1 K prober
Compact ~83 mm cryogenic prober for standard cryostats; ~0.8 K device temps with ~10 mW cooling power.
Cryogenics · Contact supplier
outer_diameter: 83 mm · device_temperature: ~0.8 K · cooling_power_required: ~10 mW
Cryogenics
Dilution refrigerators, cryocoolers, cryostats, and cryogenic wiring/thermalization hardware for mK–K quantum experiments.
- dilution refrigerator
- pulse tube cryocooler
- cryogenic coaxial cable
- mK cryostat
- cryostat RF wiring harness
Products (36)
100 mK prober
Sub-100 mK cryogenic prober for dilution refrigerators with thermal isolation of the positioning stage.
Cryogenics · Contact supplier
sample_temperature: 75 mK · rethermalization_time: < 1 min · thermal_management: Thermal isolator between positioning stage and sample (patent pending)
20 RF-Port Sample Box (YQ-QP-20A)
20-port SMP sample box for high-performance 5–15-qubit QPU measurements with strong shielding and thermalization.
Quantum devices · Contact supplier
part_number: YQ-QP-20A · rf_ports: 20 (SMP) · chip_cutout: 10 × 10 mm
4 K probe station
Joint qprobe–attocube turnkey system for electrical and optical probing at true 4 K.
Cryogenics · Contact supplier
temperature: true 4 K · cryostat_partner: attocube closed-cycle · characterization: Electrical and optical
8 RF-Port Sample Box (YQ-QP-8A)
Compact 8-port SMP sample box with swappable PCB for few-qubit, high-coherence experiments.
Quantum devices · Contact supplier
part_number: YQ-QP-8A · rf_ports: 8 (SMP) · chip_cutout: 10 × 10 mm
Bluefors High-loss Infrared Filter
SMA IR filter optimized DC–~1 GHz (<1.2 dB IL to 700 MHz) for stronger IR blocking on coax lines.
Microwave & RF · Contact supplier
passband_focus: DC-1 GHz · insertion_loss_dc_700mhz: <1.2 dB · return_loss: >10 dB (DC-10 GHz)
Bluefors K/2.92 mm Coaxial Wiring
High-frequency cryogenic coax wiring with K/2.92 mm connectors up to 40 GHz and RF thermalization sets.
Microwave & RF · Contact supplier
max_frequency: 40 GHz · connector: K / 2.92 mm · impedance: 50 Ohm
Bluefors Low-loss Infrared Filter
SMA IR filter optimized DC–8 GHz (<1.3 dB IL) to block high-energy photons on cryogenic coax lines.
Microwave & RF · Contact supplier
passband: DC-8 GHz · insertion_loss: <1.3 dB · return_loss: >20 dB (DC-15 GHz)
Bluefors Semi-Rigid SMA Coaxial Wiring
Factory-installed SMA (to 18 GHz) semi-rigid cryogenic coax with stage attenuators and RF installation sets.
Microwave & RF · Contact supplier
max_frequency_sma: 18 GHz · impedance: 50 Ohm · attenuator_values: 0,1,3,6,10,20,30 dB
Cables & Adapters
Cryo-prober cabling with 25-pin micro-D connectors plus room-temperature feedthrough-to-controller cables.
Cryogenics · Custom
cryo_connectors: 25-pin micro-D · covers: Positioner, heater, sensor, probe card · rt_cable: Cryostat feedthrough to control hardware
Coldfinger & Shielding Set
OFHC cold finger with mu-metal/Al shields hosting 1×20-port or 2×8-port sample boxes.
Cryogenics · Contact supplier
part_numbers: YQ-CF-20A / YQ-CF-20B · rf_ports: 20 (SMP) · hosts: 1×20-port or 2×8-port sample boxes
Compact MFT25 Filter Box
25-line cryogenic MFT box with Micro-D connectors; optional 2-pole RCRC kHz cutoff stage.
Microwave & RF · Contact supplier
channels: 25 · connectors: Micro-D · dimensions: 30 x 56 x 68 mm
Cri/oFlex® Flux Bias Line
NbTi superconducting flex bias lines with integrated LPF, IR filter, and attenuator for qubit/coupler tuning.
Microwave & RF · Contact supplier
platform: NbTi Cri/oFlex · bias_band: up to 1 GHz · integrated: LPF + IR filter + attenuator
Cri/oFlex® I/O Systems
Pre-assembled cryogenic loaders/probes and cabling kits from 8–256 channels per port with HD SMP options.
