6 Layers PCB
Why Choose YMSPCB for Your 6 Layer PCB
YMSPCB is a premier 6 layer PCB manufacturer for over 12 years in China. We are specialized in offering top-quality from PCB prototypes to large quantities orders. When you have urgent projects, please sendthem to us. We can provide 24H quick-turn service for you.
6 layer PCB means there are 6 layers to rout electrical signals: Signal Layer, Ground, Power, and Ground. Signal layer, and Ground
We offer different types of 6 layer PCBs including a flexible circuit board, rigid-flex circuit board, Rogers+ FR4 mixed PCB, HDI PCB, and so on.
In order to meet different demands for our customers, we have sufficient raw materials in stock, such as Shengyi, KB, Rogers, Nanya, Arlon, Nelco, Isola, and Bergquist.
We can also provide different colors of solder masks, including green, white, black, red, blue, orange.
purple, and yellow.
YMSPCB has one expert engineering and production team, they can provide professional advice for your6 layer printed circuit board project.
What's more, YMSPCB can offer a turnkey solution for your project. From PCB design & layout, PCB fabrication to PCB assembly, all processes are in-house and not outsourcing.
We have passed many certifications like lSO9001, 14000, UL, REACH, and RoHS, so you can guarantee 100% production and reliable service for you.
If you are looking for a reputable 6 layer PCB supplier for your project and business, YMSPCB is your best choice.
YMSPCB has over 200 workers in our workshop and the
monthly capacity is 20.000 square meters. We can meet very different demands from prototype to mass production.
Custom 6 Layer PCB
We put at your disposal our know-how for the most complex printed circuit designs with parameters or characteristics so special that they require the personal assistance of our team. We will provvide customized solutions that meet your needs simply by sending us your files by e-mail.
6-layers PCB: The Ultimate FAQ Guide
You will need to know how long the manufacturer has been doing this. Experience determines the qualityof the PCB design. Choose a reliable manufacturer that has long standing experience in 6 layer PCBfabrication.
Choose a PCB manufacturer with the right certifications. The best PCB manufacturer produces a boarothat meets certain standards of the PCB industry.
Good turnaround time
The turnaround time refers to how long it takes to complete an order, You want a manufacturer thatdelivers quality boards within a specific turnaround time. Your manufacturer should maintain a goodturnaround time while delivering guality.
You definitely want a PCB manufacturer that ensures your needs are met, Choose a manufacturer that isresponsive to the needs and complaints of its clients
6 Layer PCB boards, despite their benefits, have certain drawbacks. As a result, you should examine themas well.
Production ls Complex
High-skilled workers are required.
Time to Produce
A 6-layer PCB is composed of a PCB core that has two PCB layers, and two layers on its two sides. It belongs to multilayer PCBs. A PCB core consists of a substrate material layer and two copper layers. It is cut from a double-sided copper-clad laminate
6 Layer PCBs are constructed of several electronic parts that are essential to the device they will beattached to. For a device to operate properly, the PCB must have elements like diodes, resistors.capacitors, and switches, working properly.
If you’re unsure whether you need a 6-layer PCB instead of a 4-layer or 8-layer PCB, it always helps to look at some application examples of these boards. The entire goal of a 6-layer board is to provide additional power or signal that would normally be lacking in a 4-layer board so that your product can have more advanced capabilities. Some of the ideal application areas for a 6-layer PCB include:
Devices supporting multiple high speed interfaces. For example, our data center and networking equipment designs are built on 6-layer boards. These products support multiple multi-Gbps Ethernet channels in an aggressive form factor.
mmWave PCBs, such as radar modules; the top layer can be a low-loss PTFE laminate to provide routing for RF signals. We’ve built multiple radar modules that implement LVDS, CSI, Ethernet, and/or PCIe on 6-layer boards.
Devices requiring high power and high speed digital/high frequency analog in the same board. High power can be implemented using two power planes on the internal layers with GND on L2 and L5.
Designs with high component density on a single layer, including high speed components. The power plane can easily provide power directly to the component layer, and there will be two dedicated signal layers with ground to support low speed signals and controlled impedance.
Mixed-signal PCB designs with a dedicated analog section (bottom layer) and high digital component density on the top and internal layers, including high speed digital interfaces.
Devices with multiple moderate ball count BGAs and low IO count. Once ball counts and IO counts get very large with fine pitch, a higher layer count will be needed to route everything in the design.
From the above list, it should be clear that a 6-layer board will be the first departure most designers will make from a standard 4-layer board in advanced systems. As the number of digital interfaces in the design scales higher and footprint scales smaller, the required layer count will increase further. If you’re unsure where to start and what PCB layer stack to use in your PCB, make sure you contract with a design firm that understands how to design and manufacture these boards to the highest quality and reliability specifications.
A major and recognized advantage of utilizing 6 Layer PCBs is their size. Due to their layeredarchitecture, they are naturally smaller with comparable performance than other PCBs.
This offers a signifcant advantage for contemporary electronics since the current tendency is towardssmaller, more compact yet stronger devices such as smartphones, computers, tablets, and smartwatches
Because of the amount of effort and preparation needed to build 6 Laver PCBs, these kinds of PCBs aremore effcient in their quality over single and double-laver Circuit boards. As a consequence, they tend tobe more stable.
By their nature, 6 Layer PCBs are likely to be tough.Such 6 Layer printed circuit boards are not onlycapable of supporting their load, but also of dealing with the pressure and temperature required to bindthem securely.
