Patent application number | Description | Published |
20110101892 | Accelerator for Accelerating Charged Particles - An accelerator for accelerating charged particles has a plurality of delay lines ( | 05-05-2011 |
20110101893 | Accelerator for Accelerating Charged Particles and Method for Operating an Accelerator - An accelerator for accelerating charged particles has at least two delay lines having different delays, wherein the at least two delay lines have an input side into which electromagnetic waves can be conducted for producing an accelerating electric potential, wherein the input side of the delay lines is designed to reflect electromagnetic waves, and the accelerating electric potential can be produced at least partially by the waves reflected at the input side. In a method for operating an accelerator, which comprises at least two delay lines having different delays, the at least two delay lines have an input side into which electromagnetic waves can be conducted for producing an accelerating electric potential, wherein the electromagnetic waves conducted into the delay lines are reflected at the input side, and the accelerating electric potential can be produced at least partially by the waves reflected at the input side. | 05-05-2011 |
20110208034 | MEDICAL EXAMINATION AND/OR TREATMENT APPARATUS - A medical examination and/or treatment apparatus having an apparatus for position acquisition assigned to a control facility has at least one transmitter that is disposed on a movable part that can be controlled by way of the control facility and transmits a signal and at least one receiver disposed on the movable part for receiving a signal reflected by an external object, the apparatus for position acquisition being configured to determine the distance of the external object from the at least one movable part from the transmitted and received signal, wherein the signal is an FMCW signal of a predefined frequency or frequency range. | 08-25-2011 |
20110213239 | Combined Radiation Therapy and Magnetic Resonance Unit - The invention relates to a combined radiation therapy and magnetic resonance unit. For this purpose, in accordance with the invention a combined radiation therapy and magnetic resonance unit is provided comprising a magnetic resonance diagnosis part with an interior, which is limited in radial direction by a main magnet, and a radiation therapy part for the irradiation of an irradiation area within the interior, wherein at least parts of the radiation therapy part, which comprise a beam deflection arrangement, are arranged within the interior. | 09-01-2011 |
20110218459 | MEDICAL EXAMINATION AND/OR TREATMENT DEVICE - A medical examination and/or treatment device has an apparatus for detecting the movement of at least one part of the body of an examination subject that changes its space coordinates periodically or aperiodically, wherein the apparatus includes at least one transmitter ( | 09-08-2011 |
20110285283 | RADIANT TUBE AND PARTICLE ACCELERATOR HAVING A RADIANT TUBE - A radiant tube ( | 11-24-2011 |
20120027176 | Method for X-Ray Imaging Using Scattered Radiation - An object ( | 02-02-2012 |
20120068632 | Cascade Accelerator - A cascade accelerator ( | 03-22-2012 |
20120161673 | PARTICLE ACCELERATOR HAVING A SWITCH ARRANGEMENT NEAR AN ACCELERATOR CELL - A particle accelerator may include at least one accelerator cell and a power supply device. The power supply device may provide electrical energy to the accelerator cell via a feed line. With electrical energy received via the feed line, the accelerator cell may generate an electric field for accelerating an electrically charged elementary particle. The power supply device may have a DC current source and a switch arrangement. The power supply device may be designed such that electrical energy provided by the DC circuit source is capacitively buffered, and upon corresponding actuation of the switch arrangement, is provided to the acceleration cell. The switch arrangement may be disposed near the acceleration cell such that the switch arrangement is exposed to ionizing radiation generated by the particle accelerator at least during operation. The DC circuit source may be connected to the switch arrangement via a first cable. | 06-28-2012 |
20120194104 | HF RESONATOR CAVITY AND ACCELERATOR - An RF resonator cavity for accelerating charged particles comprises an RF resonator cavity in which an electromagnetic RF field acts on a particle beam which passes through the RF resonator cavity along a beam path, and at least one intermediate electrode arranged in the RF resonator cavity along the beam path of the particle beam, the intermediate electrode increasing an electrical breakdown resistance in the resonator cavity. An accelerator for accelerating charged particles, which includes such RF resonator cavity, is also provided. | 08-02-2012 |
