4.03 N00244-25-Q-S078 Q&A.docx
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- Attached to
- Closed Cycle Cryostat for Microscope
- Solicitation number
- N00244-25-Q-S078
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This document is a Questions and Answers (Q&A) file for Request for Quote (RFQ) N00244-25-Q-S078, clarifying technical specifications for a closed-cycle cryostat. The Q&A confirms that the requirement is specifically for a cryostat with precise technical requirements, including an optical microscopy interface with a direct viewing optical window compatible with a Leica DM2500 microscope. The cryostat must accommodate a 24-pin dual inline pin package and include an electrical feedthrough with at least 24 pre-installed electrical wires for sample characterization, enabling thermal and electrical analysis of nanomaterials across a wide temperature range for the Naval Postgraduate School's Mechanical and Aerospace Engineering Department.
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Other files
| File | Type | Posted |
|---|---|---|
| 4.03 N00244-25-Q-S078 Q&A (II).docx | DOCX document | |
| 4.02 SF 1449 - N0024425QS078 - updated.pdf | ||
| 4.02 SF 1449 - N0024425QS078.pdf |
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RFQ N00244-25-Q-S078 Q&A
1. The solicitation states it is for a Closed Cycle Cryostat for Microscope however the SF1449 section “3.0 Minimal Technical Requirements/Salient Characteristics” includes a mix of specifications for a cryostat and a microscope. Is the requirement for both a microscope and cryostat or just a cryostat? And, if for just the cryostat, may we please have specifications for the cryostat only?
Answer: The requirement is just for a cryostat.
· Must have optical microscopy interface (i.e., sample holder beneath optical window). The cryostat must include an optical window that allows direct viewing of the sample through an optical microscope (e.g., Leica DM2500, part of an existing Raman microscopy system). The sample holder must be positioned beneath this window and within the working distance of the microscope objective to enable optical access.
· Must be able to accommodate 24 pin dual inline pin package & Must have at least 24 electrical wires for sample characterization.
· The cryostat must include an electrical feedthrough with at least 24 pre-installed electrical wires for sample characterization. Additionally, the sample holder must be compatible with a standard 24-pin dual in-line package (DIP) and capable of securely accommodating and thermally anchoring it to the cryostat’s sample stage.
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