MULTILAYER PCB

A multilayer PCB is a type of printed circuit board made up of three or more layer of conductive copper, stacked together and separated by insulating materials. These layers are electrically connected using vias, allowing complex circuits to be built in a compact space.

🔑 Key Features

Multiple copper layers (commonly 4, 6, 8, up to 20+)

Compact and space-saving design

Supports high-speed and high-density circuits

Improved signal integrity and reduced noise

🟠 How It Works

Each layer can carry different signals (power, ground, or data). Internal layers are sandwiched between outer layers, enabling designers to route complex connections without overcrowding a single surface.

🔴 Applications

Smartphones and tablets
Computers and servers
IoT and embedded systems
Medical and aerospace electronics

⚪ Advantages

High performance for complex systems

Better electromagnetic shielding

Reduced wiring complexity

⚫ Disadvantages

Higher manufacturing cost

More complex design and fabrication

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