IPC-9191反映了以ISO/DIS 11462-1《统计过程控制（SPC）实施指南第1部分:SPC要素》为代表的统计过程控制（SPC）原则。本文件概述了SPC理念、实施策略、工具和技术，并描述了在电子行业实施SPC系统的规定。本指南中涵盖的工具和技术也用于将过程控制和能力与最终产品要求联系起来。

IPC-9191 reflects the principals of statistical process control (SPC) represented by ISO/DIS 11462-1, "Guidelines for Implementation of Statistical Process Control (SPC) -- Part 1: Elements of SPC." This document outlines the SPC philosophy, implmentation strategies, tools and techniques and describes the provisions for implementing an SPC system in the electronics industry. The tools and techniques covered in this guideline are also used for relating process control and capability to final product requirements.