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COMPANY RESEARCH · Enabling technology

Leiden Cryogenics

The Dutch manufacturer builds cryogenic platforms that cool quantum chips and their measurement wiring. Its CF-CS110 range supplies configurable laboratory systems; Quper targets faster chip-testing cycles using a tabletop layout.

Official website ↗
Netherlands · Research reviewed 11 Sept 2026

Initial record: initial assessment recorded.

Review history 1 record

Record dates use UTC and show when an assessment or clarification was saved. Review dates show the evidence check. Earlier records were recovered from QubitWire’s source history; no earlier score movement is inferred.

Identity & attribution
Organization record
Leiden Cryogenics (organization-leiden-cryogenics)
Recorded role
Dilution refrigerators, millikelvin quantum-device test environments and cryostat-control integration
Recorded aliases
No aliases recorded in this assessment.
Name and period
No dated name or ownership transition is recorded here. An alias is a search aid, not evidence of a legal ownership relationship.
Product scope
Helium-3/helium-4 dilution refrigeration with customized RF wiring and low-temperature sample access.

A company profile may discuss several systems. Capabilities remain attached to the product and conditions named in each source; they do not transfer automatically to related organizations. A verified security relationship has not been attached to this record.

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TECHNOLOGY & ACCESS

What it does. Where it fits.

Helium-3/helium-4 dilution refrigeration with customized RF wiring and low-temperature sample access.

Who should look closer

Quantum-chip laboratories selecting a configurable millikelvin platform or exploring faster test turnaround.

QubitWire’s editorial assessment of practical fit.

Configured refrigerator systems by enquiry

CF-CS110 systems are offered directly; the Quper page specifies Q4 2026 order acceptance.

Check the current access route ↗
DOCUMENTED EVIDENCE

What the sources establish

IFAE reports a delivered refrigerator entering cooldown. The Quantum Delta NL account describes the separately developed Quper prototype and its OrangeQS Juice controller.

leidencryogenics.nl ↗ifae.es ↗quantumdelta.nl ↗leidencryogenics.nl ↗

What remains unresolved

Cooling specifications are supplier claims. IFAE reported initial cooldown rather than completed base-temperature acceptance; Quper order acceptance is advertised for Q4 2026, so it is not treated as generally shipping.

The next question to watch

Publish sustained cooling-load and turnaround measurements from customer quantum-device testing.

A research question, not a promised milestone.

QubitWire coverage

No published QubitWire stories currently match this organization. The evidence sources below provide the starting point.

Open research questions

Editorial questions for this profile. No reviewed closure decision has been recorded; unanswered questions do not lower the official score.

Open research question

Publish sustained cooling-load and turnaround measurements from customer quantum-device testing.

What evidence would help

A source addressing this question must identify the named system, experiment or deployment, its conditions, measured outcome and remaining limitations. Are performance limits stated under realistic loads and operating conditions?

What would resolve it?

An editorial review must explain which part of this question the evidence resolves. A roadmap or an announcement alone does not close it.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Which named system or service can I use under the documented access route?

What evidence would help

Check the current terms for configured refrigerator systems by enquiry. Identify the system version, eligibility, restrictions and whether the result used hardware or simulation.

What would resolve it?

Current primary documentation must identify the offering, eligible user and access conditions. An unspecified company-level access claim is insufficient.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Are the interfaces compatible with your existing hardware?

What evidence would help

Provide the source location, relevant product or generation, workload, resource constraints and reported uncertainty. Keep measurements, simulations and announced targets distinct.

What would resolve it?

A source reviewer must map the evidence to this exact scope. Missing disclosure remains unknown; it is not technical failure.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence

Questions are drawn from the existing brief and sector reading guide. Research brief reviewed 11 Sept 2026. Following stores a local bookmark; it does not send email alerts or imply a scheduled review.

Since your review

Scope: Leiden Cryogenics. Reading a page never marks its records reviewed.

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Existing material records remain available after setup. Routine rechecks and initial entries are excluded from material counts.

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From claim to assessment

These are the existing assessment claims and their recorded criterion links. A source link is not an independent replication. New research does not change these published ratings automatically.

