In May 1, 1999, Siemens semiconductor company officially changed its name to Infineon, headquartered in Munich germany. The main production of automotive and industrial electronics, security and the application of IC card chip IC, communications, multimedia chip, memory device etc.. In 1998, Infineon company is one of the world's ten largest semiconductor manufacturer. The company has 10 manufacturing plants in Asia, Europe, the world three continents in 5 countries, with 16 R & D centers in nine countries in 1998, about 25000 employees, main partners are Motorola, IBM, MoselVitelic etc..
　　According to authoritative 07 chip production ranking, Infineon after Intel, SAMSUNG, TI, ST, the world's fifth largest chip maker.
　　Its headquarters are in Munich in Germany, the enterprise culture: never stop thinking. in Suzhou investors to set up Chinese Qimonda, mainly the production of memory, and allow Beijing Rui Tian Da company agent of its electronic products.
　　Infineon in the Frankfurt Stock Exchange (ticker: IFX) and OTCQX International Premier USA over-the-counter market (Stock Code: IFNNY) listing.