Microvia
A microvia is a very small-diameter via, typically less than 150 micrometers (µm) in diameter, used to create electrical connections between layers in a multilayer PCBA. Microvias are essential for high-density interconnect (HDI) PCBAs, allowing for more compact and complex designs. They provide several advantages over traditional vias:
- Space Efficiency: Microvias enable higher component density and closer placement of traces, making them ideal for compact electronic devices.
- Improved Performance: The smaller size of microvias reduces parasitic capacitance and inductance, enhancing signal integrity and allowing for higher frequency operation.
- Versatility: Microvias can be used as blind vias (connecting an outer layer to an inner layer) or buried vias (connecting inner layers without reaching the outer layers).
Categories: Board Parts / Components