High-Quality Single-Sided PCBs with Competitive Pricing

  • CEM1, CEM3, FR4, Aluminum base, Copper base, Alumina, Polyimide, PTFE
  • Material Thickness:0.5-10.0mm
  • Copper Thickness(oz):1/3oz to 20oz
  • ISO9001: 2015 Certified & UL Listed
  • IPC 600 Class 2 & Class 3
  • 100% E-test & AOI Inspection

Introduction of Single sided PCB

At present, the printed circuit board is very significant to our life and appears in almost every aspect of our life. The printed circuit board first appeared in 1936. It was made by Mr. Eisler from Austria, and the finished product was a radio.

So far, electronic products have got rid of complicated wiring, because when there was no printed circuit board, the components were connected by complex wiring. For products with high difficulty and complexity, the disorder of wiring is a huge problem, which has been solved since the emergence of the printed circuit board.

There are many kinds of printed circuit boards. Single sided PCB should be the most simple printed circuit board, but it is widely used in consumer electronics, which has enormous demands.

Today we will introduce one of them, single-sided printed circuit board, which is most simple type of PCB boards. Please contact our sales team any time to get a free single sided PCB price.

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    History of Single Sided PCB

    The original country of origin of the single sided PCB came from the United States, probably in the 1950s, which was also the period of the most vigorous development of the single sided PCB.

    Although the country of origin was the United States, Japan had a historic innovation in production. Japan developed a paper phenolic copper foil substrate based on the initial copper foil etching and maintained sustainable development. Finally, various resin materials with stronger insulation and heat resistance, and less deformation were further developed, such as glass fiber epoxy resin, and so on.

    Advantages and Disadvantages of Single Sided PCBs

    • Speaking of the advantages and disadvantages of a single-sided PCB, we must make some simple comparisons with the relative multi-layer printed circuit board.
    • First of all, a single sided PCB is like literal meaning, with circuits&silkscreen&solder mask on one side and components on the other. There is no interlayer connection on one side, including electroplating and other procedures, so it is mainly made in the circuit.
    • The multi-layer printed board is an even number of layers, and the commonly used electronic equipment is between 4 and 16 layers.
    • Therefore, single sided PCB is mainly used in some simple electronic products, especially consumer electronic products, because the manufacturing speed of single sided PCB is fast and the cost is relatively low, while the multi-layer panel is more difficult, which is more suitable for some more complex and difficult electronic products.

    Viasion's Experience in Copying Single Sided PCB

    Viasion's Single Sided PCB Design Experience

    • As mentioned before, the advantages of a single sided PCB mainly lie in its low cost and fast delivery speed. The main products which use single-sided PCB are some small household appliances and consumer electronics, such as computers, remote controls, radios, etc.
    • First, about the design structure of the single sided PCB, as mentioned before, the single sided PCB can only be used for one circuit, one solder mask, and at most two silkscreens. There is no copper-sinking process, and the holes are copper free.
    • In addition, because there is only one line, it can only be welded through the bonding pad on the line surface. Therefore, there are two ways to weld a single sided PCB. One is the same side welding, and the other is the different side welding.
    • The difference between them lies in the different types used. The same surface is suitable for SMT welding, the same surface of components and circuits, and the different surface is opposite to the same surface. It is suitable for plug-in welding, and components and circuits are on different surfaces. About design, take an example through double-sided boards. The design is usually designed layer by layer and finally forms the final finished PCB.
    • It should be noted that the effect of the bottom text design is opposite to that of the actual product because it is a transparent and perspective principle. The same is true for the circuit layer. Therefore, attention should also be paid to this aspect in the design of single sided PCB, which needs to be observed through perspective to ensure line consistency. Viasion technology is trustworthy single sided PCB manufacturer in China.

