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2021-08-25

PCB Circuit Board Material Selection for Different 5G Frequency Bands (Part 1)

As 5G, the Internet of Things and other applications will adopt higher frequencies, from 3GHz to 6GHz or even 2-30GHz in the past, which will bring […]
2021-08-25

Why Does the Tin Spray on the Circuit Board Cause the Surface of the Pad to Be Uneven

Cause: 1. If the circuit board is unevenly heated up and down, last in, first out, the defects of PCB board bending and warping are likely […]
2021-08-25

What is the Role of PCB Solder Mask Opening Window

What is the role of PCB solder mask opening? Before understanding what PCB solder mask opening is, let us first learn what solder mask specifically refers […]
2021-08-14

PCB Solder Mask Ink Color Difference

What is the color of PCB solder mask ink? The so-called PCB solder mask ink color actually refers to the color of the PCB board. The […]