Abstract: X-ray target element is comprised of a planar wafer. The planar wafer element includes a target layer and a substrate layer. The target layer is comprised of an element having a relatively high atomic number and the substrate layer is comprised of diamond. The substrate layer is configured to support the target layer and facilitate transfer of thermal energy away from the target layer.

Abstract: An arrayed X-ray source and an X-ray imaging apparatus are described. An example X-ray source includes a housing and X-ray generators located in the housing. The X-ray generators are arranged in an array. The X-ray generators are provided separately from each other and configured to emit X-rays independently of each other.

Abstract: An x-ray tube casing is provided which includes a housing having a heat exchanger integrally formed thereon in an additive manufacturing process. The additive manufacturing process allows for tight tolerances with regard to the structure for the casing and the internal passages of the heat exchanger to significantly reduce the size and weight of the casing. The casing additionally includes a fluid distribution manifold that effectively distributes the cooling fluid within the casing to more efficiently provide cooling to the x-ray tube insert disposed within the casing.

Abstract: The disclosed technology relates to an X-ray conversion target. In one aspect, the X-ray conversion target includes target body and a target part arranged within the target body, the target part having a first face configured to produce X-rays. The X-ray conversion target further comprises a cooling passage having a side wall, at least a part of the side wall being consisted of a portion of the target part.

Abstract: Disclosed is a radiation logging tool, comprising a tool housing; a compact generator that produces radiation; a power supply coupled to the compact generator; and control circuitry. Embodiments of the compact generator comprise a generator vacuum tube comprising a source generating charged particles, and a target onto which the charged particles are directed; and a high voltage supply comprising a high voltage multiplier ladder located laterally adjacent to the generator vacuum tube. The high voltage supply applies a high voltage between the source and the target to accelerate the charged particles to a predetermined energy level. The compact generator also includes an electrical coupling between an output of the high voltage supply and the target of the generator vacuum tube to accommodate the collocated positions of the generator vacuum tube and the high voltage power supply.

Abstract: Disclosed are an installation case for a radiation device, an oil-cooling circulation system and an X-ray generator which belong to the technical field of X-ray generator. This disclosure aims to solve the technical problems existing in the conventional X-ray generator, that is, the conventional X-ray generator provides bad sealing, the weight of the case body of the conventional X-ray generator is heavy, and the leakage dose of the X-ray in the conventional X-ray generator is large.

Abstract: In a radiation generating apparatus of the invention, a radiation tube having a cathode for emitting an electron and an anode for generating a radiation by an irradiation of the electron emitted from the cathode is enclosed in a housing container filled with an insulating liquid. The apparatus has a mechanism in which a voltage for allowing the insulating liquid to flow can be applied between the cathode and the anode in a state where the cathode does not emit any electron. Even when the generation of the radiation is stopped, the insulating liquid can be efficiently sufficiently cooled without providing mechanical stirring means, and a high reliability is obtained even for intermittent use.

Abstract: An x-ray housing can include a tubular unitary body having an external fin array adjacent to an internal fin array through a heat exchanger portion of the unitary body, the internal fin array being on a luminal surface of a housing lumen of the unitary body. The external fin array can extend from a first end of the housing to a second end of the housing. The external fin array may be at a discrete and defined location, and extend around only a portion (e.g., 25%) of a circumference or external surface of the housing. The internal fin array can extends from the first end of the housing to an arced manifold recess at the second end of the housing, and be located in a finned recess that is adjacent to and dimensioned correspondingly with the external fin array.

Abstract: A radiographic projector (10) for housing and projecting a radioisotope for use in radiography is described. The front end of the projector has a chamfered surface (12) for receiving an ancillary shielding component. The material used for the front end surface of the projector is tungsten powder in a less dense material matrix. A locking mechanism (30) for a projector is described, including a locking bar for locking a source holder in the projector. The locking mechanism includes an interlock section for retaining the locking bar in an unlocked position while a source holder is not in its storage position, and a latch section for latching the locking bar in the unlocked position prior to engagement of the interlock section. A holster for mounting a radiographic projector and a retraction cage for a remote windout mechanism are also described.

