NB686000-26-01896 Requirements and Specifications.pdf

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Attached to
4 Kelvin Closed Cycle Cryostat Federal contract opportunity
Solicitation number
NB686000-26-01896
Issued by
Department of Commerce National Institute of Standards and Technology

About this file

This is a Requirements/Specification Document for the procurement of a 4 Kelvin Closed Cycle Cryostat system by NIST's Physical Measurements Lab/Applied Physics Division/Spin Electronics Group (Contract Number NB686000-26-01896). The Spin Electronics Group requires a closed-cycle cryostat system with no liquid cryogens for characterizing superconducting devices and circuits used in pi-ground state Josephson junction research and superconducting digital logic circuit testing. All items must be new, with original manufacturer packaging and documentation; used, remanufactured, experimental, prototype, custom, or "gray market" items are not acceptable.

The primary requirement is one Closed Cycle Cryostat with a base temperature below 3 Kelvin, upright sample space configuration, and comprehensive cooling hardware including cold head and compressor. Critical specifications include greater than 1.5 watts cooling power at 4.5 Kelvin, peak-to-peak temperature variations less than 50 millikelvin, cool-down and warm-up times both under 2 hours, and more than 8 standard vacuum ports. The sample space must exceed 250 millimeters diameter and 225 millimeters height with 4-40 threaded holes on half-inch spacing and non-magnetic materials throughout, including replacement of steel heli-coils with non-magnetic material and elimination of nickel-flashing on gold plating. Additional requirements include a liquid helium pot on the second stage, greater than 10 customizable I/O interface ports, optical window access, water-cooled F-70L compressor with electrical isolation, 96 DC electrical lines with DB25 connectors, and 24 DC low-resistance copper electrical lines. A separately priced optional item includes one 1 Tesla split-coil magnet with superconducting high-current leads and 110+ millimeter bore size. Delivery of goods, installation, and training must be completed within 12 months of award, with government acceptance testing expected to take 21 days. Base manufacturer warranty is acceptable with a one-year period.

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Re qu ire m en ts

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Requirements / Specifications: 4 KELVIN CLOSED CYCLE CRYOSTAT 1 Version 1.0 (2019) Double-click on for further assistance.

Use this document to detail specifications/requirements for an item and/or ancillary services.

TITLE: 4 KELVIN CLOSED CYCLE CRYOSTAT

Requesting Lab/Division/Group: Physical Measurements Lab/Applied Physics Division/Spin Electronics Group

NB686000-26-01896

General Statement of Need The Spin Electronics Group of the Physical Measurement Laboratory requires the purchase of cryostat for characterization of our superconducting devices and circuits. The cryostat must be closed cycle with no liquid cryogens required and must have a base temperature below 4 K. The cryostat must have a large sample space with at least a 250 mm diameter and 225 mm height for the sample space on the lowest temperature stage and must use non-magnetic materials in the sample space. The system will be used to characterize devices and circuits made for our pi-ground state Josephson junction research and for testing electrical performance of superconducting digital logic circuits that will be imaged in our scanning superconducting quantum interference device microscope. The cryostat must meet base temperature specifications, time to cool down specifications, and non-magnetic materials specifications and to ensure our ability to rapidly test new device and circuit designs and materials.

The Contractor shall provide a system that meets all technical specifications identified below. All items must be new. Used or remanufactured equipment will not be considered for award.

Experimental, prototype, or custom items will not be considered. The use of “gray market” components are not authorized for sale in the U.S. by the Contractor is not acceptable. All line items shall be shipped in the original manufacturer’s packaging and include all original documentation and software, when applicable.

Items and/or Ancillary Services

Item 1: Closed Cycle Cryostat Quantity: One (1) Specifications: Cryostat with base temperature below 3 K.

a. Upright sample space configuration

b. All necessary cooling hardware including cryostat, cold head, compressor.

c. Base temperature below 4.0 K

d. All necessary thermometry, heaters and temperature controller for operation

e. > 1.5 W cooling power at 4.5 K

f. Peak-to-peak temperature variations < 50 mK

g. < 2 hour cool down time

h. < 2 hour warm up time

i. > 8 standard vacuum ports

j. Liquid He-pot on second stage for added temperature stability

k. All non-magnetic materials in the sample space including: i. No Ni-flashing on any gold plating used in the sample space ii. Replacement of steel heli-coils on He-pot with non-magnetic material

l. > 225 mm sample space to radiation shield height

m. > 250 mm sample space diameter ire m en ts

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Requirements / Specifications: 4 KELVIN CLOSED CYCLE CRYOSTAT 2

n. Sample space with 4-40 threaded holes on ½” spacing

o. > 10 I/O interface ports that can be customized after purchase without modifying the main cold plate

p. First stage radiation shield

q. Window port with optical access to the sample space from above the cryostat.

r. Water-cooled F-70L compressor

s. Electrical breaks on compressor lines

t. Electrical isolation between compressor and cryostat

u. 96 DC electrical lines from vacuum feedthrough with DB25 connectors to sample space with 2mm headers

v. 24 DC low resistance 36- gauge Cu electrical lines with DB25 vacuum feedthrough and 2mm headers at the sample space.

