An MRIS gradient coil sub-assembly comprising a first coil layer comprising a first conducting coil portion, a second coil layer comprising a second conductive coil portion electrically connected with the first conductive coil portion so that the first and second conductive coil portions act together as one coil, and a B-stage material consolidation layer sandwiched between the first and second coil layers. A method including laminating a first punched sheet metal conductive saddle coil portion and a second punched sheet metal conductive saddle coil portion together by bonding the first and second punched sheet metal conductive saddle coil portions on opposing sides of a B-stage material insulation layer, and electrically connecting the first punched sheet metal conductive saddle coil portion to the second punched sheet metal conductive saddle coil portion in parallel so that the first and second conductive saddle coil portions act together as one saddle coil.

A magnetic resonance imaging apparatus includes a high-frequency coil and a coil supporting unit. The high frequency coil is disposed inside a gradient coil and that generates a high-frequency magnetic field in a static magnetic field. The coil supporting unit is formed with a substantially cylindrical shape and that supports the high-frequency coil. The coil supporting unit has a certain range including a magnetic field center and formed in parallel with an axial direction. Both ends of the coil supporting unit each have an internal circumference greater than the internal circumference of the certain range.

The disclosure discloses a magnetic induction intensity detection device and a terminal equipment. The magnetic induction intensity detection device provided by an embodiment of the disclosure includes: a power supply, an electroluminescence component and a current detection component, wherein the electroluminescence component and the current detection component are connected in series; the power supply is configured to supply a voltage to the electroluminescence component so that the electroluminescence component generates a current; the current detection component is configured to detect a current variation flowing through the electroluminescence component, and determine a current magnetic induction intensity according to the current variation and a correspondence between current variations and magnetic induction intensities.

A magnetic resonance device is disclosed including a patient receiving zone, at least one diffusion gradient coil, at least one magnet for generating a basic magnetic field, and a plurality of gradient coils for generating gradient fields overlaying the basic magnetic field. The basic magnetic field extends substantially along a first direction in the patient receiving zone and a first gradient of a first gradient field runs in the first direction and at least one further gradient of a further gradient field runs in a further direction orthogonal to the first direction. The diffusion gradient coil has at least one conductor loop running in one plane or a plurality of conductor loops each running in parallel planes.

A method of manufacturing an electromagnet coil for use in a magnetic resonance imaging (MRI) system includes: generating a coil surface representation defining a surface to contain the electromagnet coil; defining a set of performance metric functions, the set including a mutual inductance function defining mutual inductance between the electromagnet coil and a second electromagnet coil; defining a performance functional based on the coil surface representation and the set of performance metric functions; optimizing the performance functional; generating a current density pattern over the coil surface representation based on the optimized performance functional; and obtaining coil windings defining the electromagnet coil from the current density pattern.

A coil apparatus and methods for magnetic resonance imaging involving a wire winding, the wire winding having at least one of: a hollow cross-section wire and a solid cross-section wire, the solid cross-section wire having at least one of: a solid small cross-section wire and a solid large cross-section wire, the solid large cross-section wire having a thickness greater than that of the solid small cross-section wire, and the solid small cross-section wire disposed in one of adjacent and proximate at least one of the hollow cross-section wire and the solid large cross-section wire, whereby at least one of current density, winding density, and heat extraction are increasable.

The invention relates to a gradient coil unit comprising a first conductor structure arranged on a surface of a first cylinder with the first radius, a second conductor structure arranged on a surface of a second cylinder with the second radius and a third conductor structure arranged on a surface of a third cylinder with the third radius, wherein the first radius is smaller than the second radius and the second radius is smaller than the third radius.

A magnetic resonance imaging apparatus according to an embodiment includes a Radio Frequency (RF) coil configured to apply an RF magnetic field to a subject. The RF coil includes: a supporting member formed to have a circular cylindrical shape; and an electrically-conductive member which is arranged to extend along an axial direction of the supporting member and through which a radio frequency current flows when the RF magnetic field is generated. The electrically-conductive member includes: a first part provided on an outer circumferential surface of the supporting member; and a second part positioned farther away from an RF shield provided on an outer circumferential side of the RF coil than the first part is, in terms of a radial direction of the supporting member.

The embodiments disclosed herein relate generally to magnetic resonance imaging systems and, more specifically, to the manufacturing of a gradient coil assembly for magnetic resonance imaging (MRI) systems. For example, in one embodiment, a method of manufacturing a gradient coil assembly for a magnetic resonance imaging system includes depositing a first layer comprising a base material onto a surface to form a substrate and depositing a second layer onto the first layer. The second layer may enable bonding between a conductor material and the substrate. The method also includes depositing a third layer onto the second layer using a consolidation process. The consolidation process uses the conductor material to form at least a portion of a gradient coil.

The disclosure discloses a magnetic induction intensity detection device and a terminal equipment. The magnetic induction intensity detection device provided by an embodiment of the disclosure includes: a power supply, an electroluminescence component and a current detection component, wherein the electroluminescence component and the current detection component are connected in series; the power supply is configured to supply a voltage to the electroluminescence component so that the electroluminescence component generates a current; the current detection component is configured to detect a current variation flowing through the electroluminescence component, and determine a current magnetic induction intensity according to the current variation and a correspondence between current variations and magnetic induction intensities.