You may not know it, but your PCB designs may benefit greatly from using multi-layer prototype printed circuit boards. If so, this article will help you gain an understanding of their make up and how you can best use them in your designs.
Multi-layer PCBs are created by bonding together two or more circuit boards that are connected by conductive plates or through holes. Multi-layer layer PCB may have as many as 50 layers, with most commercial boards being four to eight layers. PCB manufacturing consists mostly of multi-layer boards. Their wide availability makes it easy for you to make multi-layer prototype printed circuit boards a part of your next PCB project.
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Benefits of Multi-Layer Prototype Printed Circuit Boards
There are a number of advantages that come with using multi-layer printed circuit boards. The greatest of them is their ability to save space. Multi-layer circuit boards save a lot of space by compressing many components into a much smaller space than single-layer boards. Their ability to compress so much functionality into smaller spaces enabled multi-layer boards to drive the micro computing rush of the last 30 years.
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Other than size benefits, multi-layer PCBs provide additional shielding for their components, both from each other and outside sources. Inefficient wire shielding becomes unecessary because each component is on the same circuit board. Additional space saving is also gained with cooling components. Again, since all components are compressed into a relatively small area, one large heat sink can be used to cool the entire board, with some boards requiring more than one to cool particularly hot components.
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PCB Manufacturing for Multi-Layer Prototype Printed Circuit Boards
Multi-layer PCBs are much more expensive than single-sided circuit boards. Multiple layers translate into higher costs for both manufacture and repair. PCB manufacturing processes have seen a recent concentration on streamlining that has brought lower price points to multi-layer boards. This means that unforgiving budget constraints common among small companies and hobbyists are no longer as big of a hurdle to using multi-layer boards. Lower prices mean that multi-layer boards are found in nearly electronic device produced today.
