用磁路计算分析屏蔽封装各向异性磁屏蔽效能的探讨

Q3 Engineering

Journal of the Magnetics Society of Japan Pub Date : 2020-01-01 DOI:10.3379/msjmag.2001r003

K. Yamada, Y. Fuji, M. Hara

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引用次数: 0

摘要

本文介绍了一种用于磁传感器或磁随机存储器(MRAM)等电子元件的毫米级小磁屏蔽。利用MEMS封装装配线制作了由两个屏蔽片组成的屏蔽封装原型。该屏蔽封装具有各向异性磁屏蔽效果(MSE)。介绍了两种磁路模型来解释各向异性均方误差产生的原因。模型表明，外加磁场会改变磁通流和磁阻，从而引起各向异性磁均质谱。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Discussion on Anisotropic Magnetic Shielding Effectiveness of Shielded Package Analyzed by Magnetic Circuit Calculation

This paper presents millimeter-scale small magnetic shields for electrical components such as magnetic sensors or magnetic random-access memories (MRAM). A prototype of a shielded package consisting of two shield pieces is fabricated by using a MEMS package assembly line. The shielded package exhibits anisotropic magnetic shielding effectiveness (MSE). Two magnetic circuit models are introduced to explain the cause of the anisotropic MSE. The models reveal that magnetic flux flow and magnetic reluctances are changed by an external magnetic field, which causes anisotropic MSE.

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来源期刊

Journal of the Magnetics Society of Japan Engineering-Electrical and Electronic Engineering

CiteScore

2.00

自引率

0.00%

发文量