Abstract: One or more example embodiments relates to an imaging system comprising an imaging device including, a capturing apparatus configured to capture and forward measurement data, the capturing apparatus including at least one capturing module configured to capture partial data, each partial data being part of entire measurement data, the imaging device is configured to create groups of partial data with the at least one capturing module, each of the groups comprises partial data from at least one of the at least one capturing module, and at least one output interface; and at least one addressing algorithm configured, based on information about a structure of data processing hardware with a plurality of target memory areas, to associate each of the groups with a target address relating to one of the target memory areas in the data processing hardware.

Abstract: One or more example embodiments relates to an X-ray detection system comprising a detector unit configured to generate an input signal based on detected X-ray photons and a signal processing device configured to process the input signal, wherein the signal processing device includes an input circuit configured to receive the input signal, a signal processor configured to generate an output signal from the input signal, and a processing circuitry configured to determine a statistical value of the output signal, compare the statistical value with a pregiven setpoint value, and influence the input signal such that a difference between the statistical value and the setpoint value in the output signal is reduced.

Abstract: A detector module for an X-ray detector includes: a sensor unit configured to convert incoming X-rays into electrical signals; at least one readout unit configured to read out the electrical signals from the sensor unit; a radio module with a radio circuit, which is configured to transmit the readout electrical signals by a wireless data transmission method; and an electronic unit arranged in a stacked arrangement with respect to the sensor unit having at least one electrically conductive connection for forwarding the readout electrical signals from the at least one readout unit to the radio module, wherein the radio circuit of the radio module is at least partially embedded in an embedding material of the electronic unit.

Abstract: An electronic circuit for capturing coincidence events includes a detector pixel array, the circuit including a first capturing unit which is configured to provide a first impingement event signal. For each further detector pixel of at least one further detector pixel of the detector pixel array, the electronic circuit includes a further capturing unit configured to provide a further impingement event signal. The electronic circuit includes a logic circuit which compares the first impingement event signal with the at least one further impingement event signal and provides a coincidence signal based on a result of the comparison. A coincidence counter of the electronic circuit increments a coincidence count of the coincidence counter based on the coincidence signal. For each further detector pixel of the at least one further detector pixel, the electronic circuit includes a switching unit configured to disconnect the respective further impingement event signal.

Abstract: Each pixel element of a plurality of pixel elements has a number of comparators including a first subset of comparators and a second subset of comparators. Each of the second subset of comparators has a threshold value that differs from threshold values of the first subset of comparators. Each pixel element is configured to form at least one count signal based upon the output signal from at least one of the comparators of the first subset. At least a subset of the plurality of pixel elements is configured to form one or more coincidence count signals, wherein at least one coincidence count signal is formed based upon the output signal from at least one of the second subset of comparators of the one pixel element and/or of the at least one further pixel element.

Abstract: In a first signal processing stage of a photon-counting x-ray detector, each pixel element has a comparator and a monoflop unit with a delay unit. The comparator is configured to compare an electrical signal with a signal threshold value and provide a digital pixel signal to the monoflop unit. The monoflop unit is configured to provide a pulse signal with a defined pulse length based on the digital pixel signal. In a second signal processing stage, an output of the first signal processing stage is coupled, for signaling purposes, to a delay unit, which is configured to delay the pulse signal to obtain an adjusted pulse signal. A counting element is configured to count a counting signal based on the adjusted pulse signal.

Abstract: In order to compress data from a system for CT, which has an X-ray detector containing a detector pixel array, a first training dataset is obtained, which contains a pixel value for each of a first multiplicity of detector pixels of the detector pixel array, which pixel value relates to an intensity of X-ray radiation incident on the detector pixel concerned. The first dataset is compressed by applying a first compression module to first input data, which contains the first dataset. The first compression module is comprised by a trained first machine learning model, MLM, which is trained to compress input data via the first compression module, and to reconstruct at least some of the input data based on the compressed input data via a first decompression module of the first MLM.

Abstract: A method for estimating a rate of randomly-occurring coincidences in a counting X-ray detector having a number of detector elements, the method comprising acquiring X-ray signals by the X-ray detector and converting the X-ray signals into electrical signals at the detector elements; passing on at least some of the electrical signals to signal inputs of a coincidence unit; counting coincidences of the signals passed on into the coincidence unit to determine at least one counting rate of acquired randomly-occurring coincidences; and estimating a rate of randomly-occurring coincidences based on the at least one determined counting rate.

Abstract: A detector apparatus for a computed tomography device includes: at least one detector module having a sensor configured to detect measurement signals; at least one radio unit assigned to the at least one detector module, the radio unit having at least one radio antenna for wireless data transmission of the detector signals; and a housing that at least partially encloses the at least one detector module. The housing has a recess for the at least one radio antenna, relative to which the at least one radio antenna is arranged, so that wireless data transmission of the detector signals through the housing is enabled.

Abstract: The invention relates to a method for transmitting data from a rotating portion of a medical imaging device to a stationary portion of the medical imaging device. The method includes transmitting the data via radio transmitters on the rotating portion and radio receivers on the stationary portion, wherein each of a plurality of separate transmission pairs is formed, each of the plurality of separate transmission pairs includes one of the radio transmitters and one of the radio receivers, and radio signals are transmitted from the radio transmitter to the radio receiver in the transmission pairs and a main radiation direction of the radio transmitter relating to the radio signals is tracked to the direction of the radio receiver.

