![noise - Why do some EMI/RF shields have holes on the top and some don't? - Electrical Engineering Stack Exchange noise - Why do some EMI/RF shields have holes on the top and some don't? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/DnHAr.jpg)
noise - Why do some EMI/RF shields have holes on the top and some don't? - Electrical Engineering Stack Exchange
Harwin - EMC Shielding is important to PCB design. But don't just take our word for it… Your design must consider both internal and external sources of signal noise and disruption. It
Types of Shielding in Analog Layouts to Consider for PCB Design | Advanced PCB Design Blog | Cadence
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