摘要:
The present disclosure is directed towards the prevention of high voltage instabilities within X-ray tubes. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a stationary member, and a rotary member configured to rotate with respect to the stationary member during operation of the X-ray tube. The X-ray tube also includes a liquid metal bearing material disposed in a space between the shaft and the sleeve, a seal disposed adjacent to the space to seal the liquid metal bearing material in the space, and an enhanced surface area material disposed on a side of the seal axially opposite the space and configured to trap within the enhanced surface area material liquid metal bearing material that escapes the seal.
摘要:
An x-ray tube includes a vacuum chamber, a cathode positioned within the vacuum chamber and configured to emit electrons, and an anode positioned within the vacuum chamber to receive the electrons emitted from the cathode and configured to generate a beam of x-rays from the electrons. The x-ray tube further includes a window positioned to pass the beam of x-rays therethrough, an electron collector structure having an aperture formed therein to allow passage of x-rays therethrough, and a layer attached to the electron collector structure and configured to at least partially absorb or reduce diffraction of x-rays that contact the layer.
摘要:
An x-ray tube includes a cathode positioned within a vacuum chamber and configured to emit electrons. The x-ray tube includes an anode positioned within the vacuum chamber to receive electrons emitted from the cathode and configured to generate a beam of x-rays from the electrons, a window positioned to pass the beam of x-rays therethrough, and an electron collector structure attached to the x-ray tube having an aperture formed therethrough to allow passage of x-rays therethrough. The aperture is shaped to prevent diffracted x-rays from combining with the beam of x-rays passing through the window.
摘要:
The embodiments disclosed herein relate to the thermal regulation of components within an X-ray tube, and more specifically to heat transfer between the anode and the rotary mechanism to which the anode is attached. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a fixed shaft, a rotating bearing sleeve disposed about the fixed shaft and configured to rotate with respect to the fixed shaft via a rotary bearing, an electron beam target disposed about the bearing sleeve and configured to rotate with the bearing sleeve, and a thermally conductive, deformable metallic gasket disposed between the target and the bearing sleeve and configured to conduct heat between the target and the bearing sleeve in operation.
摘要:
An x-ray tube includes a cathode positioned within a vacuum chamber and configured to emit electrons. The x-ray tube includes an anode positioned within the vacuum chamber to receive electrons emitted from the cathode and configured to generate a beam of x-rays from the electrons, a window positioned to pass the beam of x-rays therethrough, and an electron collector structure attached to the x-ray tube having an aperture formed therethrough to allow passage of x-rays therethrough. The aperture is shaped to prevent diffracted x-rays from combining with the beam of x-rays passing through the window.
摘要:
An x-ray tube includes a frame enclosing a high vacuum, a cathode positioned within the enclosure, a bearing assembly a stationary component comprised of a first base substrate, the first base substrate having a first surface, a rotatable component comprised of a second base substrate, the second base substrate having a second surface, wherein the rotatable component is positioned proximate the stationary component such that a gap is formed between the first surface and the second surface, a liquid metal positioned within the gap, and an antiwetting coating attached to at least one of the first surface and the second surface, the coating includes titanium nitride attached to the at least one of the first surface and the second surface, and an oxide of titanium attached to the titanium nitride.
摘要:
The embodiments disclosed herein relate to the thermal regulation of components within an X-ray tube, and more specifically to heat transfer between the anode and the rotary mechanism to which the anode is attached. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a fixed shaft, a rotating bearing sleeve disposed about the fixed shaft and configured to rotate with respect to the fixed shaft via a rotary bearing, an electron beam target disposed about the bearing sleeve and configured to rotate with the bearing sleeve, and a thermally conductive, deformable metallic gasket disposed between the target and the bearing sleeve and configured to conduct heat between the target and the bearing sleeve in operation.
摘要:
The embodiments disclosed herein relate to the thermal regulation of components within an X-ray tube by transferring heat between the anode and the rotary mechanism to which the anode is attached. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a fixed shaft, a rotating bearing sleeve disposed about the fixed shaft and configured to rotate with respect to the fixed shaft via a rotary bearing, and an electron beam target disposed about the bearing sleeve and configured to rotate with the bearing sleeve. The electron beam target is permanently bonded to the bearing sleeve.
摘要:
The present disclosure is directed towards the prevention of high voltage instabilities within X-ray tubes. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a stationary member, and a rotary member configured to rotate with respect to the stationary member during operation of the X-ray tube. The X-ray tube also includes a liquid metal bearing material disposed in a space between the shaft and the sleeve, a seal disposed adjacent to the space to seal the liquid metal bearing material in the space, and an enhanced surface area material disposed on a side of the seal axially opposite the space and configured to trap within the enhanced surface area material liquid metal bearing material that escapes the seal.
摘要:
An x-ray tube includes a vacuum chamber, a cathode positioned within the vacuum chamber and configured to emit electrons, and an anode positioned within the vacuum chamber to receive the electrons emitted from the cathode and configured to generate a beam of x-rays from the electrons. The x-ray tube further includes a window positioned to pass the beam of x-rays therethrough, an electron collector structure having an aperture formed therein to allow passage of x-rays therethrough, and a layer attached to the electron collector structure and configured to at least partially absorb or reduce diffraction of x-rays that contact the layer.