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UNIVERSITY OF ZURICH ASSET MANAGEMENT has floated a tender for Dilution Fridge for Particle Physics. The project location is Switzerland and the tender is closing on 07 May 2025. The tender notice number is 191233-2025, while the TOT Ref Number is 116729600. Bidders can have further information about the Tender and can request the complete Tender document by Registering on the site.
Procurement Summary
Country : Switzerland
Summary : Dilution Fridge for Particle Physics
Deadline : 07 May 2025
Other Information
Notice Type : Tender
TOT Ref.No.: 116729600
Document Ref. No. : 191233-2025
Financier : Self Financed
Purchaser Ownership : Public
Tender Value : Refer Document
Purchaser's Detail
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Login to see detailsTender Details
The Physical Institute of the University of Zurich plans to purchase a dilution cryostate
(Dilution Fridge = DF) in order to develop superconductive sensors for use in particle physics and to search for mild matter (DM). A two-component payload
is operated in the DF:1) Supralent sensors such as TES or SNSPDs including detectortarget (Si, sapphire, he)
with masses between grams and kilograms. 2) Squid excess electronics in relative proximity to the
sensors. Sensors and the squids should be free of magnetic fields. The basic temperature must
at the mixing chambera cooling capacity of at least 400 μW below 10 MK and at 100 MK at
at least 400 μW. The experiment should be able to maintain its basic temperature for at least three months in the uninterrupted operation.
The DF needs a mechanical pre -cooling to external coolantTo avoid, except
smaller amounts of liquid nitrogen for the gas system. The He3/He4 mix in the
dilution cooling unit is to be operated in a closed circuit. The control and
software system of the DF should be independent and should be able to operate the operation and data collectionto allow via network. The DF should only have low
vibrations on the mixing chamber. In order to minimize the vibrations of the pumps and compressors of the cooling circuit themselves, we must assemble the pulse tube and the compressors separately from the cryostate. AtLief...
Document Type: Contract Notice
Contract Type: supplies
Authority Type: body-pl-ra
Doc Title: Dilution Fridge for Particle Physics
Dispatch Date: 2025-03-23
Publish Date: 2025-03-25
Submission Date: 2025-05-07
Documents
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