They are densely packed with several lavers incorporated onto a single PCB. These narrow-end boardsmake them more connected and help them attain higher speed and reliability despite their reduced size.
Single Connection Point
They are intended to operate independently of other PCB elements. As a consequence, they just needone connecting point instead of numerous ones needed by several single-laver PCBs.
Because just one connecting point is required in the fnished product, this also benefits electronicproduct designers. This is very useful for tiny devices and gadgets.
However, these features make 6 Laver PCBs ideal for mobile devices and high-performance electronicsNow that so many sectors are embracing mobile solutions, the 6 Laver PCBs are fnding new possibilities
Fon 6 Layer PCBs, the loss tangent is the measurement of the signal loss owing to the intrinsic electromagnetic heat transfer in the substratum of the PCB
.oss tangent is essential for uses over 1 GHz and analog transmissions to calculate attenuation. Theopper's friction coefficient also raises losses. Loss tangent in PCB traces relies on frequencies, dielectric constant, and loss factor (Df). High-frequency losses have larger Dk and Df values.
The imaginary component of the dielectric constant affects the speed of propagation of an electromagnetic wave through a substance. In 6 Layer PCB, signal propagation across a trace is determined by the dielectric constant as well as trace shape.
You have to provide parameters for a few distinct factors to ensure the impedance control of your 6Layer PCB:
The impedance of the target
Width of the trace
Height of trace
Copper element spacing on regulated traces
Thermal expansion coefhcient (CTE) describes how much a 6 Layer PCB will stretch or shrink whensubjected to heat or cold, respectively.
Depending on the material, the CTE will vary. Compared to epoxy resin which has a CTE rating of 30-40.copper has a CTE rating of 18. Because both materials inflate at different rates when heated, this CTEimbalance can cause issues throughout the PCB production process.
Boards are subjected to several heat cycles throughout the assembly process and throughout the PCBmanufacturing operation, and this variation in the rate of expansion can lead to joint problems ordamage.
"Tg" (glass transition temperature) is a physical characteristic that indicates when a glass changes from ahard, glassy state to one that is more flexible. Rather than melting, materials undergo structural reformsand become rubbery once the Ig is surpassed.
This is the temperature where fiberglass turns amorphous after lamination at extreme heat and underthe stress of the various surface layers of a PCB.
This is not the peak working temperature of the PCB, but instead the heat which the PCB assembly canwithstand for a short time until deterioration occurs
Blind vias: connect an exterior layer to an interior layer.
Buried vias: connect two interior layers.
Through vias: connect two exterior layers.
When it comes to 6 Layer PCB circuit boards, the ideal manufacturing aspect is the conventional 6- layer
PCB construction with 1/1/1/1/1/1 ounce thickness of copper.
Underwriters Laboratory (UL) conducts product testing, licenses manufacturers, and develops andmaintains safety regulations for a variety of industrial applications.
The primary standards for PCBs are UL 796, which is a particular 6 Laver PCB standard, as well as UL 94which is for flammability assessment of all plastics. These define the number of tests conducted that willbe used to assess the 6 Layer PCB's long-term dependability and flame safety.
When a board meets these requirements, it bears the UL logo, the circuit board type, and the maker'slogo. The UL94 rating of this PCB is V-0.
Here are a few helpful 6 Layer PCB design techniques:
On the PCB, channel adjoining signal layers in opposing directions.
Use layers for the power and ground planes.
Decrease the effect of the through-hole pads on the innermost signal layer.
Selecting the appropriate Surface Finish for your 6 Layer PCB is critical.lfyou choose the incorrectSurface Finish, you risk having problems with downstream assembly or long-term dependability.
These finishing processes are suitable for 6 Layer PCBs:
Electroless Nickel/lmmersion Gold (ENIG)
Hot Air Leveling (HAL)
The stages in the 6 Layer PCB manufacturing process are as follows:
On CAD, design a 6 Layer PCB.
Make the inner layer core next.
Prepreg and copper foil sheets are included in the lamination process.
To keep the sheets aligned as they're being stacked, holes are drilled into the sheets.The next stage is to use a preheated hydraulic press to generate force, heat, and vacuumTo create a six-layer PCB, prepreg resin is used to connect the layers, core, as well as foil
In-circuit testing (lCT) is indeed a PCB inspection technique that uses a bed of nails containing numerousprobes.
The flying probe testing process conducts tests with two to six needles that glide or fly across the board
There are several multilayer PCBs you can select from. The 4-layer PCB stackup and the 6-layer PCB stack up are both multilayer PCBs with different functions. One can easily tell the difference based on their names. The layers of these PCBs determine their prices. This means that the price of a 6-layer PCB stackup is higher than that of a 4-layer PCB.
Therefore, it is important to know the difference between these stackups to help you know what suits your requirements. There are two major ways to tell the difference between these stackups, which are;
Identifying the via on PCB
If we find a via on the front of the PCB while the exact via isn’t on the backside, then it isn’t a 4-layer PCB stackup. It is a 6-layer stackup with a hidden via inside since a 4-layer PCB require PTH to conduct the electricity for four layers
Identifying the wire on the front side
A 6-layer PCB features over 4 layers which results in fewer connections per layer. Therefore, the wire on every layer of a 6-layer PCB will be less than that of a 4-layer PCB.
If you cannot find an answer to your question in our FAQ, you can always contact us and we will be with you shortly.