Abstract: A method and apparatus for operating an inspection system is provided. A housing with an x-ray system located inside of the housing is moved in an environment with water relative to a location on a surface of an object to be inspected. The location on the surface of the object is submerged in the water in the environment. A number of components for the x-ray system are cooled using the water around the housing.

Abstract: Systems, assemblies and methods for thermally managing a grazing incidence collector (GIC) for EUV lithography applications are disclosed. The GIC thermal management assembly includes a GIC mirror shell interfaced with a jacket to form a sealed chamber. An open cell, heat transfer (OCHT) material is disposed within the metal chamber and is thermally and mechanically bonded with the GIC mirror shell and jacket. A coolant is flowed in an azimuthally symmetric fashion through the OCHT material between input and output plenums to effectuate cooling when the GIC thermal management assembly is used in a GIC mirror system configured to receive and form collected EUV radiation from an EUV radiation source.

Abstract: Evaporate thermal management systems for and methods of grazing incidence collectors (GICs) for extreme ultraviolet (EUV) lithography include a GIC shell interfaced with a jacket to form a structure having a leading end and that defines a chamber. The chamber operably supports at least one wicking layer. A conduit connects the wicking layer to a condenser system that support cooling fluid in a reservoir. When heat is applied to the leading end, the cooling fluid is drawn into the chamber from the condenser unit via capillary action in the wicking layer and an optional gravity assist, while vapor is drawn in the opposite direction from the chamber to the condenser unit. Heat is removed from the condensed vapor at the condenser unit, thereby cooling the GIC mirror shell.

Abstract: Embodiments include an X-ray generator including a radiation device installation housing and an X-ray generator. In various embodiments, the radiation device installation housing comprises a housing body, a flange fixedly provided on an inner wall of the housing body and shaped in circular and a compensation device fixedly or movably connected with the flange in a liquid tight manner; a liquid receiving cavity for receiving an insulating liquid formed between one side of two opposite sides of the compensation device and the inner wall of the housing body as well as the flange; a compensation device moving space formed between another side of the two opposite sides of the compensation device opposed to the inner wall of the housing body and an inner wall of the flange.

Abstract: A computed tomography system has a gantry with a rotor side that can be rotated around a system axis during operation, at which at least one x-ray tube is mounted. To cool the at least one x-ray tube a liquid cooling system is equipped with a fluid volume filled with cooling liquid, the fluid volume extends over distances of different sizes from the system axis. The fluid volume is located on the rotor of the gantry and thus is exposed to centrifugal force during operation. To increase pressure in the cooling system, a flexible compensation volume and a movable mass element that rotate with the gantry are provided. The mass element is arranged such that the centrifugal force acting on the mass element during operation causes pressure to be exerted on the cooling liquid.

Abstract: A multistage sealed pump is provided for use in an X-ray tube cooling system which is substantially more efficient than pumps of known construction and which provides substantially higher pumping pressure at lower motor current than conventionally. Cooling liquid can be transferred from stage to stage by interconnecting tubing external of the housing or within the housing, through a hollow motor shaft, or through the motor casing. In another embodiment, the multiple impellers can be directly mounted on a shaft extending from a single end of the motor.

Abstract: A computed tomography system has a gantry with a rotor side that can be rotated around a system axis during operation, at which at least one x-ray tube is mounted. To cool the at least one x-ray tube a liquid cooling system is equipped with a fluid volume filled with cooling liquid, the fluid volume extends over distances of different sizes from the system axis. The fluid volume is located on the rotor of the gantry and thus is exposed to centrifugal force during operation. To increase pressure in the cooling system, a flexible compensation volume and a movable mass element that rotate with the gantry are provided. The mass element is arranged such that the centrifugal force acting on the mass element during operation causes pressure to be exerted on the cooling liquid.

