Abstract: Some embodiments include a system, comprising: an enclosure configured to enclose a vacuum; a cathode disposed within the enclosure; an anode disposed within the enclosure configured to receive a beam of electrons from the cathode; a motor disposed within the enclosure and configured to rotate the anode in response to a drive input; and a circuit electrically connected to the drive input, and configured to generate a phase signal based on a voltage of the drive input and a current of the drive input, the phase signal indicating a phase difference between the voltage of the drive input and the current of the drive input.

Abstract: Some embodiments include a radiographic inspection system, comprising: a detector; a support configured to attach the detector to a structure such that the detector is movable around the structure; a radioisotope collimator; and a collimator support arm coupling the detector to the radioisotope collimator such that the radioisotope collimator moves with the detector.

Abstract: Some embodiments include an x-ray system, comprising: a support structure including a mounting surface; a target attached to the support structure on the mounting surface; wherein the target has a grain structure having a first dimension along an axis perpendicular to the mounting surface is longer than a longest dimension along any axis parallel to the mounting surface.

Abstract: Some embodiments include an x-ray system, comprising: a support structure including a mounting surface; a target attached to the support structure on the mounting surface; wherein the target has a grain structure having a first dimension along an axis perpendicular to the mounting surface is longer than a longest dimension along any axis parallel to the mounting surface.

Abstract: Some embodiments include a radiographic imaging system, comprising: a radiographic imager, including: an imaging array; imager control logic configured to control the imaging array; a power system configured to supply power to at least the imaging array and the imager control logic; a wireless power receiver configured to receive energy wirelessly and provide at least part of that energy to the power system; and a wireless communication transmitter; and a charging mat, including: a wired power input; a wireless power transmitter configured to transmit energy wirelessly; and a wireless communication receiver; wherein the wireless power receiver, the wireless power transmitter, the wireless communication receiver, and the wireless communication transmitter are positioned such that the radiographic imager can be placed on the charging mat where, simultaneously, the wireless power receiver is aligned with the wireless power transmitter and the wireless communication receiver is aligned with the wireless communica

Abstract: Some embodiments include a system, comprising: an electron source configured to generate an electron beam along an axis; and a transmission target configured to receive the electron beam, the transmission target, comprising a target material having a surface disposed to receive the electron beam; wherein a majority of the surface is disposed at an angle relative to the axis different from 89 to 91 degrees.

Abstract: An imaging apparatus includes a first X-ray detector that includes: a low energy scintillator operable to convert an incident X-ray spectrum into a first set of light photons; a first light imaging sensor operable to generate a set of low energy image signals from the first set of light photons, wherein a first exit radiation is a remainder portion of the first incident radiation after the X-ray spectrum passes through the low energy scintillator and the first light imaging sensor; an energy-separation filter operable to absorb or reflect at least a portion of the energy of the first exit X-ray spectrum and convert the first exit X-ray spectrum into a second exit X-ray spectrum; a second X-ray detector that includes: a high energy scintillator operable to convert the second exit X-ray spectrum into a second set of light photons; a second light imaging sensor operable to generate a set of high energy image signals from the second set of light photons; and a processor configured to: generate a high-energy image

Abstract: Some embodiments include a method, comprising: attaching a carrier substrate to a side of at least one semiconductor substrate, the at least one semiconductor substrate including photodetectors on the side; thinning the at least one semiconductor substrate while the at least one semiconductor substrate is attached to the carrier substrate; attaching an optical substrate to the at least one semiconductor substrate while the at least one semiconductor substrate is attached to the carrier substrate; and removing the carrier substrate from the at least one semiconductor substrate.

Abstract: Some embodiments include an x-ray system, comprising: a structure having a hole having an axially extending wall; and a nozzle disposed in the hole; wherein the nozzle and the axially extending wall form a plurality of axially extending helical fluid channels. Some embodiments include an x-ray system formed by shaping tubing to form a plurality of axially extending helical flutes; and forming a plurality of axially extending helical fluid channels by inserting the shaped tubing into a hole in a structure.

Abstract: An emitter for a closed x-ray tube includes an emitter body formed of a low work function emitter material, the emitter body having a major surface and a secondary surface. The major surface is adapted for emission of electrons from the low work function material. The emitter assembly is adapted to reduce an emission current density emitted from the secondary surface of the emitter body, as compared to the major surface.

Abstract: Some embodiments include a system, comprising: first circuit including a transistor having an optically sensitive threshold voltage; a light source configured to illuminate the transistor; and a control circuit configured to activate the light source based on the threshold voltage. In some embodiments, a threshold voltage of the transistor may be stabilized.