20120229054 | RF Cavity and Accelerator having Such an RF Cavity - An RF cavity includes a chamber, a conductive wall that encloses the chamber and has an inner side and an outer side, a switch arrangement comprising a plurality of solid-state switches arranged along a circumference of the wall around the chamber, wherein the solid-state switches are connected to the conductive wall such that RF currents are induced in the conductive wall when the switch arrangement is activated, as a result of which RF power is coupled into the chamber of the RF cavity, and a shielding device located on the outer side of the conductive wall, along a circumference of the RF cavity, the shielding device configured to increase the impedance of a propagation path of RF currents along the outer side of the wall such that the RF currents coupled into the wall are suppressed on the outer side of the wall. | 09-13-2012 |
20120229215 | AMPLIFIER ASSEMBLY HAVING CONTROLLED RETURN OF POWER LOSS - An amplifier assembly includes an input signal determiner that determines a first input signal and a second input signal based on an initial signal having an amplitude and an initial frequency. Amplifiers amplify the first and second input signal to form first and second output signals having a phase offset with respect to one another. The first and second amplified output signals are fed to a common coupling element that forms a useful signal and a loss signal, such that a total power of the useful signal and loss signal is independent of the phase offset, the power of the useful signal has a maximum corresponding to a predetermined value of the phase offset, and the partial power of the useful signal decreases with a deviation of the phase offset from the predetermined value. The coupling element feeds the useful signal to a load and the loss signal to a rectifier device that feeds a rectified loss signal to a power supply device, wherein the rectifier device includes active components as rectifier elements, which are controlled synchronously with respect to the initial frequency. | 09-13-2012 |
20120235603 | ACCELERATOR AND METHOD FOR ACTUATING AN ACCELERATOR - An accelerator for accelerating charged particles includes at least two RF resonators which are arranged successively in a beam propagation direction and configured to accelerate a pulse train comprising a plurality of particle bunches, each RF resonator generating an RF field, and a control apparatus for actuating the RF resonators, wherein the control apparatus is configured to set the RF fields generated by the RF resonators independently of one another during the acceleration of the pulse train, such that the plurality of particle bunches of the pulse train experience different accelerations during the acceleration of the pulse train. Further, a method for actuating an accelerator for accelerating charged particles having at least two RF resonators arranged successively in the beam propagation direction and with which a pulse train comprising a plurality of particle bunches is accelerated, includes, during the acceleration of the pulse train, independently controlling the RF fields generated by the at least two RF resonators such that the plurality of particle bunches of the pulse train experience different accelerations during the acceleration of the pulse train. | 09-20-2012 |
20120301814 | ELECTRICALLY DRIVEN AIRCRAFT - An electrically driven aircraft may include a tank for NH3 in order to provide NH3, an energy source, which generates electric energy using and converting NH3, an electrically driven propulsion system that ensures the propulsion of the aircraft, and an energy distribution system that supplies the generated electric energy to the propulsion system. | 11-29-2012 |
20120307954 | METHOD AND DEVICE FOR PRODUCING A 99MTC REACTION PRODUCT - A method for producing a reaction product containing | 12-06-2012 |
20120313015 | IRRADIATION APPARATUS AND IRRADIATION METHOD FOR DEPOSITING A DOSE IN A TARGET VOLUME - An irradiation apparatus for depositing a dose distribution in a target volume to be irradiated may include: an accelerator device for supplying a particle beam in order to irradiate the target volume; and a scanning device for modifying a property of the particle beam such that the particle beam is successively directed to different locations in a preset scanning volume and is thus scanned over the scanning volume during operation of the irradiation apparatus. The scanning device may be configured to: scan the scanning volume along a defined scanning path set independently of the target volume; and adjust the dose distribution to be deposited in the target volume by modulating an intensity of the particle beam when the particle beam is scanned along the scanning path. The invention further relates to an irradiation method corresponding to the irradiation apparatus. | 12-13-2012 |
