Tool Setup Improvement for Package Scratch Mitigation at End-of-Line Process
A. Sumagpang Jr., F. R. Gomez, R. Rodriguez
Journal of Engineering Research and Reports · pp. 1–5 · Published 6 May 2020
10.9734/jerr/2020/v12i317079Abstract
With new and continuous semiconductor technology trends, challenges in assembly manufacturing are inevitable. This paper focused on the elimination of assembly defects particularly package chip-out and scratch at the singulation end-of-line (EOL) process of a semiconductor device. Simulation using computer-aided design (CAD) tools, actual process replication, and validations were done, eventually verifying and replicating the desired defect signatures. Singulation tool setup of the package was improved and a standardized tool setup was established based on the simulation and actual validations, resulting to at least 90% improvement in assembly EOL process parts per million (ppm) reduction.
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