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PCB/PCBA knowledge PCB&PCBA Design

The conventional perception is that 10-level PCBs constitute HDI boards, although they are not valid. Because when 10-layer PCB creation is done correctly, the thickness of the individual section is such that after ten layers are joined together, the whole thickness of the panel does not exceed 0.062 feet; then, you have such a single Circuit diagram with ten separate layers.

Table of Contents

What is 10-layer PCB?

What is 10-layer PCB

As its name implies, 10-layer PCB is a kind of PCB that has 10 layers of conductive material. It is usually used on some equipment that requires high density and better signal integrity.

How many layers can PCB have?

How many layers can PCB have

PCB layers means the copper layers on a board. They are stacked up to provide better electronic performance.

Multi-layer PCBs are constructed based on double-layer PCB. In general, an odd layer of PCB is easy to result in twisting or warping. Hence, it’s recommended to use an even number of layers. Among the multi-layer PCB, 4 and 8 layers are commonplace.

How is the 10-layer PCB made?


Prepreg, an epoxy-infused fiberglass sheet, and sensitive core materials are bonded together in a hydraulic press at high pressure and temperature to create a multi-layer printed circuit board. As the layers are compressed and heated, the prepreg melts and bonds them together.

Where is the 10-layer PCB used?

Applications-of-10-layer PCB

Multi-layers PCB applications are usually founded on high-tech devices like X-ray machines, heart monitor and scan devices, nuclear detection systems, space probe equipment and signal transmission, and so on.

The 10-layer PCB could be found in telecommunication markets. Many telecommunications types of equipment, such as base stations, salt storage areas, etc., might benefit from their utilization. They are further used in memory modules, direct laser imaging, or mobile phones.

The production process of a 10-layer PCB

The production process Of a 10-Layer PCB

Because of their complex designs, multilayer printed boards need more work to be done on them. Many of these procedures are similar to those used for 10-layer PCBs. The processes, however, are repeated for each successive board layer. Additionally, copper foil is often used instead of copper covering in multilayer PCBs.

  • Examine the innermost layers

Exact steps are used when creating the 10-Layer PCB design while imaging the inner layer. The plotter printer will print the design onto film. Having correctly aligned the two, a machine punches a registration hole into the movie to ensure that the layers remain in their correct positions.

The printed film is aligned with the registration holes in the laminate after the copper has been added to the laminate materials for the inner layer.

The film, also called the resist, is exposed to ultraviolet radiation to cure the chemicals in the white portions, forming the printed pattern. During the etching process, the copper will be removed from places that are not hardened but are covered by a dark-colored coating.

  • Stop the stripping

During the resist stripping process, the copper of the inner 10-layer PCB is uncovered, and the residual resist is stripped away. Taking the time to remove any lingering resistance ensures that the copper is free of impediments to its conductivity. After the resist has been stripped away, the underlying structure of the layer may be examined.

Using the registered holes as a reference, the post-etch hammer aligned the surfaces and punched a hole through them. A computer precisely directs a machine called a visual punch, which punches the hole and ensures proper alignment before proceeding to the next step. After the layers have been punched using an optical device, they are sent to an automated visual inspection system that examines the innermost layers (AOI).

  • Lamination

For the lamination process to work, the epoxy used to connect the layers must be melted under heat and pressure. PCBs with proper lamination will have adequate insulation between their layers and keep them together firmly.

  • Laser-guided X-ray alignment

Laminated multilayer boards are X-rayed before being drilled to guarantee proper bit alignment. Multilayer PCBs may make interlayer connections via these holes. As a result, it is essential that they be precisely positioned and scaled concerning the remainder of the top and the various layers. In the ninth or tenth phase of making a single- or double-sided PCB board, drilling is performed after the layers have been X-ray aligned.

What is the difference among 4/6/8/10 layers PCB?

Distinction between differnet layer PCB
Apertures, hidden holes, and blind holes are common ways that layers are joined together. Compared to double-sided boards, this one features more blind and concealed holes.
When talking about a “6-layer printed circuit board,” the amount of copper layers on the board is referred to.
The standard number of layers for a PCB in the electronics industry is 8. These eight layers connect the different electronic components and are typically made of copper. Insulating materials separate each of the eight metal and plastic layers, and small holes, called vias, connect one layer to the following (cavities).
You use 10-layer PCBs when dependable electromagnetic conductivity is critical. Using a PCB with ten layers has several advantages.

What are the design challenges on a 10-layer PCB?


Because externally installed power components could interfere with sensitive data, the PCB stack-up must have enough current and neutral planes to insulate the boards. As a bonus, it’s best if the grounding of the power supply is separate from that of the other components. Decoupling caps must be provided near the IC-powered pins to minimize ground bounce induced by the concurrent switch of bioactive constituents. Optimizing the 10-layer PCB electricity design requires careful consideration of the capacitor’s value, the conductive layer, and placement.

Considerations when selecting a 10-layer manufacturer


  • Requirement of a minimal order

In the long term, modest minimum order numbers are often safer, enabling you to evaluate the goods. Even if a vendor with a greater MOQ claims superior PCB manufacturing skills, you should still conduct limited production runs before placing large orders.

  • Service to the customer

Excellent customer service is also another evidence of comprehensive 10-Layer PCB manufacturing skills. A very responsive customer care channel suggests that the organization is ready to support all your construction needs.

You asked we answer

As its name implies, 10-layer PCB is a kind of PCB that has 10 layers of conductive material. It is usually used on some equipment that requires high density and better signal integrity.

Make sure to have enough current and neutral planes to insulate the boards.

It’s recommended that the grounding of the power supply is separate from that of the other components.

Optimizing the 10-layer PCB electricity design requires careful consideration of the capacitor’s value, a conductive layer, and placement.

  • usage
    Requirements on machine operation conditions and circuits will decide the PCB layers.
  • budget
    The different number of layers of PCB have different costs. Choose PCB layers design according to your budget.
  • density and signal layers
    Pin density and signal layers also impact the number of PCB layers to some extent. The number of layers increases as the pin density drops.


When you have read here, I believe that you know something about 10-layer PCB. IBE also provides 10-layer PCB manufacturing services.

With more than 17 years of experience in PCBA manufacturing, IBE is a professional PCBA manufacturer focusing on the research and development of laser ranging, new energy, medical devices, automotive electronics, industrial control, consumer electronics, etc. We aim to be your highly reliant strategic ODM/OEM global partner for success by providing high-technology services, products and solutions.




IBE Electronics is a leading EMS provider in China, with rich experience and expertise, providing customers with excellent service and creating superior products to improve people’s lives.

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