Magnetically Controlled Flexible Brain-computer Interface

11. Use polydimethylsiloxane to cast a polymer fiber mold or a wire mold to obtain a tubular mold;

12. Passing the electrode wire through the tubular mold, and injecting a mixed solution of epoxy resin and magnetic particles into the tubular mold, and after the mixed solution is solidified, an electrode inner core with an electrode magnetic head is obtained;

13. Coating the poly-L-lactic acid with the electrode inner core with the electrode magnetic head to obtain a magnetron flexible electrode;

14. The magnetron flexible electrode and the reference electrode are respectively connected to the printed circuit board, and the magnetron flexible electrode is dip-coated with a polyvinylpyrrolidone solution, and the polyvinylpyrrolidone solution is dried to obtain a magnetron flexible brain-computer interface.

15. Optionally, the electrode wire is passed through the tubular mold, and a mixed liquid of epoxy resin and magnetic particles is injected into the tubular mold, and after the mixed liquid is solidified, an electrode with an electrode magnetic head is obtained. inner core, including:

16. Pass the electrode wire through the tubular mold to obtain a first mold;

17. injecting the mixed liquid with epoxy resin and magnetic particles into the first mold to obtain a second mold;

18. Magnetize the second mold in an axially parallel magnetic field, and obtain an electrode inner core with an electrode magnetic head after the mixed solution is solidified.

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