New Measurement Method of Broadband Permittivity and Permeability of Non-Solid Materials in Small Quantity

被引：0

作者：

Miura, Kenji ^{[1
]}

Odagiri, Yudai ^{[1
]}

Kubo, Seiya ^{[1
]}

Umesaka, Tsukasa ^{[1
]}

Suzue, Daiki ^{[1
]}

Osada, Hiroshi ^{[1
]}

机构：

[1] Iwate Univ, Fac Sci & Engn, Morioka, Iwate 0208551, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2018年 / 54卷 / 11期

关键词：

Coaxial tube method; permeability; permittivity;

D O I：

10.1109/TMAG.2018.2847457

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose a new measurement method for the simultaneous evaluation of permittivity and permeability of small amount of materials in powder, liquid, or gel form. A plastic toroidal case was used to encapsulate non-solid material under test (MUT), and the whole case was subjected to coaxial line analysis. The volume of MUT required for the case was established as approximately 70 mu L, and we removed the plastic parts using high-frequency circuit theory. As a result, constant and nearly ideal relative permittivity and permeability of air were confirmed. Measuring permeability at microwave band of magnetic powder above 45 vol% became possible using the proposed method.

引用

页数：4

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