20120313554 | ACCELERATOR FOR CHARGED PARTICLES - An accelerator for charged particle may include: a capacitor stack which includes a first electrode that can be brought to a first potential, a second electrode that is concentric to the first electrode and can be brought to a second potential differing from the first potential, and at least one intermediate electrode that is concentrically arranged between the first electrode and the second electrode and can be brought to an intermediate potential lying between the first potential and the second potential; a switching device to which the electrodes of the capacitor stack are connected and which is designed such that the concentric electrodes of the capacitor stack can be brought to increasing potential stages during operation of the switching device; a first and a second acceleration channel formed by first and second openings in the electrodes of the capacitor stack such that charged particles can be accelerated along the first and second acceleration channel by means of the electrodes; and a device which can influence the accelerated particle beam within the capacitor stack such that photons emitted by the particle beam are produced. | 12-13-2012 |
20120313556 | DC High Voltage Source and Particle Accelerator - A DC high voltage source may include a capacitor stack having a first electrode that can be brought to a first potential, a second electrode arranged concentrically with the first electrode and which can be brought to a second potential different from the first potential, at least one intermediate electrode arranged concentrically between the first and second electrodes and which can be brought to an intermediate potential between the first and second potentials, a switching device for charging the capacitor stack, to which switching device the electrodes of the capacitor stack are connected and which is configured such that upon operation of the switching device the electrodes of the capacitor stack arranged concentrically with respect to each other can be brought to increasing potential levels, wherein the switching device comprises electron tubes, e.g., controllable electron tubes. A particle accelerator comprising such a DC high voltage source is also provided. | 12-13-2012 |
20120313596 | HIGH-FREQUENCY SUPPLY OF A LOAD WITHOUT IMPEDANCE MATCHING - An energy supplying device for a load has a direct current source, a number of switching stages, and a control device. The switching stages are connected to the direct current source, the load, and the control device such that the control device can drive the switching stages to selectively connect the load to the direct current source. Each switching stage has a field effect transistor and a number of freewheeling diodes connected in opposition to the respective field effect transistor in parallel. The field effect transistors have a maximum operational threshold frequency. Each freewheeling diode has a recovery time. For each switching stage, the recovery times of the respective freewheeling diodes correspond with the reciprocal value of the threshold frequency of the respective field effect transistor. The control device controls the switching stages at least intermittently such that power is reflected back into the switching stages on the basis of a mismatch. | 12-13-2012 |
20120313707 | PUSH-PULL AMPLIFIER HAVING INDUCTIVE COMMON MODE DECOUPLING - A push-pull amplifier is provided for amplifying an input signal, having first and second amplifier elements. Each of the amplifier elements has a current-emitting electrode, a current-collecting electrode, and a current-controlling electrode. The input signal is supplied to the current-controlling electrodes of the amplifier elements via a respective input connection and a respective input inductor arranged between the respective input connection and the respective current-controlling electrode. The current-collecting electrodes are connected via a respective supply inductor having a common supply voltage. The current-emitting electrode of each amplifier element is connected to the current-collecting electrode of the other amplifier element via a respective capacitor. The current-emitting electrodes are connected to output connections on which the output signal can be picked up, and to a reference potential via a respective output inductor. The supply inductors of the amplifier elements are inductively coupled to the input inductors and the output inductors of the respectively other amplifier element. | 12-13-2012 |
20120314840 | RADIATION THERAPY DEVICE AND METHOD FOR GENERATING A RESOLUTION ENHANCEMENT IN IRRADIATED RADIATION-EXPOSURE FIELDS - A radiation therapy device may include: a radiation source that directs a beam to a target volume from at least two opposite directions, a collimator having multiple elements for localizing the treatment beam to generate a radiation-exposure field, wherein an expansion of the collimator elements predetermines a resolution of the radiation-exposure field, and an offset unit affects the irradiation of opposing radiation-exposure fields at an offset such that the two opposing radiation-exposure fields are offset from each other by a fraction of the resolution. Furthermore, a method for generating a resolution enhancement in irradiated radiation-exposure fields may include: generating a first radiation-exposure field using a collimator which delimits a beam emitted from a first spatial direction; and generating a second radiation-exposure field using the collimator which delimits a further beam emitted from a second spatial direction, the second radiation-exposure field being offset from the first radiation-exposure field by a fraction of the resolution. | 12-13-2012 |