Separately Priced Options and Services:

Item 2: 1 Tesla Magnet Quantity: One (1) Specifications: Split Coil 1 T Magnet

a. 1 Tesla split pair single axis magnet capable of bi-polar operation designed to fit in the sample space

b. > 110 mm bore size

c. All required high-current leads from 1st to 2nd stage must be superconducting

d. All required high-current leads must be tested to deliver current sufficient to reach 1 T field with the supplied magnet.

e. All required leads and thermal management from the 1st stage to vacuum port

f. All required vacuum feedthroughs

g. All required high current lugs on the sample space for connecting the magnet

[List any other item(s) or service requirements here using the same format above.]

Service Requirements / Item Specifications

Section Requirements/Specifications Planning Considerations ☒ N/A

☐ List any visits required to allow potential vendors to see site specific constraints.

[Explain requirement here] ☐ US citizen required on-site (foreign nationals require preregistration 30 days prior) ☐ Vendor rep on-site more than three days ☐ Other considerations: [List other considerations to ensure an accurate quote]

Shipping & Delivery ☐ N/A

[Enter shipping and delivery information by item here.] Shipping criteria:

☐ Partial delivery acceptable ☐ Direct delivery to building required [Explain need for requirement here] Building has: ☐ Loading dock ☐ Containerization preference: [Choose container] Other requirements: [List any other requirements here] ire m en ts

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Requirements / Specifications: 4 KELVIN CLOSED CYCLE CRYOSTAT 3

Delivery date criteria:

☒ Delivery of goods, installation, and training shall be completed no later than:

12 months ARO ☐ Deliver no earlier than: [Insert date here] ☐ Other: [List other shipping, delivery, or specil requirements]

Electronic Media ☒ N/A

[Enter electronic media requirements by item here.] ☐ Software ☐ Electronic manuals ☐ License Key ☐ Other: [List any other Electronic Media requirements here] [Enter email address for software delivery here]

Installation ☒ N/A

[Enter installation requirements by item here.] ☐ Vendor technician on site ☐ Rigging ☐ Uncrating / Unpackaging ☐ Removal of packaging material ☐ Equipment set up ☐ Start-up services ☐ Turn key installation ☐ Other [Enter details here.] Note: When installation is required, TPOC or COR shall be the coordination point.

Facility / Utility Considerations ☒ N/A

[List site specific utility considerations by item here.] ☐ OFPM Work Order Number(s) [List any Work Order Number(s) here] ☐ Power available Voltage: [Enter voltage here] (V) Max Current: [Enter max current draw here] (A) Phase: [Choose phase] Frequency: [Typically 60Hz] (Hz) NEMA Plug Type: [Enter plug type here] (i.e.: NEMA L5-20P) Environment: [Choose environment] Other power consideration: [List any other power considerations here] ☐ Utility connections: [List relevant available utilities, pressure(s), and flowrate(s)] ☐ Other considerations: [List other considerations to ensure an accurate quote] ire m en ts

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Requirements / Specifications: 4 KELVIN CLOSED CYCLE CRYOSTAT 4

Warranty ☐ N/A

Base Manufacturer Warranty is acceptable [If you require an Extended Manufacturer Warranty, describe the warranty requirements per item here.] What is included?

☐ Labor ☐ Parts ☐ Travel ☐ Cost and liability for returns ☐ Other: [Enter other requirements here] ☐ Warranty length: [Enter warranty length here] Period Length:1 Year

Training ☒ N/A

[Training requirements (who, when, what, where) here. If on-site, is travel necessary?] ☐ On-site ☐ Off-site location: [Enter location(s) here] ☐ Number of trainees: [Enter number of trainees here] Scope of training:

☐ Operations ☐ Maintenance ☐ Troubleshooting ☐ Safety ☐ Other: [Enter other scope requirements here] ☐ Training materials to be provided: [Describe requirement here] ☐ Other: [Enter other training requirements here] Note: When training is required, TPOC or COR shall be the coordination point.

Inspection and Acceptance ☐ N/A

[Enter inspection requirements per item here] ☐ Planned government acceptance testing (7 business days) ☒ Gov’t acceptance expected to take longer than 7 business days: 21 Days ☐ Inspection and acceptance plan: [Explain here] ☐ Other: [Enter other requirements here]

Maintenance ☒ N/A

[Describe your maintenance requirements per item here] Period Length: [Ex. month, 6 month, year etc.] What is included?

☐ Labor ☐ Spare parts ☐ Consumables ☐ Travel ☐ Cost and liability for returns ☐ Software updates ☐ Manuals ☐ Service plan length: [Enter service plan length here] ☐ Other: [Enter other requirements here] ☐ Requirements: [Enter requirements here] (i.e.: onsite within 72 hours, etc.)

☐ Option Period 1 ☐ Option Period 2 ☐ Option Period 3 ☐ Option Period 4

Government Furnished Material / Equipment ☒ N/A

[List any government furnished material/equipment per item here] ☐ Samples for testing ☐ Government equipment which will leave gov't site (TPOC must coordinate with division property custodian) Serial Number: [Enter Serial Number here] Description: [Enter description here] ire m en ts

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Requirements / Specifications: 4 KELVIN CLOSED CYCLE CRYOSTAT 5

NIST property number: [Enter NIST property number here] ☐ Other: [Enter other details here]

Travel ☒ N/A

[Describe any travel requirements per item here] ☐ Explain: [Explain here] ☐ Other: [Enter other requirements here] Vendor: To the maximum extent possible, include as part of appropriate sections above (maintenance, repair, etc.). Otherwise, it will be a separate line item, reimbursable per the Federal Travel Regulation.

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