    Single Sided PCB Design Steps

    • First of all, we need to make some necessary preparations in advance before we start making, to ensure that the follow-up process is smooth and the final product is free of problems. The first and most important point is that we should first prepare a complete schematic diagram. If there is a problem with the schematic diagram, the final product will certainly have problems.
    • The first and most important point is that we should first prepare a complete schematic diagram. If there is a problem with the schematic diagram, the final product will certainly have problems.
    • A complete schematic diagram will include the specific dimensions of the PCB, the connecting lines of various components, and the specific models and parameters of components, including pick and place, that is, the specific assembly position of components.
    • In addition, there is no need to worry about packaging errors. In the subsequent import program, if there is a problem with the packaging parameters, the system will prompt.
    • Then enter the operation stage and import the data into the PCB file. Next, we need to check some special components that need to confirm the position, such as some transmitters, external keys, etc. Lock them in the program.
    • After that, you can operate the various parts of the PCB, which are placed neatly, and different parts have relatively suitable positions. As mentioned before, a single-sided PCB is usually composed of circuits on one side and components on the other.
    • Therefore, in addition to the transmitters and external keys mentioned above, including LEDs, almost all other components are placed on the bottom side.
    • In addition, for some convenient methods of wiring arrangement, for example, it is more suitable to place the interface in the lower right corner of the PCB and put it in the lower left corner for metering. In this way, wiring arrangements will be much more convenient.
    • After the pick and place of functions are completed, we will move on to the more detailed layout.
    • For example, many components should be kept closer to each other. For example, components near the IC chip should be kept closer to ensure the working efficiency and transmission speed of the IC, In particular, the decoupling capacitor also needs to be as close to the IC chip as possible. IC is indeed the core component of a board.
    • The crystal oscillator and its pins also need to be as close as possible, which makes it easier to identify on the one hand, and increases the transmission and working efficiency on the other hand.
    • In addition, to avoid subsequent operation errors, try to leave some extra distance on the PCB side to avoid subsequent operation modifications on SMT. What’s more, according to Viaion's PCB production experience, the signal distance should also be separated by a certain distance according to the high and low voltage to avoid problems.
    • There are also some alert and protective diodes, capacitors, and voltages that should be installed in front of the components that need to be protected, such as voltage regulators, etc. Then came the link of interconnection between components. This is also a very important part, which needs to be treated in detail.
    • First of all, we should master the parameters of each component, and understand the amount of current passing through them, including the impact current, to master the interaction between signals in the line, to set the thickness of the line by setting the size of the passing current, to set the line perfectly.
    • For the part of the line with the large current transmission, a wider line width needs to be set to support and prevent problems. For example, a wider line width needs to be set at both ends of the polyester capacitor to prevent the transmission current from being too large, resulting in line damage.
    • On the one hand, it can also support the protection of electronic devices such as regulators, and further achieve dual protection, which requires special attention. According to Viaison's production experience over the years, the line width used for power supply signals of different voltages is different. If it is small, such as small signals, it is usually about 10mil wide.
    • Because the transmission current is low, it is not necessary to use a too-wide line, but if it is too narrow, it will lead to the situation mentioned above. Because the current is too large, the line is damaged, so it is usually recommended to use about 10mil, more appropriate.
    • Let's talk about the low signal, which is generally divided into two cases. It mainly focuses on the position of the low signal. If it is next to the IC chip, it usually adopts a width of about 20mil. If it is not around the chip, it needs to use a thicker line, usually, 34-38mil, to ensure the stability of current transmission and avoid waste, so the low-voltage power supply signal is usually these two installation methods.
    • However, for high-frequency signals, it is not allowed to route nearby. Wiring is crucial to the quality of PCB, which is directly linked to the quality, and special attention should be paid to wiring.
    • This needs special attention in the design, otherwise, it needs to be redesigned, which is very time-consuming and energy-consuming. Therefore, this special attention will lead to the nullification of previous efforts.
    • For the layout of ground wires, try to form a relatively large line plane, so it's OK. After all the circuit designs are completed, some adjustments should be made to the layout of components.
    • First of all, pay attention to the connection of components through a reasonable number of vias, not too much or too little.
    • Then connect with the main ground, and check whether the ground wire under the chip is complete and area.
    • Finally, adjust the layout of components to ensure that the whole looks convenient and authentic, and avoid the accumulation of components, which will affect the inspection of lines and components, etc.
    • After these are completed, the final silkscreen link can be carried out, and the characters and version numbers required by customers can be engraved on the silkscreen, such as the company's logo, date, UL, etc. After completing these, it is close to the completion of the production of the single-sided PCB.
    • Finally, check all the steps again, pay attention to the parameters and positions of components, whether the layout of the line is reasonable and complete, avoid the corner of the power line, and pay attention to whether the return loop of each signal is normal and complete.
    • In the final inspection, if you find any problems, you should mark them in your way. PCB design and manufacturing is a careful project, and there must be no mistakes, otherwise, it will affect the functionality of the final product, and it is easy to damage the components on the PCB, etc. So we must pay careful attention to these.
    • After the inspection, if everything is normal, we can start production. After the production is completed, we can carry out the final tests. If all the tests of the circuit board functions of the final product are normal, there is no problem. In this way, we have a complete and good Single Sided PCB.