Source references in method 1.0 · assessment reviewed 11 Sept 2026
Recorded claim & sourceAssessment linkageProvenance & limits
Source 1

Supplier specifies 500–1500 microwatts at 100 mK, model-dependent base temperatures below 8–10 mK, sample access and dense RF wiring.

Leiden Cryogenics CF-CS110 platform ↗Published Not recorded
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Specified millikelvin refrigeration and a completed compact prototype support quantified capability; independently measured full-load acceptance was not located.

Delivery

A defined commercial refrigerator range and a customer-confirmed delivery support accessible equipment; Quper remains a later ordering release.

Integration

The project reports operation with OrangeQS Juice and the product documents RF and cryo-CMOS accommodation.

Published rating inputs remain unchanged.		Organization-originated source

Source type: Vendor technical documentation. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 11 Sept 2026. Research brief reviewed 11 Sept 2026. These dates do not establish publication or experiment dates.

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Source 2

The Quantum Computing Technologies Lab confirms delivery and that initial cooldown is underway; 10 mK is an expectation at publication, not a measured result.

IFAE receives Leiden Cryogenics refrigerator ↗Published 26 Sept 2025
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Delivery

A defined commercial refrigerator range and a customer-confirmed delivery support accessible equipment; Quper remains a later ordering release.

Use in practice

A named laboratory installation in initial cooldown and a controls prototype are specific applications; routine operating outcomes are not established by these sources.

Published rating inputs remain unchanged.		Organization-originated source

Source type: Customer laboratory report. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 11 Sept 2026. Research brief reviewed 11 Sept 2026. These dates do not establish publication or experiment dates.

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Source 3

Project funder reports a compact dilution-refrigerator prototype developed by Leiden Cryogenics and OrangeQS and operated with OrangeQS Juice.

Quper mini-fridge and OrangeQS Juice ↗Published 3 Mar 2026
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Use in practice

A named laboratory installation in initial cooldown and a controls prototype are specific applications; routine operating outcomes are not established by these sources.

Integration

The project reports operation with OrangeQS Juice and the product documents RF and cryo-CMOS accommodation.

Published rating inputs remain unchanged.		Organization-originated source

Source type: Project-funder report. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 11 Sept 2026. Research brief reviewed 11 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 4

Company specifies below 25 mK and a turnaround below 24 hours, identifies a successful prototype project and says orders will be accepted in Q4 2026.

Quper specifications and availability ↗Published Not recorded
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Specified millikelvin refrigeration and a completed compact prototype support quantified capability; independently measured full-load acceptance was not located.

Published rating inputs remain unchanged.		Organization-originated source

Source type: Vendor technical documentation. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 11 Sept 2026. Research brief reviewed 11 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Revision and evidence-family boundaries

Record reference: 0ed26c524847a46df8a3bf4b84147e4f87960a4f2b05dcb1c25d3ef9cc17f3d1. Read prior recorded revisions.

Repeated coverage can describe the same experiment. The assessment does not contain a reviewed claim-family grouping, so the number of links is never shown as a replication count. Source pages can change independently of this saved assessment; the original source text is not archived here.

CHECK THE ORIGINALS

Sources & evidence

  1. Leiden Cryogenics CF-CS110 platform ↗Organization-originated source · Publication date not stated

    Supplier specifies 500–1500 microwatts at 100 mK, model-dependent base temperatures below 8–10 mK, sample access and dense RF wiring.

  2. IFAE receives Leiden Cryogenics refrigerator ↗Organization-originated source · 26 Sept 2025

    The Quantum Computing Technologies Lab confirms delivery and that initial cooldown is underway; 10 mK is an expectation at publication, not a measured result.

  3. Quper mini-fridge and OrangeQS Juice ↗Organization-originated source · 3 Mar 2026

    Project funder reports a compact dilution-refrigerator prototype developed by Leiden Cryogenics and OrangeQS and operated with OrangeQS Juice.

  4. Quper specifications and availability ↗Organization-originated source · Publication date not stated

    Company specifies below 25 mK and a turnaround below 24 hours, identifies a successful prototype project and says orders will be accepted in Q4 2026.

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