Those metal shields on circuit boards are commonly known as "EMI shields" or "RF shields." EMI stands for Electromagnetic Interference, and RF stands for Radio Frequency. These shields are used to block electromagnetic and radio frequency interference, ensuring that sensitive components operate without interference from external electromagnetic fields and also preventing the components from emitting interference themselves. They can often be seen as small metal boxes or cages soldered to the circuit board, covering specific components or groups of components.

*Link to our Microsoldering Tools for Beginners video:    • Microsoldering Tools For Beginners  

*Link to our "I Fix Phones T-Shirt:
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*Link to Micro-soldering training:
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*Link to our IntroTouch digital business cards and products:
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*Link to our Tool Kit:
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*Link to our apparel store WearItX:
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