Introduction: Infineon Technologies was officially established on April 1, 1999 in Munich, Germany, and is one of the world's leading semiconductor companies. Its predecessor was the semiconductor division of Siemens Group, which became independent in 1999 and went public in 2000. Its Chinese name is Yiheng Technology, and it was renamed Infineon Technology after 2002. Infineon Technologies AG, headquartered in Neubiberg, Germany, provides semiconductor and system solutions for the three major technological challenges of modern society: high energy efficiency, mobility, and security. We mainly produce automotive and industrial electronic chips, security and IC card application ICs, communication multimedia chips, storage devices, etc. Infineon focuses on meeting the three major technological challenges of modern society: high energy efficiency, mobility, and security, providing semiconductor and system solutions for automotive and industrial power devices, chip cards, and security applications. Infineon's products are renowned for their high reliability, excellent quality, and innovation, and have mastered cutting-edge technologies in the fields of analog and mixed signal, RF, power, and embedded control devices. The company has 10 manufacturing factories in 5 countries across Asia, Europe, and the United States, and 16 research and development centers in 9 countries. In 1998, it had approximately 25000 employees and its main partners include Motorola, IBM, MoselVitelic, and others.