Learn about the concepts of quality assurance and quality control – understanding them from the perspective of "why they are necessary"

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Foundation

Introduction

In the field of quality assurance and quality control, various terms and systems such as PCN, EOL, MSL, PPAP, and FMEA are used. However, simply knowing the meaning of these terms is not enough. In this series, we will introduce the concepts of quality assurance and quality control in an easy-to-understand way, focusing on the themes of "why each piece of information and system is necessary" and "what kind of thinking underlies its operation."

Content list

release date	title
May 28, 2026	What is the purpose of issuing a PCN (Change Notification)? Basic points for understanding semiconductor changes.
June 29, 2026	What decisions should be made after PCN notification? Organize your approach to evaluation, switching, and inventory management.
August 7, 2026	What is the difference between PCN and EOL? Understanding change notifications and end-of-life notifications from the perspective of the parts lifecycle.

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Introduction

Content list