IPC-4761 Via Types

Via protection is an important part of modern PCB design. It provides additional benefits in PCB manufacturing and assembly, increasing the number of acceptable products. There are several types of vias protection detailed in the IPC-4761 Design Guide for Protection of Printed Board Via Structures and on pages 5-11 of this document.

Advantages of Via Protection

Common situations where vias protection is recommended or required:

Support For IPC-4761 Via Types in Altium Designer

Altium Designer supports vias types according to IPC-4761.

To configure the type of protection for vias:

• Select the desired vias;
• Set a type in the Properties panel;
• Specify the coating side and material in the table.