This document is applicable to electronic component and equipment manufacturing.

PURPOSE

This document provides the guidelines for the utilization of Cpk as a
monitor of process performance.

This document:

     . defines the process capability index (Cpk),
     . outlines some general methods for estimating Cpk,
     . describes acceptable methods of reporting Cpk,
     . discusses the advantages, disadvantages, and requirements for
       some potential applications of Cpk,
     . addresses the use of similar methods of assessing quality
       improvement, and
     . provides some perspective on the value of Cpk and similar
       techniques.

Application of the guidelines in this document should allow businesses
to use Cpk or similar techniques to effectively monitor one aspect of
quality improvement and to promote strong customer/supplier
relationships.

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