Abstract: An example imaging device for generating an image is disclosed. The device may include an imaging detector array configured to collect charges during a radiation exposure at the imaging detector array. The device may include a signal generator coupled with the imaging detector array. The signal generator may be configured to generate a detection signal based on the charges collected by the imaging detector array. The device may include an accelerometer configured to generate an acceleration signal indicative of external forces applied to the imaging device. The device may further include a signal processor coupled with the signal generator and the accelerometer. In response to a determination that the acceleration signal is below a predetermined disturbance threshold and the detection signal exceeds a predetermined threshold, the signal processor may be configured to generate the image based on the detection signal.

Abstract: Technology is described for a magnetic lift device for an x-ray tube. In one example, an anode assembly includes an anode, a bearing assembly, a ferromagnetic shaft, and a lift electromagnet. The anode is configured to receive electrons emitted by a cathode. The bearing assembly is configured to stabilize the anode during a rotation of the anode. The ferromagnetic shaft is coupled to the anode and has an axis of rotation that is substantially collinear with an axis of rotation of the anode. The lift electromagnet is configured to apply a magnetic force to the ferromagnetic shaft in a radial direction.

Abstract: Technology is described for steep angle of a focal track of an anode of an x-ray tube. In one example, an anode includes a disc-shaped anode and a focal track. The disc-shaped anode includes a bearing-facing surface, a window-facing surface positioned opposite the bearing-facing surface, and a focal track positioned between the window-facing surface and the bearing-facing surface, wherein the focal track is angled with respect to the window-facing surface, and the angle between the focal track and the window-facing surface is between 45° and 89°.

Abstract: An X-ray imaging detector comprises at least one wireless transceiver configured to download study data from at least one external server, a digital image sensor configured to generate a plurality of signals in response to x-rays incident on the imaging detector, and at least one processor communicatively coupled to the imaging detector and the radio. The at least one processor is configured to receive the plurality of signals and generate a digital representation of an x-ray image based on the plurality of signals and associate the digital representation to the study data.

Abstract: A method of communicating between imaging components of an X-ray imaging system may include determining, by an initiator imaging component, whether a target imaging component is a primary manufacturer imaging component (PMIC). Responsive to the target imaging component not being the PMIC, the method may include generating a communication message including a communication packet according to a packet protocol. Responsive to the target imaging component not being the PMIC, the method may also include sending the communication message to the target imaging component as a secondary manufacturer imaging component. Responsive to the target imaging component being the PMIC, the method may include generating a message including a header packet and one or more data packets according to a message protocol. Responsive to the target imaging component being the PMIC, the method may also include sending the message to the target imaging component as the primary manufacturer imaging component.

Abstract: Some embodiments include a system comprising: a particle power source configured to generate a particle power signal; a radio frequency (RF) power source configured to generate an RF power signal; a particle source configured to generate a particle beam in response to the particle power signal; a RF source configured to generate an RF signal in response to the RF power signal; and an accelerator structure configured to accelerate the particle beam in response to the RF signal; wherein a timing of the RF power signal is different from a timing of the particle power signal.

Abstract: An X-ray sensing apparatus includes a first photodiode array for imaging a first area, a second photodiode array for imaging a second area that overlaps a portion of the first area, and a light-blocking layer coupled to the first photodiode array that prevents at least a portion of visible light emitted by a scintillator layer of the X-ray sensing apparatus from reaching the second photodiode array. The light-blocking layer includes a first feature that is imagable by the second photodiode array and indicates a position along a first direction and a second feature that is imagable by the second photodiode array and indicates a position along a second direction that is different than the first direction.

Abstract: In one example, a lift assembly may exert a force on a rotatable anode of an X-ray source. The lift assembly may include a lift shaft and a lift electromagnet. The lift shaft may be coupled to an anode and configured to rotate around an axis of rotation of the anode. The lift electromagnet may be configured to apply a magnetic force to the lift shaft in a radial direction. The lift electromagnet may include a coupling portion extending between an interior of a vacuum envelope and an exterior of the vacuum envelope and a winding portion coupled to the coupling portion. Windings may at least partially surround the winding portion.

Abstract: The present invention is in the field of an improved scintillator for X-rays, use of the inventive scintillator, an X-ray detector comprising the present scintillator, and a method of producing an improved scintillator. A scintillator converts X-rays into visible light; high performance scintillators are typically made of a crystalline material.