We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Development of a Highly Densified Magnetic Sheet for Inductors and Advanced Processes through Silane Surface Treatment of Fe Nanopowder.
- Authors
Lee, Taegyu; Jung, Hyeonjin; Song, Yeonghwan; Cho, Seungchan; Kim, Dong-Hyun; Kim, Yangdo; Lee, Yoon-Seok; Park, Yongho; Choi, Moonhee
- Abstract
For developing subminiature and highly integrated multilayer inductors, soft magnetic powder was used; however, its ferrite magnetic component is characterized by high resistivity and reduced direct current saturation, leading to the deterioration of the inductor under high currents. Therefore, herein, to improve the electromagnetic properties of thin-film inductors, Fe nanopowder was used to increase the volume fraction of magnetic sheets. Surface treatment was performed by using silane coupling agents, which improved the bonding strength and dispersibility of the Fe nanopowder with a heterogeneous epoxy binder. For uniform surface treatment on the nanopowder, the silane-treated powder was aged for 24 h, at a temperature of 3 °C. The surface-treated Fe nanopowder was used with a mixing ratio of the soft magnetic powder (coarse:fine:nano) of 7:2.5:0.5 wt.%; this was successful in producing a flexible and highly densified magnetic sheet. As a result, the volume fraction of the magnetic sheet for thin-film inductors to which a low-temperature aging-treated nanopowder was applied was significantly improved.
- Subjects
SURFACE preparation; SILANE; MAGNETIC particles; SILANE coupling agents; MAGNETIC materials; BOND strengths
- Publication
Applied Sciences (2076-3417), 2020, Vol 10, Issue 14, p4770
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app10144770