Surface mounting structure, motor and surface mounting chip

The utility model discloses a surface mounting structure, motor and surface mounting chip to reduce printed circuit board's thickness, reduce its manufacturing cost, simplify its manufacture craft, and prolong its life. The surface mounting structure includes: printed circuit board has the hole of digging, and printed circuit board's first face is provided with the line layer, sensor chip is including the chip body who is packaged with sensor elements to and the pin of drawing forth from chip body, chip body is located and digs downtheholely, and sensor elements connects towards printed circuit board's second face, pin and gate layer. 本实用新型公开了种表面贴装结构、电机及表面贴装芯片，以减小印刷电路板的厚度，降低其生产成本，简化其制作工艺，并延长其使用寿命。表面贴装结构包括：印刷电路板，具有挖孔，印刷电路板的第面设置有线路层；传感器芯片，包括封装有传感器元件的芯片本体，以及从芯片本体引出的引脚，芯片本体位于挖孔内，传感器元件朝向印刷电路板的第二面，引脚与线路层连接。