“Why Is My Metal Pattern Wavy?” — It’s Not the Plating, It’s What Came Before
If you’ve ever looked at your wafer after metal patterning and thought, “Why the hell does it look like a topographical map?”You’re not alone. Many engineers instinctively blame the plating process when they see wavy or bumpy metal lines.But in reality? The issue often starts way upstream.Let’s break it down. 🔍 What Does a “Wavy” … Read more