Analysing inspection frequency for wafer bumping process and an empirical study of UNISON decision framework

Chen-Fu Chien, Chih-Han Hu and Chi-Yung Lin

International Journal of Manufacturing Technology and Management, 2008, vol. 14, issue 1/2, 130-144

Abstract: This study aims to develop a UNISON decision framework for analysing the inspection frequency decisions for the advanced wafer bumping process. Since the accumulated values of the wafers fabricated in wafer fabs are high, process excursion and defects in bumping will cause serious loss. Thus, it is critical to determine the inspection frequency to fulfil the requirement of mass production while ensuring the yield. For validation, an empirical study was conducted in a bumping company and the results showed practical viability of the proposed approach.

Keywords: decision analysis; inspection frequency; wafer bumping; risk analysis; quality engineering; UNISON decision; wafer fabrication. (search for similar items in EconPapers)
Date: 2008
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