1
A mechanism to which a liquid-repellent surface structure hardly separated is applied. The tip of each of microprojections has a generally spherical surface. When a liquid metal (8) comes into contact with such a surface, the liquid meta...  
WO/2008/148426A1
The present invention relates to a high-voltage x-ray tube (R) with an inner vacuum chamber (11) in which lie, oriented opposite one another, a cathode (8) held at a negative high voltage during operating conditions and an anode (2) held...  
WO/2008/146668A1
Intended is to provide an X-ray tube, which is enabled to acquire a product reliability by improving and stabilizing a withstand voltage performance. The X-ray tube comprises a cathode (2) for emitting electrons, an anode (3) for emittin...  
WO/2008/146248A1
The invention describes an emitter device (10) and a method for precisely mounting a thin film electron emitter foil into a cathode cup. Therefore, small fixing bars (71) are realized to keep fine and hence weak emitter structures in pos...  
WO/2008/060671A3
An x-ray tube assembly includes an x-ray tube envelope, a cathode assembly and a transmission anode assembly. The transmission anode assembly includes an x-ray generation layer and an anode substrate. The x-ray generation layer may be an...  
WO/2008/054463A3
The present invention includes an apparatus and method for producing x-rays (38), and/or ion beams and for enabling the generation of fusion energy and the conversion of the energy into electrical energy including an anode (14) and a cat...  
WO/2007/147129A3
This disclosure is concerned with x-ray tube window bonding using a smooth bonding surface. In one example, an x-ray tube window assembly in the evacuated housing of an x-ray tube includes a window frame with a support flange surrounding...  

Matches 601 - 650 out of 7,934