期刊
PROCEEDINGS OF THE 2016 IEEE REGION 10 CONFERENCE (TENCON)
卷 -, 期 -, 页码 2436-2439出版社
IEEE
关键词
TiO2; BaTiO3; permittivity; permeability; Electromgnetic Interference
Multi-stacked layers of micron-thick BaTiO3 and Fe3O4=TiO2 prepared by dip coating has served as an effective electromagnetic shield of 3G network signals from mobile device. There is significant reduction in the transmission of EM signal at 2.0 GHz for acrylic coated with 6 mu m thick of BaTiO3 by close to an order of magnitude compared to bare acrylic substrate. The use of multi-stack oxide layers with drying duration of 1 hr at 100 degrees C after each dip coated cycle reduced the extent of cracks generation and enables a uniform thick oxide layers to be coated. The oxide coated acrylic mobile holder can effectively reduce the magnetic field strength of the signal transmitting from the mobile phone and lowered the potential for interference to microwave frequency sensitive device.
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