The development of the modern circuit board really began in the early 20^th century. It was German inventor Albert Hanson who first discovered how to laminate flat foil conductors on an insulated board. Since, circuit boards have become crucial to the operation of electronic devices in the home and workplace. These important components would not be possible without advanced manufacturing techniques.

Mapping Boards

The first step in the creation of a circuit board is to map the wafer and plot out where the circuitry will actually go. There is a process called photolithography that is used to add a kind of roadmap to the board. Next, a sputter deposition system is used to lay the conductive materials onto the board itself.

Conductive Materials

The primary material used in the creation of a circuit board is copper-based. Copper is highly conductive of electricity, and fulfills the requirements a circuit board needs. Copper thickness is usually specified in micrometers, and a square foot usually requires about an ounce of melted down copper. Using a PECVD system, manufacturers can apply three or more layers of copper to the board, creating a heavy copper layer.

Final Thoughts

Circuit boards need to be able to draw in power and then disperse that power to the proper units. The creation of these boards is highly regulated, with safety standards designed to limit flammability and document maximum temperature threshold. These boards are live electrical parts, so they must be able to operate safely without sparking or shorting out.

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