# Particles on Chips: A Metal Ball

| Here is the large size picture of a metal particle, probably a tiny drop of Al that was burnt of by a an electrical discharge in a sputtering machine and hit the Si as a solidified droplet . It was coated with Al which was subsequently structured by etching. Four conducting lines are now short circuited.

With frame

Particles on Chips

© H. Föll (Semiconductor Technology - Script)