As the demand for advanced tech, high-speed, high-performance, and miniature devices has risen, the need for complex and small-sized printed circuit boards (PCBs) has also grown. So, PCBs have become tinier than ever before, are available in various configurations, and can be customized based on application requirements. Therefore, varieties of multilayered PCBs are being developed. Among them, 4-layer PCBs are commonly used across applications. These PCBs are a key part of various electronics, as well as, communication appliances. Would you like to know more about them, especially the stack-up structure and their types? What benefits they offer and what are their application areas? Read through the post, and you will get the answers to all the questions.
Among all the multi-layered types, the 4-layer printed circuit board (PCB) is the most common. The stack-up of a 4-layer PCB is quite robust, and it comprises Top Layer, Inner Layer 1, Inner Layer 2, and Bottom layer to route electrical signals. Both the inner layers (Inner Layer 1 and 2) are placed in between the top and bottom layers. Therefore, a 4-layer PCB means 2 signal layers + a positive voltage layer (VCC layer) + a ground layer (GND layer) or 3 signal layer + GND layer. In a 4-layer PCB design, more surface area is available for traces. Thus, this design structure offers excellent routing for low, as well as high-speed signals.
When you approach a 4 layers PCB manufacturer, they will offer you these two standard structures of a 4-layer PCB. Here VCC and GND layers are organized on the basis of application requirements.
Owing to their beneficial features, 4-layer PCBs are widely used in many electronic applications. Some key benefits offered by these multilayered PCBs are as follows:
The key advantages of these circuit boards contribute to their popularity across diverse industries. Following are some important applications where these circuit boards are widely used:
If you are looking for a 4-layer PCB for your application, then it is important to source them from a reliable 4 layers PCB manufacturer who understands your application requirements effectively. Twisted Traces is counted among one of the leading 4 layers PCB manufacturers in the US. The company produces various types of multi-layered PCBs, which are RoHS compliant. Over the years, the team of highly experienced and skilled experts at the company has been designing high-quality 4-layer printed circuit boards for use in modern devices, electronics equipment, and so on.