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Method for Detecting Flux-on-Die Presence Through Reflective Emission of UV Lighting

IP.com Disclosure Number: IPCOM000011938D
Publication Date: 2003-Mar-26

Publishing Venue

The IP.com Prior Art Database

Abstract

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.