3.3 Grinding: Use the cutting force of sandpaper to grind the sample to the center of the hole, so as to observe the cross-section of the […]

4. Interpretation: The clear and cute picture of the slice is just a method of processing. To be able to interpret various phenomena in the image […]

How to ensure printed circuit boards are not damaged during transportation? After the circuit board is processed, a series of follow-up processing is required, such as […]

C. Treatment Process of Inner Core Board When the multi-layer board is laminated, the inner core board needs to be treated. The treatment process of the […]