What is Circuit Board

By Bester PCBA

Last Updated: 2023-10-16

Table of Contents

What is Circuit Board

A circuit board is a flat board made of a non-conductive material, typically fiberglass, that serves as a platform for mounting and interconnecting electronic components. The circuit board consists of electrically conductive pathways called “traces” that connect the electronic components to each other. These traces are created through a process of printing or etching on the board’s surface. The design of the circuit board is typically done using computer-aided design (CAD) software, allowing engineers to determine the placement of components and traces.

The manufacturing of circuit boards involves several steps. It starts with the fabrication of the board itself, which includes processes such as cutting the base material, applying a layer of conductive material like copper to form the traces, and drilling holes for component mounting. The next step is the assembly, where the electronic components are soldered onto the board.

Circuit boards can be single-sided, double-sided, or multi-layered, depending on the complexity of the circuitry and the number of components involved. Single-sided boards have traces on only one side, while double-sided boards have traces on both sides. Multi-layered boards consist of multiple layers of conductive material separated by insulating layers, allowing for more complex circuit designs and higher component density.

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