Board card structure with differentiated design

The embodiment of the utility model discloses a board card structure with differentiated design. The board card structure comprises a board body and golden fingers, the golden finger is connected with the board body, the area, connected with the golden finger, of the board body is made of a low-dielectric-constant material, and the area, except the area connected with the golden finger, of the board body is made of a high-dielectric-constant material; the board body comprises a first structural layer and a second structural layer which are arranged in a stacked mode, the first structural layer located on the outermost side of the board body is provided with a contact area corresponding to the golden finger, and the contact area is made of the low-dielectric-constant material. According to the utility model, the condition of small impedance of the golden finger is optimized, and the performance of the product is improved. 本实用新型实施例公开了一种差异化设计的板卡结构，包括板体和金手指；所述金手指与所述板体连接，所述板体与所述金手指连接的区域采用低介电常数材料制成，所述板体与所述金手指连接之外的区