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2022-02-26

Discussion on PCB Inner Layer Plug Hole Manufacturing Technology (2)

The main investment of roller scraping and filling is the special machine for plugging. Its construction method is different from that of screen printing plugging. Its […]

2022-02-26

Discussion on PCB Inner Layer Plug Hole Manufacturing Technology (1)

The term plug hole is not a new term in the printed circuit board industry. In the early etching process of the outer layer circuit, in […]

2022-02-25

PCB ink Selection Knowledge (3)

5. Exposure The liquid photoresist undergoes a cross-linking polymerization reaction after being irradiated with UV light (300-400 nm), and the part exposed to the light forms […]

2022-02-25

PCB ink Selection Knowledge (1)

Introduction: In the PCB manufacturing process (Technology), whether it is a single, double-sided or multi-layer board (MLB), one of the most basic and critical processes is […]