PCB board classification is many, common paper based printed circuit board, epoxy glass fiber cloth printed circuit board rice composite substrate printed circuit board, special substrate printed circuit board metal substrate.
For PCBS that have been identified as keyboards in the device, these key characteristic parameters and indicators must be centralised and checked from the head in addition to regular inspection. To the toes.
PCB manufacturers and PCB designers explain three aspects of PCB procurement that need to be vigilant
The circuit board manufacturer and circuit board designer explain the circuit board inspection method