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2022-03-28

Three Methods and Functions Commonly Used in PCB Plate Processing(1)

PCB plate making methods are divided into direct plate making method, direct indirect plate making method, indirect plate making method. The materials used are photosensitive paste […]

2022-03-28

Precautions for SMT Chip Processing

Precautions for SMT Chip Processing SMT chip processing is a high-precision electronic processing process. The functions of electronic products are more complete. The integrated circuits (ICs) […]

2022-03-28

Three Methods and Functions Commonly Used in PCB Plate Processing(2)

How to use the calculation sheet: ① Expose with the pre-estimated exposure time plus double the time, develop in a normal way, select the one with […]

2022-03-26

Analysis of The Causes of Blistering On The Surface of Copper Immersion Plating on PCB Boards (2)

5. Micro-etching in copper pretreatment and pattern electroplating pre-treatment. Excessive micro-etching will cause the orifice to leak the substrate and cause foaming around the orifice. […]