Siltronic AG has existed in its current form since 2004, while tracing its business origins back to the start of research and development involving high-purity silicon in 1953.


1953 Initial research and development in the high-purity silicon area
1958 Semiconductor production kicks off
1959 First float-zone facility operational at the new high-purity silicon plant
1961 High-purity silicon production facilities embark on industrial-scale production
1962 Development of the first silicon wafer
1968 Foundation of Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH (“Wacker-Chemitronic”)
1978 Foundation of Wacker Siltronic Corporation in Portland, Oregon (USA).
1984 First 200mm wafers at Wacker-Chemitronic
1990 First research and development projects for 300mm wafers
1994/1995 As sole shareholder, Wacker-Chemitronic establishes Wacker Siltronic Gesellschaft für Halbleitermaterialien mbH
1995 Acquisition of Freiberger Elektronikwerkstoffe Produktions- und Vertriebsgesellschaft mbH, Freiberg, which was merged into our company on January 8, 1996
1995 Wacker-Chemitronic transfers its wafer business to Wacker Siltronic
1996 Wacker Siltronic Gesellschaft für Halbleitermaterialien mbH is converted into a stock corporation under the name of Wacker Siltronic Gesellschaft für Halbleitermaterialien AG
1997 Foundation of Wacker Siltronic Singapore Pte. Ltd.
1998 Initial operation of the first expansion stage of the 300mm pilot production line in Burghausen
1999 Fabrication plant in Singapore kicks off production
2002 Company name changed to Wacker Siltronic AG
2004 300mm silicon wafer fabrication plant launches production in Freiberg
2004 Company name changed to Siltronic AG
2006 Foundation of joint venture Siltronic Samsung Wafer Pte. Ltd. (now: Siltronic Silicon Wafer Pte. Ltd.) with Samsung. Construction starts on 300mm wafer plant in Singapore
2008 The first wafers from the joint venture in Singapore are shipped on January 30, 2008
2014 Acquisition of majority share (78 percent) in Siltronic Silicon Wafer Pte. Ltd. in Singapore
2015 Siltronic executes successful IPO
2017 Wacker executes a second placement and holds a minority of 30,8 percent

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