Abstract: A diagnostic imaging system, which can be a mobile or stationary surgical CT imaging system or an MRI system, comprises an internal airflow cooling system that includes an air intake opening and an air outtake opening that are positioned near the ground and direct air flow away from the sterile surgical field.

Abstract: A medical imaging system including a support, an X-ray emitting tube, and, facing the latter, a detector, the X-ray emitting tube being intended to accept displacements relatively to at least one portion of the support, the system also including a remote piece of equipment providing circulation of an oil intended to provide cooling and electric insulation of the X-ray emitting tube on the one hand, pipes in which said oil circulates, connecting the remote piece of equipment and the X-ray emitting tube, and a device for dehydrating the oil on the other hand, wherein the dehydration device includes means positioned in the circuit through which the oil flows during normal use of said imaging system and which provide or maintain dehydration of said oil during this use.

Abstract: A rotating union for an X-ray target is provided. The rotating union for the X-ray target comprises a housing, a coolant-slinging device comprising a rotating shaft having an inner diameter and an outer diameter, a proximal end and a distal end, and a bore therein, one or more slingers coupled to a proximal end of the rotating shaft; a drain annulus coupled to the one or more slingers, wherein the one or more slingers are configured to direct a coolant to the drain annulus and the drain annulus is configured to direct the coolant through a primary coolant outlet; and a stationary tube having a first end and a second end, wherein at least a portion of the stationary tube is disposed within the bore of the rotating shaft.

Abstract: A housing comprising a liquid-tight electric bushing is provided. The housing comprises an opening and a printed circuit board comprising at least first and second layers. The first layer is a top side of the printed circuit board and spans the opening. A first contact element is disposed on the top side and in a blind bore through the first layer that extends to the second layer. The second layer is a conductor track in the interior of the printed circuit board.

Abstract: Provided is an X-ray irradiator which reduces the occurrence of discharge resulting from the difference in electric potential in the X-ray irradiator, and which concurrently achieves reduction in size and weight. In an X-ray irradiator (1), an X-ray tube (11) and a high-voltage generator (2) are installed inside a casing (18), and an insulation oil (13) is filled in the casing (18). The high-voltage generator (2) is configured by arranging and electrically connecting together multiple ring-shaped voltage amplifying units (21). An anode (14) and a cathode (15) of the X-ray tube (11) are fitted in and thus installed in hollow portions of the voltage amplifying units (21).

Abstract: A cooling apparatus (10) for X-ray tube inserts (14) is provided. The apparatus comprises a flow director (20) that is configured to direct at least a portion of a flow of a coolant toward a window (30) of an X-ray tube insert. The flow director may incorporate a flow sleeve (208) of a plurality of nozzles (88).

Abstract: 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 at a positive high voltage during operating conditions, wherein the anode (2) is affixed to an anode isolation element (3a) such that the anode isolation element (3a) has a cylindrical form or a form tapering toward the anode (2) and comprises an opening (5a) to receive a high-voltage plug (12) and has a conductor structure (6/7) via which a coolant can be supplied to the anode (2). This coolant can be, in particular, an insulating oil or another electrically nonconductive liquid. The conductor structure (6/7) can, for example, be integrated completely into the interior of the anode isolation element (3a) but can also be integrated into the surface of the high-voltage plug (12).

Abstract: X-ray tube cooling systems. In one example embodiment, an x-ray tube includes a housing, a window frame attached to the housing, and a window attached to the window frame. The housing defines an aperture through which electrons can pass from a cathode to an anode. The housing also defines an inlet port and an outlet port. The window frame defines an opening through which x-rays can pass. The window covers the opening defined by the window frame. The housing and the window frame are configured such that a liquid can flow from the inlet port to the outlet port through either a first liquid path at least partially defined by the housing or a second liquid path cooperatively defined by the housing and the window frame. The second liquid path is disposed about at least a portion of the opening in the window frame.