20120314841 | MEDICAL DEVICE OPERATING WITH X-RAYS AND METHOD FOR OPERATING SAME - The invention relates to a medical device operating with X-rays, comprising: an X-ray source, from which an X-ray beam that has an intensity maximum along a central ray can be emitted, a rotation unit, with which the X-ray source can be rotated about an isocentre, wherein the central axis of the X-ray beam is oriented eccentrically to the isocentre such that, in particular upon rotation about the isocentre, the central rays emitted from different spatial directions are tangential to an imaginary circle around the isocentre. Furthermore, the invention relates to a method for operating a medical device, comprising the following steps: providing an X-ray source, from which an X-ray beam that has an intensity maximum along a central ray is emitted, rotating the X-ray source about an isocentre. | 12-13-2012 |
20120319580 | RF RESONATOR CAVITY AND ACCELERATOR - An RF resonator cavity for accelerating charged particles is provided, wherein an electromagnetic RF field can be coupled into the RF resonator cavity. During operation, the RF field acts on a particle beam which traverses the RF resonator cavity. At least one intermediate electrode for increasing the dielectric strength is arranged in the RF resonator cavity along the beam path of the particle beam, wherein the conductivity of the intermediate electrode is limited such that upon coupling-in of the electromagnetic RF field at the operating frequency of the RF resonator cavity the intermediate electrode is at least partially penetrated by the coupled-in electromagnetic RF field. | 12-20-2012 |
20120319624 | DC High Voltage Source and Particle Accelerator - A DC high voltage source may include: (a) a capacitor stack having a first electrode which can be brought to a first potential, a second electrode concentric with the first electrode and which can be brought to a second potential different from the first potential, and a plurality of intermediate electrodes concentric with respect to each other and concentrically between the first and second electrodes and which can be brought to a sequence of increasing potential levels between the first and second potentials, and (b) a switching device to which the electrodes of the capacitor stack are connected and which is configured such that, during operation of the switching device, the electrodes of the capacitor stack can be brought to the increasing potential levels, wherein the distance of the electrodes of the capacitor stack decreases toward the central electrode. An accelerator comprising such a DC high voltage source is also provided. | 12-20-2012 |
20120321027 | METHOD AND DEVICE FOR PRODUCING TWO DIFFERENT RADIOACTIVE ISOTOPES - A method is provided for producing first and second radioactive isotopes using an accelerated particle beam that is directed to a first material and the first radioactive isotope is produced by a first nuclear reaction based on the interaction of the particle beam with the first material, said particle beam is also slowed down and subsequently directed to a second material, and the second radioactive isotope is produced by a second nuclear reaction based on the interaction of the particle beam with the second material. The effective cross-section for the induction of the first nuclear reaction at a first peak for a first particle energy is higher than an effective cross-section for the induction of the second nuclear reaction at a second peak for a second particle energy. A corresponding device includes an acceleration unit, a first exposure target having the first material and a second exposure target having the second material. | 12-20-2012 |
20120330154 | MEDICAL EXAMINATION AND/OR TREATMENT DEVICE - A medical examination and/or treatment device for performing image acquisitions and/or radiation- or instrument-based treatments in an examination or treatment region is provided, The device may include an image acquisition means and/or a treatment means and a patient table, wherein a detection means for determining the position of a patient located on the patient table is provided, the detection means including a radiation emitter which irradiates the patient in at least one region and emits terahertz radiation, at least one radiation receiver detecting reflected terahertz radiation, and a processing means processing the receiver signals supplied by the radiation receiver, wherein the processing means can generate an image showing the surface of the irradiated patient region on the basis of the receiver signals and the position of the patient region relative to the examination or treatment region can be determined on the basis of said image. | 12-27-2012 |
