High permittivity ceramics improve the transmit field and receive efficiency of a commercial extremity coil at 1.5 Tesla

Zivkovic Irena; Teeuwisse Wouter; Slobozhanyuk Alexey; Nenasheva Elizaveta; Webb Andrew

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High permittivity ceramics improve the transmit field and receive efficiency of a commercial extremity coil at 1.5 Tesla

机译：高介电常数陶瓷改善了1.5特斯拉的商用肢体线圈的发射场和接收效率

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Objective: The purpose of this work is to investigate the use of ceramic materials (based on BaTiO3 with ZrO2 and CeO2-additives) with very high relative permittivity (epsilon(r) similar to 4500) to increase the local transmit field and signal-to-noise ratio (SNR) for commercial extremity coils on a clinical 1.5 T MRI system.

机译：目的：这项工作的目的是调查陶瓷材料的使用（基于BATIO3与ZrO2和CeO2-添加剂），具有非常高的相对介电常数（epsilon（R）类似于4500），以增加本地发射场和信号至临床1.5 T MRI系统上的商业肢体线圈的不良比率（SNR）。

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来源
《Journal of magnetic resonance》 |2019年第2019期|共7页
作者
Zivkovic Irena; Teeuwisse Wouter; Slobozhanyuk Alexey; Nenasheva Elizaveta; Webb Andrew;
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作者单位

Leiden Univ CJ Gorter Ctr High Field MRI Dept Radiol Med Ctr Albinusdreef 2 NL-2333 ZA Leiden Netherlands;

Leiden Univ CJ Gorter Ctr High Field MRI Dept Radiol Med Ctr Albinusdreef 2 NL-2333 ZA Leiden Netherlands;

ITMO Univ Dept Nanophoton &

Metamat St Petersburg Russia;

Ceramics Co Ltd Giricond Res Inst St Petersburg Russia;

Leiden Univ CJ Gorter Ctr High Field MRI Dept Radiol Med Ctr Albinusdreef 2 NL-2333 ZA Leiden Netherlands;

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原文格式 PDF
正文语种 eng
中图分类 O82.532;
关键词
High permittivity materials; Transmit efficiency; Receive sensitivity; Reduced SAR; 1.5 T MRI;

机译：高介电常数;发射效率;接受灵敏度;减少SAR;1.5 T MRI;

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1. High permittivity ceramics improve the transmit field and receive efficiency of a commercial extremity coil at 1.5 Tesla [J] . Zivkovic Irena, Teeuwisse Wouter, Slobozhanyuk Alexey, Journal of magnetic resonance . 2019,第期

机译：高介电常数陶瓷改善了1.5特斯拉的商用肢体线圈的发射场和接收效率
2. A geometrically adjustable 16-channel transmit/receive transmission line array for improved RF efficiency and parallel imaging performance at 7 Tesla. [J] . Adriany G, Van-de-Moortele PF, Ritter J, Magnetic resonance in medicine: official journal of the Society of Magnetic Resonance in Medicine . 2008,第3期

机译：几何可调的16通道发射/接收传输线阵列，可提高RF效率和7 Tesla的并行成像性能。
3. Passive Radiofrequency Shimming in the Thighs at 3 Tesla Using High Permittivity Materials and Body Coil Receive Uniformity Correction [J] . Brink Wyger M., Versluis Maarten J., Peeters Johannes M., Magnetic resonance in medicine: official journal of the Society of Magnetic Resonance in Medicine . 2016,第6期

机译：使用高介电常数材料和人体线圈对大腿在3特斯拉处的被动射频匀场进行均匀校正
4. Design and Characteristics of a metamaterial transmit/receive coil element for 7 Tesla MRI [C] . J. Mosig, A. Bahr, T. Bolz, World congress on medical physics and biomedical engineering;International congress of the IUPESM . 2011

机译：用于7 Tesla MRI的超材料发射/接收线圈元件的设计和特性
5. Advances in Ultra-high Field 7 Tesla (T) Human MRI: Design and Methodology of Transmit (Tx) and Receive (Rx) Radio Frequency (RF) Coils [D] . Kim, Junghwan. 2018

机译：超高场7特斯拉（T）人体MRI的进步：传输（TX）和接收（RX）射频（RF）线圈的设计和方法
6. Improvements of Transmit Efficiency and Receive Sensitivity With Ultrahigh Dielectric Constant (uHDC) Ceramics at 1.5 T and 3 T [O] . Sebastian Rupprecht, Christopher T. Sica, Wei Chen, -1

机译：1.5 T和3 T的超高介电常数（uHDC）陶瓷提高了发射效率和接收灵敏度
7. Manipulating transmit and receive sensitivities of radiofrequency surface coils using shielded and unshielded high-permittivity materials [O] . Manushka V. Vaidya, Cem M. Deniz, Christopher M. Collins, 2017

机译：使用屏蔽和非屏蔽高介质材料操纵发射和接收射频表面线圈的敏感性
8. Team One (GA/MCA) Effort of the DOE 12 Tesla Coil Development Program. 12 Tesla ETF Toroidal Field Coil Helium Bath Cooled NbTi Alloy Concept [R] . Chen, W. Y., Alcorn, J. S., Hsu, Y. H., 1980

机译：第一队（Ga / mCa）DOE 12特斯拉线圈开发计划的努力。 12特斯拉ETF环形场线圈氦气浴冷却NbTi合金概念

High permittivity ceramics improve the transmit field and receive efficiency of a commercial extremity coil at 1.5 Tesla

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