​Annular Ring

2019-08-08 20:22:30

Annular Ring 

Pore ring

Refers to the copper ring that is wound around the wall of the connecting hole and is flat on the plate surface. On the inner panel, the hole ring is often connected with the outside Earth by a cross bridge, and more often serves as the end of the line or the passing station. In addition to serving as a transit station for the line, the outer board can also be used as a welding pad for inserting parts foot. The synonyms of this word include Pad (matching circle), Land (independent point) and so on.