A Complete Guide on What Is Single Layer PCB

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When technology was not at its best, the point-to-point technique was used to construct circuits. It was quite a tough method, plus it was time-consuming. With time and technological evolution, things have been made easier and more convenient. The introduction of circuit boards made lives easier because it was easy to construct.

Every electronic device consists of a circuit board, and that circuit board is called PCB. All electronic components connect to the board, but it also consists of a layer of conductive material on a single side.

A PCB with a conductive layer on one side and all the electronic components on the other is called a single-layer PCB. You might have understood the concept of What Is Single Layer PCB here. Some PCBs are more complex and have more layers. First, we will talk about What Is Single Layer PCB? So, you get the concept of the layer in PCB and how it works.

In further detail, we will discuss What is Single Layer PCB Is.

An Insight into Single Layer PCB:

As we have said above, many complex designs are available in the market, but this PCB is the simplest. It only has one conductive side, or you can also call it a copper layer. All the electronic components will get attached to the other side. The manufacturing and usage are extensive because it gets installed in many electronic devices.

Every line has its path in this type of PCB, and no cross is allowed. You can build a single-layer PCB from various materials like epoxy resin, fiberglass, and paper reinforced with copper foil. The selection of layers depends on the device in which the single layer will get installed.

Characteristics of single layer PCB to know about

Here is a list of features, or you can call them characteristics you need to know about.

Easy to maintain

These PCBs are the simplest circuit boards; therefore, maintenance is also quite easy. There is a standard scale in which all the single-sided PCBs are manufactured, including the parts. Tracing a fault in the PCB is easy because of its simple design if the system fails. You can replace them in a jiff. The flexibility single-sided PCB offers, it becomes easier to restore the failures within no time.

Convenient and east testing

Without testing the single-sided PCB, you won’t be able to give the green signal. Testing this type of PCB is easy and won’t take much longer. You can find the service life of a single-sided PCB with standard equipment and instruments.

High dependability

The life span of a single-sided PCB is more than two decades. Yes, it has high dependability and reliability after a series of examinations and testing.

Easy to assemble the components

Assembling a PCB is one of the tough phases if the design is complex. When it comes to single-sided PCB assembling all the electronic components on one side of the PCB is super easy. Through automation, thousands of single-sided PCBs get manufactured daily.

Elevated density

So, the last characteristic on the list of single-sided PCBs is their elevated density. Adding integration circuits enhances the density level of a simple single-sided PCB.


How to manufacture single layer PCB?

Are you looking forward to designing a single PCB on your own? Well, let’s talk about the simple steps that will help you in designing and manufacturing a single-sided PCB:

Design your PCB

What type of PCB board would you like to design? The design of a PCB consists of the number of electronic components you’d like to install on the board. Select the board first, whether you want to go for a protoboard, perf-board, or breadboard. Plus, check the schematic file for errors.

Get a print on the board

Now it is time to get the print of your design on the board. You can get the print on a thin layer of magazine paper with a white background. Now you can trace the design on the magazine paper with the help of a laser. Just be very careful while making the design on the magazine paper.

Get your PCB ready for etching

Now it is time to work on the PCB board. The next step is PCB etching. You will have to remove the dirt from the board while using water and a kitchen scrubbing pad. Clean the excessive copper from the board so you will have a neat design.

Blank PCB etching

Now you have to etch the blank PCB. Mix hydrogen peroxide and hydrochloric acid in a plastic container. Place the blank PCB in that solution for a while and then rinse it with water.

Time to drill holes

Now drill holes in the circuit using a cobalt steel drill. Just be careful and ensure that you have drilled the holes in the right places.

Types of single-layer PCB

Let’s discuss them in detail now:


You might have got an idea about the type of this PCB from its name. A flexible single-sided layer PCB comprises all the flexible materials, such as plastic components. You must be careful while making a flexible single layer to avoid breaking any component. These types of PCBs are a bit costly.


A rigid single layer is made up of rigid material to save the circuit and its material from breaking and bending. The production cost of these PCBs is very high. Rigid single-layer PCB consists of various devices like power supply devices, calculators, etc.


Most single-layer PCBs are made of copper, but aluminum also gets used sometimes. The aluminum material substrate is used to produce single layer PCB as it can send heat easily from the substrate to the back.


High-frequency PCBs that are single-layered are mostly used in circuit systems where frequency requirements are a bit higher. These boards are usually made up of plastic and fiberglass. While combining these two materials will form a single layer. The size and weight of these PCBs are low.

You can use them as per your needs as they all differ with the valuable benefits which they offer to you.

Beneficial facts of single-layer PCB

Following are the benefits to look at.

  • Low manufacturing cost

They are easy to design and manufacture because of their simplicity. It doesn’t include any complexity. Therefore, it will cost you less than other complex PCBs. It won’t require high-tech machinery for its production. It is an ideal PCB for mass production.

  • Easy to set up

We have already mentioned above that assembling a single-layer PCB is fairly easy. It only consists of one layer; therefore, all the process, for example, soldering, drilling, component inserting, and de-soldering, gets easier.

  • A beginner can design

Designing and manufacturing a single-layer PCB is easy. A beginner who is interested in the field of designing PCBs can get a start here. Designing a single-layer PCB will be easy and won’t require much effort.

  • Comes with more dependability

It has a simple design, and it is more reliable. It offers efficient performance, and it might last for about 2 decades.

  • Easy to test

If the single-sided PCB is not working because of any error, then detecting an error on a single-sided PCB is pretty easy. Because of the simple design, you can test the circuit, find the fault and replace the faulty component.

Drawbacks of single-layer PCB to know about

There is a list of benefits to a single-layer PCB. There are a few drawbacks as well. You need to know the cons of a single-layer PCB, so you will be able to understand What Is Single Layer PCB:

Limited connection points

A single-sided PCB will have limited space. You won’t be able to install electronic components on it in a larger quantity. It will have limited and small connection points. These PCBs are not ideal for circuits requiring many connection points and components.

Minimized speed

Like we have said above, a single-layer PCB will have limited connections and small spaces, which will be a great factor why the speed of these types of PCBs is low. So, it is not an ideal PCB for applications that require a great number of connections.

Application of single-layer PCB

You might want to know in which electronic devices a single layer PCB gets installed. Single layer PCBs are the simplest PCB boards. They get installed in simple appliances like solid-state drives, relays, power supplies, printing and photocopying machines, surveillance cameras, and radio and stereo equipment. Not all these electronic devices are simple, but a single-layer PCB would work perfectly for them.

Final Remarks:

Now you might have understood the concept of Single Layer PCB and how it works. Plus, how you can manufacture it on your own. The design of a single-layer PCB will be easy, and it won’t take much effort compared to complex PCBs. For a beginner, it would be best to get started with a single-layer PCB.



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