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2021-12-18
Printed circuit board, PCB for short is a substrate for assembling electronic parts. It is a printed circuit board that connects points and prints components on […]
2021-12-18
Generally, immersion gold treatment can be divided into these stages: pre-treatment (degreasing, micro-etching, activation, post-immersion), and post-treatment (washing waste gold, washing with DI water, and drying). […]
2021-12-17
The production of the circuit board factory has a basis, but this basis is the circuit board drawing plan we often say is also called a […]
2021-12-17
1. Does the thickness of the copper foil determine the service life of the lamp beads? Answer: The thickness of the copper foil will affect […]
