About Plan Optik AG

Company Description

Plan Optik AG is one of the leading manufacturers of structured wafers. In industries such as consumer electronics, automotive, aerospace, chemical and pharmaceutical, these wafers are indispensable components used for numerous applications in MEMS technology. Made of glass, glass-silicon compounds or quartz, the wafers are available in sizes up to 300 mm in diameter. Wafers from Plan Optik offer high-precision surfaces in the ångström range (= tens of millionths of a millimeter), which are achieved by using the MDF polishing process developed by the company. Plan Optik wafers are available in minimal tolerances with application-specific structuring and complex material combinations.

Year founded


Served area



Ueber der Bitz 3, 56479 Elsoff – Germany

Filings & Publications


Report Q1 H1 Q3 FY
Consolidated Report GER
Corporate Governance Report
Company Presentation
General Presentation
Sustainability Report
Remuneration Report

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Shareholder information

Shares outstanding



Dec. 29, 2005

Stock exchange(s)

Frankfurt Stock Exchange

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