COMPOSITE FERRITE SHEET, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME
A composite ferrite sheet may include a ferrite sheet, and composite sheets attached to both surfaces of the ferrite sheet, respectively, and having insulating properties. The composite sheet may be formed of a resin containing metal powder particles. The composite ferrite sheet may be easily manufactured and have improved shielding performance.
1 . A method of manufacturing a composite ferrite sheet, comprising:
preparing a ferrite sheet; and
forming composite sheets having insulating properties on both surfaces of the ferrite sheet.
2 . The method of manufacturing the composite ferrite sheet of claim 1 , wherein the forming of the composite sheets includes:
applying slurry for the composite sheets to the ferrite sheet; and
rolling the ferrite sheet and the slurry.
3 . The method of manufacturing the composite ferrite sheet of claim 2 , wherein in the rolling of and the ferrite sheet and the slurry, one or more rollers roll the slurry and the ferrite sheet.
4 . The method of manufacturing the composite ferrite sheet of claim 2 , wherein the slurry for the composite sheets is formed of a resin containing metal powder particles.
5 . The method of manufacturing the composite ferrite sheet of claim 1 , wherein the forming of the composite sheets includes:
stacking the composite sheets on the ferrite sheet, respectively; and
integrating the composite sheets with the ferrite sheet by compressing the composite sheets.
6 . The method of manufacturing the composite ferrite sheet of claim 5 , wherein the integrating of the composite sheets with the ferrite sheet includes applying heat to the composite sheets to thermally compress the composite sheets.
7 . The method of manufacturing the composite ferrite sheet of claim 5 , wherein the integrating of the composite sheets with the ferrite sheet includes interposing an adhesive sheet between the composite sheets and the ferrite sheet.
8 . The method of manufacturing the composite ferrite sheet of claim 1 , wherein the forming of the composite sheets includes applying a solution for the composite sheets to the ferrite sheet using a spraying scheme.
9 . The method of manufacturing the composite ferrite sheet of claim 1 , further comprising cutting the ferrite sheet having the composite sheets formed on both surfaces thereof.
10 . A method of manufacturing a composite ferrite sheet, comprising:
supplying a ferrite sheet to rollers;
supplying slurry for a composite sheet to the ferrite sheet; and
applying the slurry to the ferrite sheet and compressing the slurry using the rollers.