The method is as follows: the surface of a silicon substrate adopts the three-layer metal wiring of metal 1, metal 2 and metal 3;
所述 方法是：在硅基板的表面采用金属1、金属2和金属3三层金属布线；
2
There is one hole in the surface and the two sides of the protection box used for secondary wiring.
护罩正面及两个侧面各有一个孔供引出二次接线用，安全可靠。
3
The surface of the support board is perpendicular to the ground, and the wiringsurface of the socket is in parallel with the surface of the support board.