20130034208 | DEVICE USING X-RAYS TO HIGHLIGHT SOFT-TISSUE PARTS IN MEDICAL RADIOTHERAPY - A device and method for using X-rays to highlight soft-tissue parts in medical imaging are provided. The device may be implemented in radiotherapy equipment or used in radiotherapy. A control of the radiation dose needed for the therapy may involve phase-contrast imaging using X-rays to highlight soft-tissue parts. The result of the imaging by highlighting soft-tissue parts can be used for real-time and non-real-time planning of therapy and for adapting the treatment plan or the radiation dose. The radiation dose control may include anatomical imaging for locating tumours before, during and after irradiation and/or real-time adaptation of the treatment plan based on imaging that highlights soft-tissue parts. The positioning and arrangement of the combination of X-ray sources and detector in such a radiotherapy apparatus and of an accelerator may be independent of one another. The accelerator makes it possible to cover the entire body of the patient with X-rays. | 02-07-2013 |
20130082586 | ELECTROSTATIC PARTICLE INJECTOR FOR RF PARTICLE ACCELERATORS - A method and a device for injecting charged particles into the first cavity resonator of an RF particle accelerator are provided. A n electrode is provided at the entrance to the first cavity resonator, which electrode is connected to a DC voltage source and generates a potential well that accelerates the particles leaving an ion source towards the first cavity resonator. As a result of the ion source and the accelerator path, i.e., more particularly the cavity resonators of the accelerator path, lying at a common potential, more particularly earth potential, the electrostatic potential well does not contribute to the overall energy of the particles, the overall acceleration effect is brought about by voltage induction in the RF resonator and the DC voltage source is not loaded by the beam current, and so the latter need not be precisely regulated or powerful. | 04-04-2013 |
20130119186 | TORQUE COMPENSATION FOR A HELICOPTER - The invention relates to compensation for the torque which is produced by the main rotor ( | 05-16-2013 |
20130127376 | Accelerator for Two Particle Beams for Producing a Collision - An accelerator for accelerating two beams of charged particles and for producing a collision of the beams includes: an apparatus for producing an electrostatic potential field such that the two beams are acceleratable or deceleratable by the electrostatic field, a reaction zone for collision of the charged particles; first and second acceleration distances for the first and second beams, each acceleration distance directed towards the reaction zone, wherein the reaction zone is arranged geometrically with respect to the potential field and to the acceleration distances such that the particles of the beams are acceleratable towards the reaction zone along the first and second acceleration distances and, after interaction in the reaction zone and passage through the reaction zone, are deceleratable in the potential field, such that energy used by the potential field apparatus for accelerating the beams towards the reaction zone can be at least partially recovered by the deceleration. | 05-23-2013 |
20130127605 | WIRELESS CONTROL DEVICE - A wireless control device may include an antenna and a power harvester configured to generate power for the device from a radio frequency signal incident on the antenna. The device may further include an upconverter stage comprising a first port to receive a control signal to be upconverted and a second port to receive the incident radio frequency signal and to output the upconverted control signal at upper and lower sideband frequencies. The antenna may be coupled to the second port. | 05-23-2013 |
20130134974 | COMBINATION OF MR MEASUREMENT SIGNALS IN ORDER TO IMPROVE THE SIGNAL-TO-NOISE RATIO - In a computerized method, a magnetic resonance system, and a data storage medium encoded with programming instructions, n magnetic resonance (MR) signals are provided to a processor and, in the processor, a combination of the n associated MR signals is formed by calculating a median of the n associated MR signals, as an ideal MR signal. The ideal MR signal is then either stored or used for further processing. | 05-30-2013 |
20130141099 | VARIATION OF AN MRI SEQUENCE PARAMETER TO MINIMIZE THE VARIANCE OF A MEASURED VALUE - In a magnetic resonance system and a method and device for generating a control command sequence for operating the magnetic resonance system, a magnetic resonance data acquisition sequence is provided to a processor and is modified in the processor. The sequence operates the magnetic resonance system to acquire magnetic resonance data from a subject in multiple individual data acquisitions for subsequent automated evaluation of the individual data acquisitions with respect to an evaluation parameter. The individual evaluation results are combined into an overall evaluation result. The control command sequence is automatically modified in the processor by varying at least one sequence control parameter between different individual data acquisitions so that a variance of a measurement error in the overall evaluation result is minimized. | 06-06-2013 |