Abstract: A computed tomography system is disclosed herein. The computed tomography system includes a detector module and a rail in contact with the detector module.

Abstract: A housing (30) surrounds at least a portion of an x-ray tube (1). A cooling system (32, 32?) supplies a cooling liquid through the housing. The cooling system includes a pump (40, 40?) and a flow sensor system (60, 60?) which measures a pressure difference across the pump. A processor (80, 80?, 82, 82?) determines a cooling fluid flow rate from the pressure difference. A controller (81, 81?, 82, 82?, 107) limits operation of the x-ray tube based on the cooling fluid flow rate and a measured temperature of the cooling fluid to prevent x-ray tube overheating while minimizing cooling time between x-ray tube operations.

Abstract: An x-ray imaging system is disclosed, where one example of such a system includes a frame or other structure to which a modular cooling unit of the x-ray imaging system is attached. The modular cooling unit includes a radiator, configured for fluid communication with an x-ray tube housing, as well as one or more fans configured to cause a flow of air to pass through the radiator. In this example, the x-ray imaging system further includes a detector array arranged to receive x-rays generated by an x-ray tube insert disposed within the x-ray tube housing. In operation, the air flow caused by the fans of the modular cooling unit removes heat from coolant flowing out of the x-ray tube housing and through the radiator.

Abstract: A cooling assembly for an X-ray tube with a stationary body comprising a rotating body located at least around a part of the stationary body, and at least one coolant circuit with at least one coolant flowing through it. The coolant circuit is preferably interposed between the rotating body and the stationary body, with the coolant flowing between the rotating body and the stationary body.

Abstract: X-ray tube cooling systems. In one example embodiment, an x-ray tube includes a housing, a window frame attached to the housing, and a window attached to the window frame. The housing defines an aperture through which electrons can pass from a cathode to an anode. The housing also defines an inlet port and an outlet port. The window frame defines an opening through which x-rays can pass. The window covers the opening defined by the window frame. The housing and the window frame are configured such that a liquid can flow from the inlet port to the outlet port through either a first liquid path at least partially defined by the housing or a second liquid path cooperatively defined by the housing and the window frame. The second liquid path is disposed about at least a portion of the opening in the window frame.

Abstract: A method of inspecting articles using an imaging inspection apparatus which utilizes a plurality of individual imaging devices for directing beams onto the articles having objects therein to detect the objects based on established criteria. The method involves the enhanced cooling of the heat-generating imaging devices in which a fan directs cooling fluid onto a plurality of deflectors which in turn direct said fluid onto selected ones of said imaging devices.

Abstract: An anode assembly includes a rotatable hub having a rotation axis and having a cooling passage formed therethrough and a ferrofluid seal attached to the rotatable hub, the ferrofluid seal fluidically separating a first volume containing the target from a second volume. A target is attached to the rotatable hub, the target having a rotation axis coincident with the rotation axis of the rotatable hub and having a chamber formed therein fluidically coupled to the cooling passage, the target having a focal track material attached to an outer face of the target.

Abstract: A system for reconstructing an image of an object includes a mobile imaging system, and a user removable module configured to be attached to the mobile imaging system.

Abstract: A heat exchanger system for a single-tank x-ray generator of an x-ray diagnostic device with a rotating anode tube with a glass jacket is provided. The system provides for the thermal radiation emitted by the anode plate of the rotating anode tube, which glows during load operation, to be absorbed in very close proximity to the tube by a heat exchanger with a window for the exiting x-ray radiation beam, without causing other components inside the generator tank to be heated by the thermal radiation. The heat exchanger preferably includes the lead shield required to shield against x-ray back-radiation and has a cooling agent flowing through it. The layer of insulating oil present in the space between the rotating anode tube and the heat exchanger is exchanged by means of a pump against insulating oil from other areas of the tank so as to prevent local overheating of the insulating oil in the gap.