    Other Aspects of Single Sided PCB

    What Is a Single-sided PCB?

    A single-sided PCB is a printed circuit board containing only one layer of conductive material.

    Single-sided PCB Working Principle

    The single-sided PCB mainly uses insulation materials of the substrate to separate the copper foil conductive layer on the surface of the circuit board so that the current in the circuit can flow in each component along the line set in advance to complete the flow function, such as amplification, attenuation, modulation, demodulation, coding, and other related functions. Its role is to miniaturize the line and fix electronic components.

    Single PCB Structure

    The structure of the single-sided PCB consists of the layers of solder mask, the copper layer, and the substrate.

    Single-sided PCB Technology
    1. Cutting copper-clad laminate board; (Pay attention to the cutting specifications. The copper-clad laminate board needs to be baked before cutting.)
    2. Grinding the copper-clad laminate board ; (Clean the cut copper-clad laminate board in the grinding machine to make its surface free of dust, burrs, and other debris.)
    3. Printing the circuit; (Print the circuit diagram on the side with copper foil. )
    4. Inspection; (Excess ink will be removed and the place where less ink is printed will be added more ink. If a large number of defective products are found, adjustment is required. Defective products can be placed in the second step in etching for ink cleaning. After cleaning and drying they can return to this step to reprocess.)
    5. Ink to be dried.
    6. Etching;
    7. Drilling positioning holes; (drilling positioning holes on the etched board )
    8. Grinding the substrate board; (The substrate board is cleaned and dried after positioning holes are drilled on the board.)
    9. Silkscreen; (Print the silkscreen of the components and markings on the back of the substrate board. )
    10. Grinding the board; (Clean again)
    11. Solder mask; (Print the solder mask on the cleaned substrate. Do not cover the pads with the solder mask.)
    12. Punching
    13. V-cut
    14. FQC inspection; (Check whether the substrate is deformed and whether the positions of holes as well as circuits are defective.)
    15. Flattening; (Flattening the deformed substrate)
    16. Packaging for shipment.
    Single-sided PCB Function

    The single-sided PCB is an important part of electronic products, acts as a support body for electronic components, and is a carrier for the electrical connection of electronic components.

    Single-sided PCB Production Time

    In general, the production time of the single-sided PCB takes 5 to 7 days.

    Materials Used in single side PCBs

    The materials mainly used in single-sided PCBs are copper-clad laminates. The types of copper-clad laminates are various including:

    1. metal core copper-clad laminate
    2. metal base copper-clad laminate
    3. phenolic cellulose paper copper-clad laminates(phenolic/paper CCL)
    4. epoxide cellulose paper copper-clad laminates (epoxy/paper CCL)
    5. epoxide woven glass fabric copper-clad laminates, etc.
    Single-sided PCB applications

    Single-sided PCBs are very simple, but they can be used in a variety of complex circuits. The following are some popular applications for single-sided PCBs.

