Embedded Files
What is a PCB?
A Printed Circuit Board (PCB) is the foundation of most electronic devices. It provides both the mechanical structure to support electronic components and the electrical pathways (called traces) to connect them together.
Key Components of a PCB
Substrate/Base Material
Typically fiberglass (FR4), giving the board rigidity and strength.
Some flexible PCBs use plastic (e.g., polyimide).
Copper Layer
Thin layer of copper foil etched to create circuits.
Single-sided (one copper layer) or multi-layered (for complex circuits).
Solder Mask
A green (or other color) coating that protects copper traces.
Prevents solder bridges and oxidation.
Silkscreen
Printed text or symbols for labeling components and identifiers.
Types of PCBs
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