High Density PCB Services
As consumer satisfaction is linked to the size and weight of electronic devices, it’s critical for product engineering companies to create innovative PCB design services that can lower overall dimensions without sacrificing performance. One technology that has proven to be effective is high density pcb, which features finer spaces and lines and a higher connection pad and via density. The technology can also be used to improve signal integrity and accelerate transmission speeds, as well as consolidating multiple circuits into a single board for enhanced cost-effectiveness.
high density pcb are typically found in complex electronic devices that require excellent performance in limited space, including mobile / cellular phones, touch-screen products, laptop computers and digital cameras. The technology can also be utilized in medical devices and aerospace applications such as drones, missile systems and smart munitions.
Typical multi-layer boards are constructed using FR4 or other core materials. They are then etched to create the pads and holes required for component mounting. This allows the manufacturer to establish a complete design for the circuit and connect all the components in a way that provides sufficient cooling, power supply connections and grounding. The most common surface finish for these circuit boards is ENIG. However, it’s possible to achieve a more durable and visually appealing product by choosing other options such as immersion tin, immersion silver or gold.
How Customizable Are High Density PCB Services?
The manufacturing process of HDI boards requires specialized equipment and processes that differ from standard printed circuit boards. For instance, the laser drill technology needed to create the small microvias makes it difficult for an individual to do on a standard PCB. Additionally, the via formation process is more complex as it involves a number of steps to plate, fill and cap the small holes.
One feature of HDI PCBs that helps to increase the connection pad and trace space densities is the via-in-pad (VIP) process. This technique allows the placement of a via in the surface of flat lands on a layer, connecting a pad to a through-hole with a copper pour. The benefit of this is that it can significantly reduce the height of a circuit, making it easier to meet space and power requirements.
When it comes to high-speed signals, a key benefit of HDI PCBs is the ability to handle high frequencies with low impedance. This is because the small traces and vias make it less likely that signal distortion will occur from capacitance or inductance.
Sierra Circuits offers cutting-edge high density pcb services that can be customized to suit your specific needs. Our engineers can help you create an efficient prototype while ensuring seamless manufacture and assembly of your HDI PCBs, all within the United States. Whether you’re developing medical implantation devices with a tight deadline or a DoD contractor seeking ITAR-compliant products, our engineers are ready to assist. For more information, contact us today. We look forward to helping you take your designs to the next level.
