Rx is a resistor. There are many resistors in the circuit diagram, arranged in sequence, R1, R2. . . Cx is a non-polar capacitor, the anti-interference […]

  2.2 After plugging the holes with aluminum sheets, directly screen the solder mask on the board surface In this process, a CNC drilling machine is […]

Realization of Conductive Hole Plugging Technology For surface mount boards, especially for BGA and IC mounting, the via holes must be flat, with a convex and […]

In order to meet customer requirements, the circuit board via hole must be plugged. After a lot of practice, the traditional aluminum plug hole process has […]