    1. Power supplies
    2. Timing circuits
    3. Digital calculators
    4. LED lighting
    5. Packaging equipment
    6. Broadcast and stereo equipment
    7. Camera systems
    8. Vending machines
    9. Coffee makers
    10. Solid State Drives


    The above is some knowledge about single sided PCB, from its origin to the comparison with other double-sided printed circuit boards or multi-layer printed circuit boards, advantages and disadvantages, including some processes such as design, production, cleaning, etc.

    In general, the emergence of single-sided PCB has had a huge impact on the world’s electronic products. Although with the development of science and technology, today’s electrical appliances are more and more complex, more and more functional, and single-sided PCB is no longer so applicable, its contribution is indelible.
    It belongs to the pioneer of the times, and the single sided PCB is still glowing even today. It is also widely used in many simple electronic products and LED products, including many consumer electronic products and small household electrical appliances.
    Viasion has more than 16 years of rich experience in the single-sided printed circuit board. We are making progress together and looking forward to serving you soon!
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    Frequently Asked Questions

    Like all other printed circuit boards, single-sided PCBs must be stocked in a temperature and humidity-controlled environment. When PCBs are assembled and installed on electronic applications, occasional maintenance like cleaning from dust or contamination may be needed; it depends on the usage environment. 

    The advantages of single-sided PCB including:
    The design of single-sided PCBs is easy.
    The manufacturing of single-sided PCBs is easy.
    The cost of single-sided PCBs is low.
    The turnaround of single-sided PCBs is quick.

    Different circuit layers: single-sided PCBs only have one circuit layer, but double-sided PCBs have two circuit layers with vias to connect the top and bottom circuits.
    Different production processes: the production process of double-sided PCBs is different from that of single-sided PCBs. PTH vias plating is needed in double-sided PCB production.
    Different cost: double-sided PCBs are more expensive than Single-sided PCBs if the other parameters are the same.
    Materials are different: the most commonly used materials in single-layer PCB are CEM1, CEM3, FR4, Aluminum, etc. But the most commonly used material in double layers PCB is FR4.
    Applications are different: one layer PCBs are always used in consumer electronics, but two layer PCBs are commonly used in higher-end applications such as industrial control, testing, communications, power, automotive, IoT, robotics, etc.

    1. Fully understand the parameters of the base material used;
    2. Know the function and the usage of the PCBs and application well;
    3. Always keep in mind the factors which will affect the price a lot, such as material, thickness, copper thickness, PCB dimensions, and surface finishes;
    4. Understand the production capability from the PCB manufacturer;
    5. Know the PCB production processes;
    5. You can always get advice from PCB suppliers if you have any questions.

    The following mistakes when handling a single-sided PCB will affect the function of the single-sided PCB.
    The process of film application: The film is not firmly applied, resulting in the appearance of bubbles.
    The exposure process: The scratched negative causes a local underexposure. The development is blurred and unclear.
    The etching process: The pressure of the nozzle is too high, and the etching time is too long.
    Problems related to plating: The plating is uneven. The surface has an adsorption force when plating.
    Improper operation: In the production process of the single-sided PCB, the board is scratched, and the circuits are broken due to improper operation.
    Production errors: Like missing drill, wrong drilling, wrong outline, etc.

    Single sided printed circuit board has one copper layer as conductors, and double-sided PCBs have two copper layers with PTH vias normally.

    It is widely used in consumer electronics. Power supplies, relays, sensors, LEDs, printers, TVs, coffee machines, electronic toys, etc. all use single-sided PCBs.

    For a bare PCB board, we can see only one copper layer and no PTH vias. For assembled PCBs, if the components are placed on one side of the board, and the circuit is placed on the other side of the board, this kind of PCB is a single-sided PCB.

    A single-sided PCB is a printed circuit board containing only one circuit layer.

    The single-sided printed circuit board is the most basic starting point for printed circuit technology. It plays an important role in the industry for low-cost, high-volume production of simple circuits.

    Both single layer PCB board and single sided PCB board are same, all means printed circuit boards with only one copper layer.

    Single sided printed circuit boards are widely used in consumer electronics, such as LEDs, power PCB, white electronics such as TV, air conditioner, cooker, refrigerator etc.