20130162252 | MR HF COILS HAVING FLEXIBILITY THAT CAN BE MODULATED - The invention relates to a local coil arrangement ( | 06-27-2013 |
20130181599 | DC Voltage-Operated Particle Accelerator - A DC voltage-operated particle accelerator for accelerating a charged particle from a source to a target includes a first electrode arrangement and a separate second electrode arrangement. The first electrode arrangement and the second electrode arrangement are disposed in such a way that the particle successively runs through the first electrode arrangement and the second electrode arrangement. Each of the electrode arrangements is designed as a high-voltage cascade. | 07-18-2013 |
20130194773 | RF Apparatus and Accelerator Having Such an RF Apparatus - An RF apparatus may include: an RF resonance device having an electrically conductive outer wall, the outer wall comprising a gap extending over its circumference, and an input coupling device having an RF generator, arranged on the outer side of the outer wall of the RF resonance device in the region of the gap, for coupling RF radiation of a particular frequency through the gap into the interior of the RF resonance device, and shielding which externally shields the generator and electrically bridges the gap on the outer side of the outer wall, wherein the shielding is formed as a resonator having a high impedance at the generator frequency | 08-01-2013 |
20130197351 | BEAM DEFLECTION ARRANGEMENT WITHIN A COMBINED RADIATION THERAPY AND MAGNETIC RESONANCE UNIT - In a radiation therapy and magnetic resonance unit, a magnetic resonance diagnosis part is provided with an interior within which a main magnet generates a main magnetic field, the interior being limited in a radio direction about an axis by the main magnet. A radiation therapy part is provided for irradiation of an irradiation area within the interior, said radiation therapy part comprising an electron beam accelerator providing an electron beam parallel to the main magnet field. At least parts of the radiation therapy part comprise the beam deflection arrangement for deflecting the electron beam toward the axis from an initial trajectory parallel to the axis. The beam deflection arrangement comprises a magnetic arrangement providing a first magnetic field in a region of the beam deflection arrangement but of opposite direction and affective to cancel the main magnet field. The second magnet field is directed perpendicular to a trajectory of the electron beam to cause the electron beam to be deflected inward towards the axis. | 08-01-2013 |
20140015385 | HF GENERATOR - An HF generator has first and second solid-state switches. Each of the solid-state switches has first and second output connectors and is designed to switch a high-frequency electrical current between the first and second output connectors. Furthermore, the HF generator has a coaxial cable with first and second conductors. The first conductor successively has a first section and a second section in the longitudinal direction of the coaxial cable which are separated from one another by a first break point. The first output connector of the first solid-state switch is conductively connected to the second conductor, and the second output connector of the first solid-state switch is conductively connected to the first section. In addition, the first output connector of the second solid-state switch is conductively connected to the first section, and the second output connector of the second solid-state switch is conductively connected to the second section. | 01-16-2014 |
20140077729 | RF GENERATOR - An RF generator has a hollow conductor having a conductive wall. The wall has a first slot, over which a first solid-state switch is arranged in order to apply a radiofrequency electrical voltage through the first slot. | 03-20-2014 |
20140346949 | HF Resonator and Particle Accelerator with HF Resonator - The invention relates to an HF resonator comprising a cylindrical cavity made of a dielectric material. An inner face of the cavity has an electrically conductive coating which is divided into a first inner coating and a second inner coating by an electrically insulating gap that encircles a lateral face of the cavity in an annular manner. An outer face of the cavity has an electrically conductive first outer coating and an electrically conductive second outer coating. The first outer coating and the second outer coating are electrically insulated from each other. The HF resonator comprises a device that is provided for applying a high-frequency electric voltage between the first outer coating and the second outer coating. | 11-27-2014 |
