as: Crystal growth according to Czochralski method 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 Singapore. 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