Printed Circuit Boards (PCBs) are the backbone of modern electronics, powering everything from smartphones and computers to advanced medical devices and aerospace technologies. The demand for PCBs has surged as the world increasingly relies on electronic systems, making it a vital component in the global technology landscape.
In this blog, we explore the different types of PCBs, market trends, and key factors shaping the industry, and also discuss the various sectors within the global PCB market.
Types of PCBs
As electronics demands evolve, so do PCBs. There are several types of PCBs, each designed for different uses.
- Single-Sided PCBs - Boards with circuits on one side are known as single-layer/sided PCBs. The most common type of PCB, these have a single conductive layer (usually copper) on one side of the insulating substrate. These PCBs are frequently used in low-cost, simple electrical and electronic devices where affordability and ease of use are more important than sophisticated features. They are also known for their cost-effectiveness and ease of assembly.
- Double-Sided PCBs - PCBs with circuitry on both sides are considered double-layer/sided. These PCBs are a step up from single-layer PCBs and allow for more complex circuit designs and higher component density. Double-sided PCBs are often used because they allow producers to create more intricate circuits and offer more design flexibility. They are suitable for smartphones, power monitoring, test equipment, amplifiers, HVAC applications, and uninterruptible power supplies that require moderate complexity and component density.
- Multilayer PCBs - Boards with three or more conductive layers separated by insulating layers are called multilayer PCBs. Due to the complexity of the multilayer PCB manufacturing process, low production volumes, and difficulties in rework, these boards are more expensive than single-layer and double-sided PCBs. These PCBs are used in computers, servers, smartphones, and medical equipment, where space efficiency, signal integrity, and electromagnetic interference control are important.
- High-density Interconnect (HDI) PCBs - HDI PCBs, designed by hardware engineers, are smaller and lighter than traditional PCBs and offer high-speed, reliable signals. HDI PCBs are ideal for applications requiring miniaturized electronics and high performance, such as smart consumer electronics, wearable devices, automotive safety measures, industrial electronics, and high-speed communication devices.