An Overview About Sided vs. Double-Sided vs. Multi-Layer PCBs

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Every electronic device consists of a PCB. Without a PCB, no electronic machine would work. Might you have heard about the word motherboard? Well, PCB is that motherboard that helps electronic devices to work properly. Now every electronic device has a different type of PCB. The three mains type of PCB are as follows:

  • Single-sided PCB
  • Double-sided PCB
  • Multi-layer PCB

Now you might be thinking about the difference between these three types. In detail, you will learn about single-sided PCB, double-sided PCB, multi-layer PCB, and What Is High TG PCB? You will learn the difference between them, plus which one is the most durable option for your electronic devices.

Things to know about Single sided PCB

One of the simplest types of PCB is the single-sided PCB that is mostly installed in radios, cellphones, and other simple electronic devices. In this PCB, you will find all the electronic components on one side of the PCB, and all the circuits will be on the other.

It consists of a single layer of conductive material. Such PCBs are suitable for low-density designs.

key features of single-sided PCB

Here are a few key features.

  • A suitable option for bulk ordering
  • Cost-effective
  • Low-density design
  • Easy to design and manufacture
  • Easy repair in case something doesn't work

What is it made up of?

Now you might be thinking of What Is High TG PCB? It is a material that gets used while manufacturing a PCB, but in this, simpler material gets used. High TG PCB is a high-density material used in complex PCB designs.

It comprises a substrate layer, conductive layer, protective solder mask, and a silkscreen. Designing and manufacturing single-sided PCBs is much easier than other types of PCBs.

PCB

Uses to know about

For simple and low-cost electrical devices, single-sided PCBs like LED light boards, calculators, FM radios, etc. They are easy to design but work perfectly for simpler devices. They won't work for complex electronic devices like scanners or other latest technological devices.

Benefits of single-sided PCB

Here are a few benefits.

  • Cost-effective PCB design

It is one of the cost-effective designs because it is simple. Due to the low-cost companies that make simple electronic devices order single-sided PCBs in bulk. So, the cost is an important factor when considering the different types of PCBs. So, if you are looking forward to choosing a cost-effective option, then you can consider this option. Don't worry, it works perfectly fine.

  • Popular and easy to design

The simple the design, the easier it is to manufacture. They are convenient to design and manufacture. Therefore, they are quite popular as they are made of much simpler electronic components.

  • Low rate of manufacturing problems

We have been mentioning that these are easy to design and manufacture; therefore, the chances of any error while you are manufacturing the product are quite low. The design is simple. Therefore, you will be able to find the fault in the PCB and fix it within no time.

Cons of single-sided PCB

Following are a few cons.

  • Less space to install electronic components
  • The simplest design that doesn't work for high-tech electronic devices
  • Limited connections affect the speed and power

An insight into Double-sided PCB

They are a little more complex model as compared to single-layer PCBs. It has one single layer of the base substrate (copper) on both sides of the PCB. After that solder mask will be applied on both sides, and then to install electric components, they will be plated through on the sides for conductivity.

Key features

Here are the key features to look at.

  • High-density design
  • Both sides can be soldered, and the layout
  • A PCB on both sides
  • Most used in high-tech devices

What is a double-sided PCB made up of?

The base material is an insulating material that is called substrate, and it is mainly fiberglass epoxy resin. It is either flexible or rigid. Most of the time, copper foil is laminated on both sides of the PCB.

Uses to know about

They are often used for industrial controls as they are designed for complex electronic devices. They get installed in regulators, power supplies, UPS systems, power conversion, instrumentation, etc.

Benefits of double-sided PCB

Here are a few benefits.

  • Flexible handling

They are flexible to handle with maximized circuit density. For complex electronic devices, companies order them in bulk. They are a little more complex than single-sided PCBs but are not hard to design or manufacture.

  • Minimized board size

You might be thinking that the board size of a double-sided PCB will be much broader than a single-sided, so you're mistaken. It consists of the latest tech features. The board's size will also reduce. It will be smaller than a single-sided one

  • Ample space for components

Using this PCB, you will have ample space to install your electronic components because they will have conductivity on both sides. You can install products on both sides. So, space won't be a problem.

  • It works for complex machines

It will work for complex electronic devices because of all the beneficial facts we have mentioned. You get extra space, and the size of the board will be slim and sleek. A high-density double-sided PCB would work perfectly for heavy industrial machinery and other complex electronic devices.

Cons of double-sided PCB

Following are a few cons.

  • Not an ideal option when it comes to conducting high current
  • The PCB might overheat
  • Complex to design and manufacture

Things to know about Multi-layer PCB

You might have been looking for the answer to What Is High TG PCB? Well, now you will get the answer here because high TG means high-temperature PCB that can handle temperatures up to 130 degrees Celsius. Multi-layer PCB is one of the most complex PCBs on the list. Multi-layer PCBs are used in the most complex electronic device designs that require the latest technology materials with maximum heat resistance.

A multi-layer PCB will minimum have three layers. The number of layers can be increased according to the type of high-tech device in which it will get installed.

Key features of multi-layer PCB

Here are the key features.

  • It will at least have three layers of conductive material
  • Increased functionality
  • High speed and high capacity in a small footprint
  • High TG material

What is a multi-layer PCB made up of?

It comprises more than three layers of the conductive layer. High TG material can be used as the base material for multi-layer PCBs. It consists of several double-sided circuit layers of boards that are laminated or glued together.

Uses of multi-layer PCB

As we have mentioned before, multi-layer PCBs are the most complex to design, but they are also the perfect choice for high-tech devices. They are used mostly in GPS technology, industrial controls, cell phone transmission, file servers, etc. In high-tech companies, mostly this PCB gets used in their electronic devices.

Benefits of multi-layer PCB

Following are a few benefits you need to look at.

  • High functionality and speed

Doubtlessly the design of a multi-layer PCB is complex, but it offers more functionality and speed. The reason these are a preference for high-tech electronic devices is that they offer high-density functionality.

  • Enough space for installing electronic components

A designed multi-layer PCB will have at least 3 layers, and all the sides will have a conductive layer. So you get ample space to install all the electronic components. The design gets a little more complex if you add more layers, but space won't be an issue.

  • High TG material works with multi-layer PCB

If you are looking for the answer to What Is High TG PCB, then high TG is a material that is flame resistant. It doesn't get affected by high temperatures easily. It works for complex PCB designs like multi-layer PCB. If you are designing a multi-layer PCB, you can use high TG material for better performance.

Cons of multi-layer PCB

Following are a few cons

  • They are more complex to design and manufacture
  • Assembling and maintenance of these PCBs is tough
  • Expensive as compared to other types of PCBs
  • It takes a lot of time and effort to design a multi-layer PCB

Which is the best option?

If you compare the three types of PCBs we have discussed above, all of them have their own specialties. If you are a beginner and want to design a PCB independently, you should start with a single-sided PCB. It is easy to design and manufacture. Only a professional will be able to design a multi-layer PCB. If you compare the functionality of all three types, then multi-layer PCB is the best option.

You have also read through the cons of all three types of PCBs, and multi-layer PCBs are the most complex type to handle. They are only used when it comes to high-tech types of machinery. Otherwise, single-layer PCBs are widely used.

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