Citation:Kulkarni, S., Li, D., Jordan, D., Wang, N. and O’Mathuna, C. (2018) 'PCB Embedded bondwire inductors with discrete thin film magnetic core for Power Supply in package', IEEE Journal of Emerging and Selected Topics in Power Electronics, 6(2), pp. 614-620. doi: 10.1109/JESTPE.2018.2799238
This paper details the design, assembly, and detailed characterization of Printed Circuit Board (PCB) embedded thin magnetic film inductor for Power Supply in Package applications. Solenoidal inductors were assembled on copper tracks printed on PCB with wire bonds to complete the copper loop. Further, the solenoid inductors have laminated amorphous soft magnetic thin films embedded between the two conductor layers. The devices have chemically thinned Vitrovac films laminated as core material. Three different designs of solenoid inductors with different number of turns, are assembled and characterized. The assembled PCB inductor measured a highest Quality factor of 8.5 for a 3 turn device at 10 MHz.
Anthony, Ricky; Hegarty, Margaret; O'Brien, Joe; Rohan, James F.; Ó Mathúna, S. Cian(Institute of Electrical and Electronics Engineers (IEEE), 2016-12)
Soft magnetic materials are used in integrated power magnetic devices (such as micro-inductors and microtransformers) to achieve reasonable inductances at frequencies over a few megahertz. However, the out-of-plane ...
Maity, Tuhin; Roy, Saibal(Institute of Electrical and Electronics Engineers (IEEE), 2017-03-21)
We demonstrate how a unique nanomodulation within a continuous ferromagnetic film can induce magnetic dipoles at predefined, submicrometer scale locations, which can tune the global magnetic properties of the film due to ...
Roy, Saibal; Mallick, Dhiman; Kankana, Paul(Institute of Electrical and Electronics Engineers (IEEE), 2019-02-20)
This paper discusses the current state-of-the-art, ongoing fundamental and technical challenges and potential roadmaps for micro-scale vibration energy harvesting and power conversion devices employing micro-/nano-magnetics. ...
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