You can shield the magnetic coupling with materials with high permeability. | Hacker News

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		amelius on Aug 29, 2020 \| parent \| context \| favorite \| on: A 189 Year Old Limitation on Inductor Size Has Bee... You can shield the magnetic coupling with materials with high permeability.

regularfry on Aug 30, 2020 [–]

You can, and that's more bulk, mass, and design complication.

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