Thermal spiral inductor using 3D printed shape memory kirigamiopen access
- Authors
- Kim, Y.; Phon, R.; Jeong, H.; Kim, Y.; Lim, Sungjoon
- Issue Date
- Dec-2022
- Publisher
- Nature Research
- Citation
- Scientific Reports, v.12, no.1
- Journal Title
- Scientific Reports
- Volume
- 12
- Number
- 1
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/60050
- DOI
- 10.1038/s41598-022-26923-3
- ISSN
- 2045-2322
- Abstract
- Spiral inductors are required to realise high inductance in radio frequency (RF) circuits. Although their fabrication by using micro-electrical–mechanical systems, thin films, actuators, etc., has received considerable research attention, current approaches are both complex and expensive. In this study, we designed and fabricated a thermal spiral inductor by using a three-dimensional (3D) printed shape-memory polymer (SMP). The proposed inductor was inspired by kirigami geometry whereby a two-dimensional (2D) planar geometric shape could be transformed into a 3D spiral one to change the inductance by heating and manually transform. Mechanical and electromagnetic analyses of the spiral inductor design was conducted. Hence, in contrast with the current processes used to manufacture spiral inductors, ours can be realised via a single facile fabrication step. © 2022, The Author(s).
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