Method for Detecting Flux-on-Die Presence Through Reflective Emission of UV Lighting
Publication Date: 2003-Mar-26
The IP.com Prior Art Database
Disclosed is a method that uses an automated vision system with an ultraviolet lighting source to detect the presence or absence of flux on the back-side of the die surface. The system also detects the percentage of flux coverage on the back-side of the die surface. Benefits include real-time monitoring.