20150042244 | HF Resonator and Particle Accelerator with HF Resonator - An HF resonator has a cylindrical cavity made of a dielectric material. The cavity includes a first cylindrical portion, a second cylindrical portion, and a dielectric ring that connects the first portion and the second portion. The inner face of the first cylindrical portion has an electrically conductive first inner coating. An inner face of the second cylindrical portion has an electrically conductive second inner coating. An electrically conductive first enclosed coating is arranged between the first cylindrical portion and the dielectric ring. An electrically conductive second enclosed coating is arranged between the second cylindrical portion and the dielectric ring. The first enclosed coating is conductively connected to the first inner coating. The second enclosed coating is conductively connected to the second inner coating. The HF resonator includes a device that is provided for applying a high-frequency electric voltage between the first enclosed coating and the second enclosed coating. | 02-12-2015 |
20150048893 | RESONATOR ARRANGEMENT AND METHOD FOR EXCITING A RESONATOR - A method for exciting a resonator having a resonance frequency, the resonator is excited in a first period with a first frequency that differs from the resonance frequency by a first frequency difference is provided. During a second period, the resonator is excited with a second frequency that differs from the resonance frequency by a second frequency difference. The first frequency difference and the second frequency difference have different signs. Additionally, the amounts of the first frequency difference and of the second frequency difference differ from one another by less than 10% of the greater amount. | 02-19-2015 |
20150123007 | DEFLECTION PLATE AND DEFLECTION DEVICE FOR DEFLECTING CHARGED PARTICLES - A deflection plate having a non-planar shape, for deflecting charged particles is provided. An associated method is also provided. | 05-07-2015 |
20150126797 | Method and Device for Bunching a Beam of Charged Particles - A method for packetizing a beam-charged particle, in which the particles pass through an electric field in a device is provided. The device includes an annular shaped central electrode which, in the direction of the beam, is arranged between a first outer electrode and a second outer electrode. A time-dependent electric voltage signal is applied to the central electrode, the temporal course thereof being selected such that particles inside the device undergo a position-dependent speed modification. The course of the speed modification is approximately sawtooth-shaped in the direction of the beam. An associated device is also provided. | 05-07-2015 |
20150139402 | X-RAY SOURCE, METHOD FOR PRODUCING X-RAYS AND USE OF AN X-RAY SOURCE EMITTING MONOCHROMATIC X-RAYS - X-ray sources and production of X-rays, in particular, producing monochromatic x-rays is provided. More specifically, a method for producing X-rays and the use of the X-ray source for x-raying bodies (for example human bodies). An aerogel, for example in the form of a rod, may be provided in a housing as a target. Said target may be bombarded with an electron beam, the aerogel being vaporized due to the extreme low density and the high energy. As a result, the target is guided by means of a roller such that an unused target for producing, in particular, the monochromatic X-rays, is always available. | 05-21-2015 |
20150187539 | SPARK GAP - A spark gap comprising a cathode and an anode is provided. The spark gap is divided into two partial spark gaps by means of a central piece, namely a high-pressure spark gap and an effective spark gap. The effective spark gap can for example, be used to generate monochromatic x-rays. In order to guarantee a defined switching time, the high pressure spark gap which is initially switched to defined, is used. The switching initiates a potential so high on the centre piece that, when the high pressure spark gap is switched, the effective spark gap can also be switched in a defined manner without significant delays, to a visibly higher voltage. | 07-02-2015 |
20150228441 | DEVICE COMPRISING AN ANODE FOR GENERATING X-RAY RADIATION - An anode for generating X-radiation having a holder and a target layer held by the holder, the target layer comprising a middle section and an edge section, is provided. The anode is provided for being exposed to an electron beam directed at the middle section of the target layer. The edge section is arranged laterally next to the middle section in relation to the direction of the electron beam. Furthermore, the edge section is thicker than the middle section in the direction of the electron beam. | 08-13-2015 |
20150228442 | DEVICE FOR PRODUCING X-RAY RADIATION - A device for producing x-ray radiation including an anode with a target layer, a cathode for emitting an electron beam a deflection unit for deflecting the electron beam onto the target layer by means of an electric field and a focusing unit for focusing the electron beam is provided. | 08-13-2015 |
