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Abstract #1465

Low-cost gradients using commercially-available printed circuit boards

Junpei Matsuzaki1, Tomoyuki Haishi2, and Yasuhiko Terada1

1Institute of Applied Physics, Tsukuba, Japan, 2MRTechnology Inc., Tsukuba, Japan

Gradient coils often need expensive, manufacturing processes such as gluing, etching, and/or milling. The purpose of this study is to propose low-cost gradients using commercially-available printed circuit boards (PCBs). For proof of concept, we fabricated four types of PCB-gradients for different MRI systems: cylindrical transverse gradients for a 1.5 T, 280 mm-bore superconducting magnet (SCM), for a 4.7 T, 89 mm-bore SCM, and for a 9.4 T, 54 mm-bore SCM, and planar gradients for a 0.2 T, 160 mm-gap permanent magnet. We verified that the PCB gradients outperform the hand-wound gradients.

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