Infineon Technologies AG is a German semiconductor manufacturer founded on 1 April 1999, when the semiconductor operations of the parent company Siemens AG were spun off to form a separate legal entity. As of 30 September 2018, Infineon had 40,100 employees worldwide. In fiscal year 2018, the company achieved sales of €7.599 billion.
On 1 May 2006, Infineon's Memory Products division was carved out as a distinct company called Qimonda AG, which at its height employed about 13,500 people worldwide. Qimonda was listed on the New York Stock Exchange until 2009.