20150247907 | HYBRID EXAMINATION SYSTEM HAVING AN MR SCANNER, AN X RAY SOURCE AND AN X RAY DETECTOR - An examination system including a magnetic resonance scanner having a solenoid for generating a magnetic field, the solenoid surrounding an examination chamber is provided. In addition, a first X-ray source and a first X-ray detector are provided in the examination chamber. | 09-03-2015 |
20150249322 | SPARK GAP COMPRISING A CAPACITIVE ENERGY STORE - A spark gap including a capacitive energy store is provided. The spark gap is fed via a multiplicity of capacitors arranged in a form of a ring, wherein the capacitors are electrically connected to the anode and the cathode via ring-shaped and conical or funnel-shaped conductors. As a result, sudden changes in impedance can be avoided. At the same time, it is possible to realize as large a cross-sectional area of the conductor as possible within a very small space. Therefore, the spark gap has a switching response with a high rate of rise of the voltage pulse as soon as the spark gaps flash over. This results in an easily predictable switching response of the spark gap. The spark gap can be used, for example, to generate pulses of monochromatic X-ray radiation. | 09-03-2015 |
20150255845 | RF POWER COMBINER FUNCTIONING AS HIGHER-ORDER HARMONICS FILTER - An RF power combiner functioning as a higher-order harmonics filter comprises: at least one pair of coaxially arranged disc-shaped metal conductors, at least one of the conductors having a central axial opening to accommodate a waveguide is provided. Facing surfaces of the disk-shaped metal conductors are shaped symmetrically with respect to the plane of symmetry of the disk-shaped metal conductors to form a plurality of consecutive, radially communicating concentric cavities having isosceles trapezoids with different bases in section. The smaller base of each trapezoid disposed closer to the central axis. The number of the concentric cavities is (2 k+1), where K is the number of signal harmonics being filtered. | 09-10-2015 |
20150255848 | DEVICE FOR COUPLING RF POWER INTO A WAVEGUIDE - A device for coupling RF power into a waveguide includes a push-pull output stage that includes an input and an output, a filter arrangement that is connected to the output of the push-pull output stage, and an induction loop that is connected to the filter arrangement is provided. | 09-10-2015 |
20150270792 | HIGH VOLTAGE ELECTROSTATIC GENERATOR - A high-voltage electrostatic generator comprising an assembly of concentric electrically conductive half-shells ( | 09-24-2015 |
20150305134 | DEVICE AND METHOD FOR COLLECTING ELECTRICALLY CHARGED PARTICLES - A device for collecting electrically charged particles comprising a first shell and a second shell disposed concentrically around the first shell is provided. Each of the shells is divided respectively into a first half-shell and a second half-shell. A first switch is disposed between the first half-shell of the first shell and the second half-shell of the first shell. A second switch is disposed between the second half-shell of the first shell and the first half-shell of the second shell. The first half-shell of the second shell has a through opening. | 10-22-2015 |
20150338527 | A DETECTOR FOR RADIATION, PARTICULARLY HIGH ENERGY ELECTROMAGNETIC RADIATION - A detector for radiation, particularly high energy electromagnetic radiation is provided. The detector includes a converting section including a cathode for converting the radiation incident on the converting section in electrons by the photoelectric effect. The detector further includes a gas electron multiplier for generating an electron avalanche from electrons which are generated by the converting section and enter the gas electron multiplier, the gas electron multiplier including a first electrode, a dielectric layer and a second electrode, the first electrode being disposed at a first side of the dielectric layer adjacent to the converting section and the second electrode being disposed at a second side of the dielectric layer opposite to the first side. The gas electron multiplier includes a number of holes filled with gas, the holes extending through the first electrode, the dielectric layer and the second electrode. | 11-26-2015 |
20160064177 | X-RAY SOURCE AND IMAGING SYSTEM - An evacuable outer housing having at least one X-ray-permeable beam exit window, an electron source, an anode and a collector for catching electrons which penetrate the anode are included as an X-ray source. The collector is part of an electrical current circuit for applying a negative potential to the anode, and the radiation window is disposed such that X-ray radiation which exits from the anode at an angle of 130 degrees to 230 degrees to the electron beam direction can be coupled out through the radiation window. An imaging system includes such an X-ray, an arrangement to accommodate an object to be examined, and an X-ray detector. | 03-03-2016 |