Siltronic AG is a manufacturer of wafers made of hyperpure silicon, the basis for modern micro- and nanotechnology. The Munich-based company is one of the world's leading manufacturers of wafers for the semiconductor industry.

History

The company was founded in 1968 as Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH ("Wacker-Chemitronic") in Burghausen and changed its name to Wacker Siltronic GmbH in 1994. The company was renamed as a stock corporation (Wacker Siltronic AG) in 1996. In 2004, the company changed its name to Siltronic AG. The company manufactures silicon wafers with diameters of up to 300 mm at its two German production sites in Burghausen and Freiberg, as well as at sites in Asia and the USA. The company is a member of the Silicon Saxony association/industry association. In 2020, it was announced that Siltronic would be sold to Taiwanese manufacturer

GlobalWafers GlobalWafers is a Taiwanese tech manufacturing company. They are the world's third largest silicon wafer supplier. History In 2018 Nikkei Asia reported on extensive talent poaching issues from China being faced by GlobalWafers. In 2020 Global ...

, a subsidiary of Sino-American Silicon Products (SAS), for a good 3.7 billion euros. The offer was increased to around 4.4 billion euros in 2021. According to the two companies, the merger would create a leading supplier to the wafer industry with a comprehensive product portfolio and the ability to offer technologically advanced products to all semiconductor customers. Siltronic AG is in advanced discussions, nearing completion, regarding a takeover offer from GlobalWafers. But the deal did not receive regulatory approval on time. GlobalWafers already acquired

SunEdison SunEdison, Inc. (formerly MEMC Electronic Materials) is a renewable energy company headquartered in the U.S. In addition to developing, building, owning, and operating solar power plants and wind energy plants, it also manufactures high purity p ...

's semiconductor business in 2016.

Share and shareholder structure

The company's shares have been traded in the Prime Standard of the Frankfurt Stock Exchange since June 11, 2015, and were admitted to the TecDAX on December 21 of the same year. Prior to that, Siltronic was a wholly owned subsidiary of Wacker Chemie. Between September 24, 2018 and June 21, 2021, Siltronic was additionally listed in the

MDAX The MDAX is a stock index which lists German companies trading on the Frankfurt Stock Exchange. The index is calculated by Deutsche Börse. Until 2021 included the 60 Prime Standard shares from sectors that rank immediately below (in value of m ...

, and since then in the

SDAX The SDAX (German abbreviation for ''Small-Cap-deutsche Aktienindex'') is a stock market index composed of 70 small and medium-sized companies in Germany. These so-called ' small caps' rank directly below the MDAX (mid-cap) shares in terms of or ...

. The company's share capital is divided into 30 million no-par value shares. A share of 30.83%, which has been held by Wacker Chemie since March 2017, is considered a fixed ownership. The remaining 69.17% are considered free float. As of November 2021, the free float shareholders subject to reporting requirements include Sino-American Silicon Products Inc. (13.67%), Goldman Sachs (7.88%), and JP Morgan Chase (6.50%) are the largest shareholders.

Production sites

* Burghausen, Germany *

Freiberg Freiberg is a university and former mining town in Saxony, Germany. It is a so-called ''Große Kreisstadt'' (large county town) and the administrative centre of Mittelsachsen district. Its historic town centre has been placed under heritage c ...

, Germany * Portland, United States *

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, bor ...

, Singapore

Products

Siltronic AG sells silicon wafers with diameters from 200 mm to 300 mm (4 to 12 inches) with many different features such as: * Crystal growth according to

Czochralski method The Czochralski method, also Czochralski technique or Czochralski process, is a method of crystal growth used to obtain single crystals of semiconductors (e.g. silicon, germanium and gallium arsenide), metals (e.g. palladium, platinum, silver, gol ...

or Float Zone method * Polished, epitaxial, as cut, lapped, etched surface * Silicon wafers are offered with boron, phosphorus, antimony and arsenic doping. Siltronic AG and Samsung Electronic of South Korea are partners in a joint venture to produce 300mm (12 inch) wafers in a factory in

References

External links

Siltronic
Manufacturing companies based in Munich Silicon wafer producers German companies established in 1968 Manufacturing companies established in 1968 Companies in the TecDAX Companies in the MDAX {{manufacturing-company-stub