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What are the advantages of single layer PCB?

Simple and easy to design and install

Lower cost, especially for high volume orders

  • Easy drilling, soldering, de-soldering and components inserting process
  • Lower probability of manufacturing issues,such as short circuiting and producing noise
  • Components are installed at only one side, require lower jumper to compensate the circuit
  • Popular, common, and easily understood by most PCB manufacturers
  • Less time for fault tracing and repairing

What are the disadvantages of single layer PCB?

Despite their cost advantages and other perks, single-layer boards are not the right choice for every project due to the limitations they have, which include:

Simplistic Design: The simplicity of single-layer boards’ is one of their biggest benefits, but it’s also a substantial limitation.

Slower Speed and Lower Operating Capacity: The limited number of connections on these boards also affects their power and speed.

Larger Size and Higher Weight: To add capabilities to a single-sided board, you need to expand its dimensions rather than add another layer, as you could with you a multi-layer PCB.

What is the construction of single layer PCB?

The base material, which is also known as substrate, is made up of insulating fiber glass that has compact look and PCB strength. What’s more, the type and nature of base material depends on whether the board is flexible PCB or rigid PCB. There is a copper layer which has conducting path for various components on the board above substrate. Needless to say, different boards have different copper thickness according to your needs and demands, defining in ounces per square foot.

One hand, there is a solder mask layer on the top of copper foil. The layer is mainly in protecting the copper foil from insulating which avoids the conduction in case direct contact happens with some conducting material. One the other hand, there is a silkscreen layer on the top of all layers, which is mainly in adding characters and symbols on the board, so it’s easy to have a better understanding of the board. 

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