Analysis of the geometric parameters influence in PCB fixtures for 2D multipole magnetization patterning of thin layer micro-magnets
Authors
Martínez Muñoz, Miriam; Díez Jiménez, Efrén; Sánchez Montero, Rocío; López Espí, Pablo Luis; Martínez Rojas, Juan AntonioIdentifiers
Permanent link (URI): http://hdl.handle.net/10017/59653DOI: 10.3233/JAE-180121
ISSN: 1383-5416
Publisher
IOS Press
Date
2019-08-28Affiliation
Universidad de Alcalá. Departamento de Teoría de la Señal y Comunicaciones; Universidad de Alcalá. Departamento de EconomíaFunders
Universidad de Alcalá
Bibliographic citation
Martínez Muñoz, M., Díez Jiménez, E., Sánchez Montero, R., López Espí, P.L. & Martínez Rojas, J.A. 2019, “Analysis of the geometric parameters influence in PCB fixtures for 2D multipole magnetization patterning of thin layer micro-magnets”, International Journal of Applied Electromagnetics and Mechanics, vol. 61, no. 1, pp. 59-71.
Keywords
Magnetizing fixtures
Magnetic polarization patterning
Micro-magnets
Project
info:eu-repo/grantAgreement/UAH//CCGP2017%2FEXP-011
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/acceptedVersion
Publisher's version
https://doi.org/10.3233/JAE-180121Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© 2019 The authors
Access rights
info:eu-repo/semantics/openAccess
Abstract
Magnetic actuators, magnetic gears, vibrational energy harvesters and other micro-electromagnetic devices requires micro-magnetic rotors with alternant magnetizations to optimize their performance. Different approaches have been used for multipole magnetization of micro-magnets like fixed micro-fixtures, thermomagnetic patterning or laser machining. The main limitation of the previous techniques is that the inversion of the magnetic polarizations is only partially done. In this work, a concept based on 2D multipole magnetization printing of micro-magnets is proposed and analyzed to overcome current limitations. The fixtures are designed to be printed on a standard 35 μm PCB. The dependence of the magnetizing field with respect to the geometrical parameter of the fixture is analyzed. Maps of the required current for the magnetizing fields are also given. Some design recommendations to optimize the magnetizing field and to minimize current, thus the heat, are given.
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