Prior information notice
The purpose of this procurement is the production and delivery of 3 planar RF windows to be used for vacuum sealing of the High-Power Couplers of the Drift Tube Linac (DTL) of the European Spallation Source ERIC (ESS).
The Supplier shall provide:
- 3 RF Windows, pillbox-type, with WR2300 interface on both sides, which fulfil the requested specifications in terms of vacuum, cooling and RF properties at low power;
- High power RF tests to verify the remaining specifications. ESS offers to perform the high-power RF tests at the ESS premises. High power RF tests are intended to be under the responsibility of the supplier;
- Vacuum seals necessary for testing and operation. No polymeric O-rings are admitted in operation and high-power RF testing in the interface between RF window and coupler or vacuum box;
- Delivery to the European Spallation Source ERIC premises in Lund (Sweden). DAP INCOTERMS 2020.
The delivery of one vacuum waveguide section for vacuum and RF testing of a pair of windows is optional. ESS already has a vacuum waveguide for testing; however, the supplier can build one for better matching to the windows design..
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Note that this is a prior information notice. The procurement documents are expected to be available
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2025-10-21
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Expected last tender date
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2025-11-17
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Expected agreement start
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2025-12-15
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