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What is a PCB?

A Printed Circuit Board (PCB) is the backbone of electronic devices. It provides a physical base and electrical pathways for components to connect and communicate. Made of insulating material with conductive copper traces, PCBs replace traditional wiring, making circuits compact and efficient.

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Types of PCB

Single-Layer PCB

  • Has only one conductive layer.

  • Simple and cost-effective.

  • Used in calculators, toys, and power supplies.

Double-Layer PCB

  • Conductive layers on both sides.

  • Allows more complex circuits.

  • Found in LED lighting, amplifiers, and industrial controls.

Multilayer PCB

  • Three or more conductive layers stacked together.

  • High performance and compact.

  • Used in smartphones, computers, and aerospace electronics.

Rigid PCB

  • Made of solid, inflexible material.

  • Durable and long-lasting.

  • Common in motherboards and medical devices.

Flexible PCB

  • Can bend and twist without breaking.

  • Lightweight and space-saving.

  • Used in wearables, foldable phones, and medical implants.

Rigid-Flex PCB

 

  • Combines rigid and flexible sections.

  • Reduces weight and increases reliability.

  • Used in military, aerospace, and medical devices.

10 thoughts on “What is a PCB?”
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