Patent · US Active

Gradient coil assembly, gradient coil, and magnetic resonance imaging system

US10295629B2 · kind B2 · utility

0Cited by

4References

6Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Wei Peng · Nanhu, CN
Stefan Stocker · Großenseebach, DE
Chao Wang · Taipei, TW

Key dates

Filing date	Nov 24, 2014
Grant date	May 21, 2019
Priority date	—
Expiry date	Jan 27, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG01R33/3858
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present embodiments provide a gradient coil assembly. The gradient coil assembly includes an aluminum wire body, and a copper wire end connected by cold pressure welding to two ends of the aluminum wire body. Using the gradient coil according to a particular embodiment, it is possible to reduce gradient coil weight as well as reduce the thickness of an outer vacuum chamber used for a magnet, thereby reducing the cost of the magnet and gradient coil, and making it less difficult to install and maintain the magnet and gradient coil. There is no problem of oxidation associated with the cold pressure welding of the aluminum wire body to the copper wire ends, so quality defects arising from such oxidation are avoided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.