Abstract
Six Sigma is a concept with at least three meanings:
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1.
William B. Smith and Mikel J. Harry (1986) developed Six Sigma at Motorola. The trigger was a specific quality problem in Motorola’s semiconductor division and one customer explicitly required a performance level of 6 sigma.
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2.
This requirement was the impetus for the development of the DMAIC method and the origin of the name for the whole improvement program (personal message from Motorola).
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3.
Jack Welsh (1995) at General Electric perfected the implementation, penetration, and sustainable establishment of the improvement program in the whole organization (Fig. 2.1).
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References
Harry, M. J. (1988). The nature of six sigma quality. Schaumburg, IL: Motorola University Press.
Leyendecker, B., Schindewolf, S., Hutwelker, R., & Weigel, H. (2011, July). Erfolgsfaktoren für die Etablierung von Six Sigma. QZ—Qualität und Zuverlässigkeit.
Shewhart, W. A. (1939). Statistical method from the viewpoint of quality control. Washington, D.C: Reprint of the Graduate School, Department of Agriculture.
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Hutwelker, R. (2019). Six Sigma Introduction. In: Six Sigma Green Belt Certification Project. Management for Professionals. Springer, Cham. https://doi.org/10.1007/978-3-030-31915-1_2
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DOI: https://doi.org/10.1007/978-3-030-31915-1_2
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