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Direct‐Write Printed, Solid‐Core Solenoid Inductors with Commercially Relevant Inductances

Direct‐Write Printed, Solid‐Core Solenoid Inductors with Commercially Relevant Inductances Additive manufacturing has the potential to fabricate passive components (e.g., capacitors, resistors, inductors, etc.) of a radio frequency (RF) circuit with minimized dimensions and controllable shapes in order to realize high‐density RF electronics for applications such as high resolution radars, healthcare monitors, and wearable sensors that involve high data‐rate transmissions. Here a novel procedure to direct‐write 3D, solid‐core solenoid‐inductors with polymer‐core, iron‐core, and ferrite‐core using aerosol‐jet 3D printing is reported. Solid‐core solenoid inductors that are of order 30 mm3 in size are achieved and most importantly, commercially relevant inductance values of microhenry (for polymer‐core) to tens and hundreds of millihenry (for ferrite and iron cores) are demonstrated, which has been beyond the scope of the previous attempts in fabricating additively manufactured inductors. Furthermore, the authors direct‐write printed inductors of various geometries and pinpoint the geometry‐dependent inductor performances. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Materials Technologies Wiley

Direct‐Write Printed, Solid‐Core Solenoid Inductors with Commercially Relevant Inductances

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References (31)

Publisher
Wiley
Copyright
© 2019 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
eISSN
2365-709X
DOI
10.1002/admt.201800312
Publisher site
See Article on Publisher Site

Abstract

Additive manufacturing has the potential to fabricate passive components (e.g., capacitors, resistors, inductors, etc.) of a radio frequency (RF) circuit with minimized dimensions and controllable shapes in order to realize high‐density RF electronics for applications such as high resolution radars, healthcare monitors, and wearable sensors that involve high data‐rate transmissions. Here a novel procedure to direct‐write 3D, solid‐core solenoid‐inductors with polymer‐core, iron‐core, and ferrite‐core using aerosol‐jet 3D printing is reported. Solid‐core solenoid inductors that are of order 30 mm3 in size are achieved and most importantly, commercially relevant inductance values of microhenry (for polymer‐core) to tens and hundreds of millihenry (for ferrite and iron cores) are demonstrated, which has been beyond the scope of the previous attempts in fabricating additively manufactured inductors. Furthermore, the authors direct‐write printed inductors of various geometries and pinpoint the geometry‐dependent inductor performances.

Journal

Advanced Materials TechnologiesWiley

Published: Jan 1, 2019

Keywords: ; ; ; ;

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