The probe is the contact medium of electrical test.
The probes can be divided into: A, optical circuit board test probes: circuit board test before component installation, open circuit test probes and short circuit test probes. Most of the domestic probe products can replace imported products.
B. Online testing probe: detection probe after installation of components on PCB; The core technology of high-end products is still in the hands of foreign companies. Some domestic probe products have been developed successfully, which can replace imported probe products.