Abstract: A circuit board with anti-corrosion properties, a method for manufacturing the circuit board, and an electronic device are provided. The circuit board includes a circuit substrate, a first protective layer, and a second protective layer. The circuit substrate includes a base layer and an outer wiring layer formed on the base layer. The circuit substrate further defines a via hole connected to the outer wiring layer. The first protective layer is formed on the outer wiring layer and an inner sidewall of the via hole, and is made of a white oil. The second protective layer is formed on the first protective layer.

Abstract: A circuit board with anti-corrosion properties, a method for manufacturing the circuit board, and an electronic device are provided. The circuit board includes a circuit substrate, a first protective layer, and a second protective layer. The circuit substrate includes a base layer and an outer wiring layer formed on the base layer. The circuit substrate further defines a via hole connected to the outer wiring layer. The first protective layer is formed on the outer wiring layer and an inner sidewall of the via hole, and is made of a white oil. The second protective layer is formed on the first protective layer.

Abstract: A circuit board with anti-corrosion properties, a method for manufacturing the circuit board, and an electronic device are provided. The circuit board includes a circuit substrate, a first protective layer, and a second protective layer. The circuit substrate includes a base layer and an outer wiring layer formed on the base layer. The circuit substrate further defines a via hole connected to the outer wiring layer. The first protective layer is formed on the outer wiring layer and an inner sidewall of the via hole, and is made of a white oil. The second protective layer is formed on the first protective layer.

Abstract: A near field communication and wireless charging device includes a main body, a electronic circuit, a NFC module, a wireless charging module coupled to the electronic circuit. The NFC module and the wireless charging module are arranged independently. Further included a electrical connector, a first end of the electrical connector is coupled to the electronic circuit and a second end of the electrical connector is extending to outside of the main body to attaching to the electrical device bendingly.

Abstract: A multi-function attachment includes a battery module including a frame, a circuit and an energy storage received in the frame; and a wireless charging module located at a side of the energy storage and coupled with the circuit, a space is defined in the frame to received the energy and the circuit therein, a window is defined on a side of the frame and an opening is defined on a top end of the frame, While the energy storage is received in the space of the frame, a side of the energy storage exposed toward the window and the edge of the window form a groove, and the wireless charging module is received in the groove and is coupled to the circuit.

Abstract: A wireless charging battery includes a battery module, a circuit mounted on an end of the battery module, a signal receiving unit located on a side of the battery module, and a signal controlling unit located at an opposite side of the battery module and coupled with the circuit. A plurality of ports is formed on a top side of the circuit, the signal receiving unit and the signal controlling unit are arranged independently. The signal controlling unit has a plurality of contacting points. An electric device having the wireless charging battery is also provided.