| 摘要 |
Provided is an electromagnetic booster for wireless charging, comprising a magnet part having a magnetic sheet (10) and a coil part (20) disposed on the magnetic sheet, wherein the magnetic sheet is composed of a first magnetic sheet (11) member located at an edge portion and a second magnetic sheet member (12) located in a center portion on the same plane, wherein the first magnetic sheet member and the second magnetic sheet member have different permeability rates from each other. |
