Heraeus Quarzglas GmbH & Co. KG (Heraeus Covantics)
DE quartz glass for semiconductor + UV + optics — Heraeus since 1851, Covantics consolidation January 2025.
About the company
Heraeus Quarzglas GmbH & Co. KG (operating under the Heraeus Covantics brand since 1 January 2025) is a German quartz-glass + fused-silica + ceramics specialist within the Heraeus holding (Hanau, founded 1851 by Wilhelm Carl Heraeus as a pharmacist's lab). HQ at Heraeusstrasse 12-14, 63450 Hanau. UV activity: optical quartz-glass components for DUV lithography, UV optics, UV-lamp envelopes + quartz tubes, fused silica for 193 nm + 248 nm optics, semi-finished products + custom-tailored specialty solutions. Semiconductor industry as the core market. 2008 acquisition of the former Saint-Gobain Quartz (Wallsend, UK) — Spectrosil brand inheritance. January 2025 consolidation of Heraeus Conamic + Heraeus Comvance into Heraeus Covantics.
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Industry story · Lifecycle
- 01.01.1851 Founding
Heraeus Holding founded (1851)
Wilhelm Carl Heraeus founded an apothecary lab in Hanau (Hesse) in 1851 — origin of today's Heraeus Holding. The quartz glass division was built up over the decades and is today part of Heraeus Covantics.
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- 01.01.2008 Acquisition
Saint-Gobain Quartz acquired (2008)
Heraeus acquired Saint-Gobain Quartz (HQ Wallsend UK, Spectrosil brand) in 2008 and integrated the activities into Heraeus Quarzglas. Strengthening position in semiconductor quartz glass and Asian market.
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- 01.01.2025 Rename
Consolidated as Heraeus Covantics (2025)
From January 1, 2025 Heraeus consolidated the high-performance materials expertise of Heraeus Conamic + Heraeus Comvance into a new operating brand: Heraeus Covantics.
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