Abstract: A method of making an imaging inspection apparatus which involves positioning a plurality of individual imaging devices (e.g., X-ray Computer Tomography scanning devices) on a frame for directing beams onto articles having objects therein to detect the objects based on established criteria. The method also involves providing a cooling structure in such a manner that it will direct cooling fluid onto the imaging devices to cool these during apparatus operation.

Abstract: A system and method for reducing or eliminating pump cavitation in a closed system having at least one or a plurality of fluid phase changes. The system comprises a venturi having a throat which is coupled to a reservoir tank.

Abstract: A system and method for reducing or eliminating pump cavitation in a closed system having at least one or a plurality of fluid phase changes. The system comprises a venturi having a throat which is coupled to a reservoir tank.

Abstract: 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 the electrons (E) and an outcoupling means (11) for outcoupling of the X-rays. To achieve characteristic, substantially monochromatic X-rays with a high power loadability electrons are incident on a metal foil (5) of a thickness of less than 10 ?m and a base arrangement (7, 12) is arranged wherein the metal of said metal foil (5) has a high atomic number allowing the generation of X-rays (C) and the material substantially included in the base arrangement (7, 12) has a low atomic number not allowing the generation of X-rays (C).

Abstract: The invention describes an X-ray source in which a cooling plate (36) for water-cooling the anode (28) of an X-ray tube (26) is firmly mounted on a radiation protection casing (20) and the X-ray tube (26) is rotatably borne relative to the cooling plate (36) in the radiation protection casing (20). The cooling plate (36) and X-ray tube (26) have small axial play with respect to each other, which allows for rotation. Radial seals (R1, R2) ensure adequate sealing of the cooling water throughout the entire axial play. Advantageously, a sealing plate (27) for adaptation to the cooling plate (36) is attached to the X-ray tube (25). With the X-ray source in accordance with the invention, it is easy to switch between various focus types in one casing structure.

Abstract: A cooling system (12) for an x-ray tube assembly (10) includes a heat exchanger (14, 16) which receives cooling fluid from a housing (40) of the x-ray tube assembly and transfers the heat to a flow of air. A fan (90), such as an axial fan, directs the flow of air through the heat exchanger. The fan is positioned within a duct (78). A contoured air flux director (110) is positioned to intercept the flow of air from the duct and to redirect the flow of air in a direction which is generally perpendicular to an axis of rotation of the fan.

Abstract: A method of inspecting articles using an imaging inspection apparatus which utilizes a plurality of individual imaging devices for directing beams onto the articles having objects therein to detect the objects based on established criteria. The method involves the enhanced cooling of the heat-generating imaging devices in which a fan directs cooling fluid onto a plurality of deflectors which in turn direct said fluid onto selected ones of said imaging devices.

Abstract: A volume change absorber simple in construction and wide in application range, an X-ray generator having such a volume change absorber, and an X-ray imaging apparatus having such an X-ray generator, are to be provided. The volume change absorber includes a rigid pipe-like member capable of being mounted in an airtight manner through a wall of a vessel into which liquid is sealed and a flexible tube having one end portion mounted so as to cover in an airtight manner an end portion of the portion of the pipe-like member which portion lies inside the vessel and also having an opposite end portion which is sealed in a crushed state.

Abstract: A rotating envelope radiator has a radiator housing surrounded by an external housing to form an intervening space in which a coolant flows. To prevent the formation, at high rotational frequencies, of reverse flows of the coolant in the intervening space, a flow conductor structure is provided in the intervening space that counteracts the formation of tangential flow components in the coolant.

Abstract: An imaging inspection apparatus which utilizes a plurality of individual imaging devices (e.g., X-ray Computer Tomography scanning devices) positioned on a frame for directing beams onto articles having objects therein to detect the objects based on established criteria. The apparatus utilizes a cooling structure to provide cooling to the imaging devices.

