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Line 11: − <pre>Figure 1. PCB composition<pre>+
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Figure 1. PCB composition
* <u>Substrate (FR4)</u>: The substrate (FR4) is fiberglass which gives the board rigidity and insulates each side from the other.
* <u>Substrate (FR4)</u>: The substrate (FR4) is fiberglass which gives the board rigidity and insulates each side from the other.