CHAPTER 4
Process and Quality of Process
Significant problems we face cannot be solved by the same level of thinking that created them
– Einstein
SYNOPSIS
Every process has to be understood and visualised in detail and entirety. The tool that accomplishes this task is SIPOC—model of the process. This model suggests that there are seven types of scanning a process for defects. This chapter presents the SIPOC model; an overall view of the investigation of a continual improvement problem/project as well as new parameters of quality of a process in terms of its Sigma value called z value and first-time yield (FTY). z and FTY are based on defect data from the process. Guidelines on preparing defect checklist are also given.
SIPOC—a process model ...
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