An apparatus includes: a structure having a lumen for accommodating a beam, wherein the structure is a component of a medical radiation machine having a target for interaction with the beam to generate radiation; and a first beam position monitor comprising a first electrode and a second electrode, the first electrode being mounted to a first side of the structure, the second electrode being mounted to a second side of the structure, the second side being opposite from the first side; wherein the first beam position monitor is located upstream with respect to the target.

A method in an X-ray source configured to emit, from an interaction region, X-ray radiation generated by an interaction between an electron beam and a target, the method including the steps of: providing the target; providing the electron beam; deflecting the electron beam along a first direction relative the target; detecting electrons indicative of the interaction between the electron beam and the target; determining a first extension of the electron beam on the target, along the first direction, based on the detected electrons and the deflection of the electron beam; detecting X-ray radiation generated by the interaction between the electron beam and the target; and determining a second extension of the electron beam on the target, along a second direction, based on the detected X-ray radiation.

A medical imaging device includes an inverter with semiconductor switches for generating an AC voltage to be supplied to a load, a coil inductively coupled to a fastener that is electrically conducting, and a monitoring circuit for monitoring a current in the fastener based on a signal from the coil.

An x-ray system for simultaneously or concurrently measuring currents of multiple emitters is provided. The x-ray system includes a high voltage direct current (DC) supply configured to supply tube current to the multiple emitters and plural emitter circuits. Each of these circuits includes each comprising an alternating current (AC) voltage supply, at least one of the multiple emitters operatively coupled to the AC voltage supply and the high voltage DC supply, and a circuit coupling the AC voltage supply and the high voltage DC voltage supply to the at least one of the multiple filaments. At least one of the emitter circuits has a current measurement device between the high voltage DC supply and the emitter.

A method is for controlling an X-ray tube including at least one grid electrode arranged between an anode electrode and a cathode electrode. In an embodiment, the method includes focusing, via a focusing unit, a flow of electrons from the cathode electrode to the anode electrode; applying in a first switching state, a first electrical grid potential to the at least one grid electrode via a switching unit, to pinch off the flow of electrons between the anode electrode and the cathode electrode; and applying in a second switching state, a second electrical grid potential to the at least one grid electrode to enable the flow of electrons, at least the second electrical grid potential being provided by the focusing unit.

Disclosed is a high-voltage generator for an x-ray apparatus. The generator comprises a voltage multiplier having a high-voltage output terminal and first and second alternating-current input terminals, an output transformer coil (12) having first and second output terminals respectively electrically connected to the first and second input terminals of the voltage multiplier, and an input transformer coil (11) having first and second input terminals and being arranged coaxially with and inductively coupled to the output transformer coil. The input and output transformer coils are relatively axially movable. Disclosed is also an x-ray apparatus using the high-voltage generator, a method of configuring a high-voltage generator and a method of configuring a high-voltage apparatus.

A system for quantifying x-ray backscatter system performance may include a support; a plurality of rods mounted on the support; the rods of the plurality of rods arranged parallel to each other, having generally curved outer surfaces, and being arranged in groups of varying widths, each group of the groups having at least two of the rods of a same width; and a user interface configured to be connected to receive a backscatter signal from an x-ray backscatter detector associated with an x-ray tube, apply a transfer function to generate a transfer curve representing x-ray backscatter for each rod of the plurality of rods from x-rays transmitted by the x-ray tube.

A high-voltage measurement divider for an X-ray tube is provided. The high-voltage measurement divider includes a ground connection, a high-voltage connection, a measuring tap, and divider modules of substantial identical design apart from the circuitry. Each of the divider modules has a first connection, a second connection, a resistor board, and at least one flat potential electrode. The divider modules are connected at corresponding connections in series between the ground connection and the high-voltage connection. At least one division stage is formed by each of the divider modules, and a first division stage is formed between the measuring tap and the ground connection.

A method and an apparatus for generating x-ray inspection image of an electronic circuit board are disclosed. The method includes: respectively generating, according to data files of the electronic circuit board and parameters of an X-ray machine, analog images of both faces of the electronic circuit board; subjecting the electronic circuit board to X-ray imaging to generate a real image of the electronic circuit board, the real image comprising real image elements on both faces of the electronic circuit board; identifying, according to the analog images of both faces, from the real image an interference image element that needs to be filtered from the real image for generating a real image of a detected object; and filtering the interference image element from the real image to generate the real image of the detected object.

An X-ray device includes a camera to image an object and output the image of the object, a display member using a touch screen to display the image of the object output from the camera, and an X-ray irradiation region of the object, an X-ray irradiation region controller to control a region of the object to which an X-ray is irradiated, and a control member to enable the irradiation region controller to control the region of the object to which an X-ray is irradiated according to the X-ray irradiation region, when the X-ray irradiation region is determined, based on the image of the object displayed in the display member.