Abstract: An X-ray tube housing with integrated cooling passages in the walls of the X-ray tube housing, through which a liquid or gas coolant is circulated and the heat is transferred from the X-ray tube housing to an external cooler. The integrated cooling passages are created around the perimeter of the X-ray tube housing as the X-ray tube housing is formed. For a rotating anode X-ray tube using an oil coolant, the path of heat transfer is from the anode to the glass insert and oil by the means of radiation. The oil that is in contact with the glass insert conducts heat away form the insert to the X-ray tube housing which is then cooled by the integrated cooling passages located within the X-ray tube housing through which fluid is passed to an external fluid cooling system.

Abstract: A sealing system is disclosed for preventing liquid escape from the reservoir of an apparatus, such as an x-ray tube, that utilizes a diaphragm for maintaining constant liquid pressure in the reservoir. The sealing system of embodiments of the present invention contains liquid that leaks from the reservoir as a result of rupture or other failure of the diaphragm. In one embodiment, a diaphragm cooperates with an outer housing of an x-ray tube to define a reservoir for containing a cooling liquid. The diaphragm sealing system surrounds the diaphragm and includes a semi-permeable membrane that enables air to pass through to the diaphragm to expose it to atmospheric pressure for proper operation thereof. Upon diaphragm failure, the membrane has hydrophobic and oleophobic properties to prevent cooling liquid from escaping the diaphragm sealing system, and hence, the x-ray tube, thereby preventing the cooling liquid from presenting a health or safety hazard.

Abstract: In an expansion device for an x-ray apparatus, in particular with a rotary piston x-ray tube with a sealed coolant and/or insulation volume under a minimum pressure and pressing with this minimum pressure against an elastic pressure element, an elastic pressure element with a linear force-displacement characteristic curve (in particular in the form of a gas pressure spring with a linear elastic characteristic curve) is provided to prevent an excessive pressure load given a temperature rise.

Abstract: The present invention relates to an X-ray apparatus comprising an electron radiation source which generates an electron to an anode, a shaft which rotatably supports the anode, a stator which generates a force to rotate a rotor shaft, an enclosure which maintains at least the anode, electron radiation source and rotor shaft in vacuum, and a housing which contains a cooling medium around the enclosure. The X-ray apparatus is characterized in that an electric wire material to supply power to the electron radiation source and stator, or a connector used for connection with the electric wire material is molded by a material having an electrical insulating property.

Abstract: Systems and methods for cooling electronic components that are rotatable about an axis are provided. The system includes a stationary portion, a rotatable portion, and a component cooling system. The stationary portion has a bore there through. The rotatable portion is rotatably coupled to the stationary portion. The rotatable portion includes an imaging detector and an associated electronic component. The component cooling system is positioned at least partially within the stationary portion and configured to channel a curtain of conditioned air to the electronic component.

Abstract: A fluid connection assembly is provided for use with x-ray devices. The fluid connection assembly includes an adapter block configured to be attached about an opening in a housing of an x-ray device. The adapter block defines a fluid port and a cylinder in fluid communication with each other. In addition, the fluid connection assembly includes a flow adapter received in a passageway collectively defined by the cylinder of the adapter block and the opening in the housing wall. The flow adapter defines a fluid passageway configured for communication with the fluid port and the interior of the housing of the x-ray device. A sealing element is interposed between the flow adapter and the housing wall. Finally, a resilient element disposed within the cylinder of the adapter block proximate the flow adapter biases the flow adapter into contact with a shield structure inside the housing.

Abstract: A cooling system is provided for high energy emitting devices such as employed in X-ray diffraction testing equipment. The cooling system includes a removable filter holder that carries a filter for being disposed in a cooling path formed in the X-ray head assembly with the holder including a detachable connection to the head. The removable holder allows for servicing of the filter without requiring significant disassembly operations on the X-ray head assembly. In the preferred form, the holder has a screw-type configuration and the detachable connection is a threaded connection to a cooling head portion of the X-ray head assembly.