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COMPANY RESEARCH · Enabling technology

Rosenberger

Rosenberger develops the RF connections that carry signals between control electronics and cold quantum chips. Its quantum portfolio combines cables, multiport connectors, thermal anchoring, attenuation and vacuum transitions.

Official website ↗
Germany · 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.

  1. Initial assessment recorded

    Assessment reviewed 11 Sept 2026 · Research reviewed 11 Sept 2026

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    Sources in this record (2)
Identity & attribution
Organization record
Rosenberger (organization-rosenberger)
Recorded role
Cryogenic RF connectors, multiport wiring, vacuum feedthroughs, attenuators and quantum-system interconnect R&D
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
Non-magnetic coaxial and multichannel electrical interconnects routed through cryostat thermal stages.

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.

Non-magnetic coaxial and multichannel electrical interconnects routed through cryostat thermal stages.

Who should look closer

Quantum hardware engineers designing dense RF wiring and cryostat feedthroughs.

QubitWire’s editorial assessment of practical fit.

Standard and custom RF interconnects

Product configurations and a worldwide engineering and sales contact network are documented in the quantum brochure.

Check the current access route ↗
DOCUMENTED EVIDENCE

What the sources establish

The supplier publishes geometric and electrical specifications and identifies two quantum-development projects. Some explicitly stated tests are performed at room temperature.

rosenberger.com ↗rosenberger.com ↗

What remains unresolved

The brochure distinguishes room-temperature RF and leak testing from cryogenic design claims. The project pages describe development objectives, not completed quantum-processor outcomes.

The next question to watch

Report complete cryogenic loss, thermal-load and reliability results in an external quantum installation.

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

Report complete cryogenic loss, thermal-load and reliability results in an external quantum installation.

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 standard and custom rf interconnects. 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: Rosenberger. Reading a page never marks its records reviewed.

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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

Documents 16/32-channel WSMP assemblies, 2.45 mm pitch, DC–65 GHz specification, thermal anchoring and room-temperature per-line RF testing.

Rosenberger Cryogenic and Quantum Technology brochure ↗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

Quantified interface specifications and stated production testing support component-level capability, without proving the full specification across millikelvin operation.

Delivery

Standard and customized quantum-oriented assemblies have documented configurations and commercial contact routes.

Integration

Mechanical dimensions, thermal-stage adaptors, connector standards and PCB interfaces supply usable engineering guidance.

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

Describes qBriqs connector/attenuator work and qSolid development of low-temperature multiport connectors and flat-ribbon wiring.

Rosenberger quantum technology projects ↗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.

Use in practice

Named qBriqs and qSolid work defines intended quantum applications; the reviewed pages do not report completed external operating results.

Integration

Mechanical dimensions, thermal-stage adaptors, connector standards and PCB interfaces supply usable engineering guidance.

Published rating inputs remain unchanged.		Organization-originated source

Source type: Vendor project 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: ef4a353cadcb39a01904342ee542ffeb63e8cfdb52a4bb3c8846af6ded1237b8. 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. Rosenberger Cryogenic and Quantum Technology brochure ↗Organization-originated source · Publication date not stated

    Documents 16/32-channel WSMP assemblies, 2.45 mm pitch, DC–65 GHz specification, thermal anchoring and room-temperature per-line RF testing.

  2. Rosenberger quantum technology projects ↗Organization-originated source · Publication date not stated

    Describes qBriqs connector/attenuator work and qSolid development of low-temperature multiport connectors and flat-ribbon wiring.

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