PCB Annular Ring

What is a PCB Annular Ring An annular ring is a circular metal pad on a PCB that resembles a doughnut. The inner hole is used to insert a wire or component pin. After soldering, the annular ring connects to the component pin inserted into the inner hole, thus achieving Read more

Buried Vias

Blind and Buried Vias in PCBs

Blind and Buried Vias in PCBs In modern electronic design, as products move towards thinner, smaller, and higher-performance designs, circuit board structures are becoming increasingly complex. Particularly in multilayer boards, the use of blind and buried vias has become a key tool for improving wiring efficiency and circuit performance.So, what Read more

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