Abstract: A semiconductor component includes a semiconductor substrate, a first electrical insulation layer on a front side, a second electrical insulation layer on the first electrical insulation layer, and a contact surface for the semiconductor substrate in or on the second electrical insulation layer. A method for making a recess for a through contact comprises: creating a blind hole-like recess through the semiconductor substrate to the first electrical insulation layer; removing the first electrical insulation layer within the blind hole-like recess; expanding the blind hole-like recess in a direction towards the contact surface by partially removing the second electrical insulation layer; applying a third electrical insulation layer to inner walls of the expanded recess, wherein the first electrical insulation layer is covered up to the expanded recess; and anisotropic etching the second electrical insulation layer towards the contact surface until the contact surface for the semiconductor substrate is revealed.

Abstract: One or more example embodiments of the present invention relates to a detector module for an X-ray detector comprising a sensor layer in a stacked construction configured to convert incident X-ray radiation into electrical signals; a readout layer configured to read out the electrical signals from the sensor layer; and a heating layer, the heating layer including a plurality of heating elements spatially distributed in the heating layer and configured separately from one another for heating the sensor layer, and wherein the readout layer has for each heating element an associated activatable adapting unit via which each heating element is contacted for feeding in power and which is configured to adapt the power fed to each heating element.

Abstract: An evaluation circuit for an x-ray detector for signaling coupling to a converter, designed to convert incident x-radiation into electrical signals. In at least one embodiment, the evaluation circuit includes a multiplicity of pixel-electronics modules. A respective pixel-electronics module is designed to process electrical signals fed into the respective pixel-electronics module from the converter, order to produce a respective digital pixel-measurement signal. Further, each of the respective pixel-electronics modules has at least one respective settable digital signal-processor, designed to adapt a respective processed digital pixel-measurement signal in a respective pixel-electronics module.

Abstract: A detector apparatus for a computed tomography device includes: at least one detector module having a sensor configured to detect measurement signals; at least one radio unit assigned to the at least one detector module, the radio unit having at least one radio antenna for wireless data transmission of the detector signals; and a housing that at least partially encloses the at least one detector module. The housing has a recess for the at least one radio antenna, relative to which the at least one radio antenna is arranged, so that wireless data transmission of the detector signals through the housing is enabled.

Abstract: A detector module for an X-ray detector includes: a sensor unit configured to convert incoming X-rays into electrical signals; at least one readout unit configured to read out the electrical signals from the sensor unit; a radio module with a radio circuit, which is configured to transmit the readout electrical signals by a wireless data transmission method; and an electronic unit arranged in a stacked arrangement with respect to the sensor unit having at least one electrically conductive connection for forwarding the readout electrical signals from the at least one readout unit to the radio module, wherein the radio circuit of the radio module is at least partially embedded in an embedding material of the electronic unit.

Abstract: A detector module for an X-ray detector comprises: a stacked structure having a sensor layer, a readout layer, a heating layer, and a wiring unit, wherein the wiring unit is positioned after the heating layer in the stacked structure. The heating layer is partitioned into a plurality of heating subregions, each of which includes at least one heating element, and with each of which contact can be made individually for supplying power. Through the wiring unit, contact is made to each of the plurality of heating subregions of the heating layer, and at least one subset of the plurality of heating subregions is interconnected for the supply of power.

Abstract: An X-ray detector module includes a plurality of evaluation circuits, coupled to at least one converter circuit, each evaluation circuit including a multiplicity of pixel electronics circuits for processing the electrical signals from the converter circuit pixel by pixel; and a number of forwarding circuits, a forwarding circuit including at least a first data input for receiving a measured data set from a first evaluation circuit and at least a second data input for receiving a measured data set from a second evaluation circuit, or for receiving at least one forwarded measured data set from a further forwarding circuit of the number of forwarding circuits. Each forwarding circuit is constructed to forward the measured data sets that are received by way of the first data input and second data input to a coupled receiving circuit over a common data output.

Abstract: An evaluation circuit for an x-ray detector for signaling coupling to a converter, designed to convert incident x-radiation into electrical signals. In at least one embodiment, the evaluation circuit includes a multiplicity of pixel-electronics modules. A respective pixel-electronics module is designed to process electrical signals fed into the respective pixel-electronics module from the converter, order to produce a respective digital pixel-measurement signal. Further, each of the respective pixel-electronics modules has at least one respective settable digital signal-processor, designed to adapt a respective processed digital pixel-measurement signal in a respective pixel-electronics module.

Abstract: An X-ray detector module includes a plurality of evaluation circuits, coupled to at least one converter circuit, each evaluation circuit including a multiplicity of pixel electronics circuits for processing the electrical signals from the converter circuit pixel by pixel; and a number of forwarding circuits, a forwarding circuit including at least a first data input for receiving a measured data set from a first evaluation circuit and at least a second data input for receiving a measured data set from a second evaluation circuit, or for receiving at least one forwarded measured data set from a further forwarding circuit of the number of forwarding circuits. Each forwarding circuit is constructed to forward the measured data sets that are received by way of the first data input and second data input to a coupled receiving circuit over a common data output.

Abstract: An x-ray detector includes a sensor slice for directly converting x-ray radiation and a downstream read-out chip. Further, in at least one embodiment, a first amplifier stage is interconnected between the sensor slice and read-out chip.