Microwave & RF · Contact supplier
channels_per_port: 8-256 · connectors: HD SMP, SMP, SMA, HD SMPM · feedthrough_leak_rate: <1.2e-9 mbar·L/s
Cri/oFlex® Microwave Drive Line
High-density flex microwave drive/feed/pump lines with distributed attenuation for 6–8 GHz qubit control.
Microwave & RF · Contact supplier
typical_band: 6-8 GHz · channels_per_flex: 8 · flex_thickness: 0.3 mm
Cri/oFlex® Signal Line
Ag or NbTi multi-channel flex signal lines without integrated components for general cryogenic RF I/O.
Microwave & RF · Contact supplier
materials: Ag or NbTi on polyimide · nbti_loss: 1.5 dB/m @ 6 GHz · contact_resistance: <10 mOhm
Cryo Flux BiasT Array (YQ-CBT12-1G)
12-channel cryogenic BiasT array, 10 kHz–1 GHz / 50 Ω, for scalable flux-biasing with low thermal load.
Microwave & RF · Contact supplier
part_number: YQ-CBT12-1G · channels: 12 · rf_frequency: 10 kHz – 1 GHz
Cryo-prober
80 mm non-magnetic cryogenic probing unit (3-axis piezo, probe card, sample holder) operating to ~800 mK.
Cryogenics · Contact supplier
diameter: 80 mm · min_sample_space: > 85 mm · operating_temperature: down to 800 mK
CryoCoax Cryogenic Cable Assemblies
Custom cryogenic RF cable assemblies (SS, CuNi, BeCu, NbTi) with cryogenic connectors and adapters.
Microwave & RF · Custom
materials: SS, CuNi, BeCu, NbTi · application: quantum / cryogenics RF I/O
CryoCoax NbTi–NbTi 0.085″ Coax Cable
Superconducting NbTi/NbTi semi-rigid coax (BCB002) for cryogenic RF; ~61 GHz operating frequency.
Microwave & RF · Custom
outer_dia: 0.085 in · impedance: 50 Ohm · operating_frequency: 61 GHz
Cryogenic probe cards
Custom cryogenic DC/RF probe cards (>100 DC, tens of RF) designed and validated for low-temperature probing.
Sensing & readout · Custom
dc_probes: > 100 · rf_probes: tens · customization: Number, arrangement, and properties match bonding pad layout
Flanges & Inserts
Custom flanges, cryostat inserts, and sample sticks for mounting the cryo-prober and microscope (≥85 mm sample space).
Cryogenics · Custom
min_sample_space: 85 mm · options: Flanges, complete cryostat insert, or sample stick with wiring · manufacturing: In-house
HD Filter Array (YQ-HD12LPF-1G)
Ultra-compact 12-channel LP + IR filter array, DC–1300 MHz / 50 Ω, for flux-line filtering.
Microwave & RF · Contact supplier
part_number: YQ-HD12LPF-1G · channels: 12 · rf_frequency: DC – 1300 MHz
IR-Filter (YQ-IR-110A)
Cryogenic infrared filter for microwave signals, DC–10 GHz / 50 Ω, SMA, Eccosorb CR 110.
Microwave & RF · Contact supplier
part_number: YQ-IR-110A · rf_frequency: DC – 10 GHz · impedance: 50 Ω
Low Noise High Resolution DAC IIa (SP1085)
12/24-channel ultra-low-noise 24-bit DAC (±10 V, 1.2 µV steps) for cryogenic gate control with AWG and adaptive 2D scans.
Control electronics · Contact supplier
part_number: SP1085 · channels: 12 or 24 · resolution: 24 bit
Low Noise High Stability I to V Converter (SP983c)
Ultra-low-noise floating-input I/V converter, gain 10⁵–10⁹ V/A, for dilution-fridge current readout.
Sensing & readout · Contact supplier
part_number: SP983c · gain: 10^5 to 10^9 V/A · lpf_cutoff: 30 Hz to 100 kHz
Microscope head
Stable cryostat microscope head with LED, camera, focus, and tilt control for live imaging of the cold chip.
Sensing & readout · Contact supplier
features: LED, camera, focus control, 2-axis tilt control · objective: Mounted inside cryostat if needed · field_of_view: Depends on optical path length inside cryostat
mK probe station
Turnkey probe station to ~10 mK on a fast Qinu table-top cryostat (~5 h cooldown), with magnetic-field option.
Cryogenics · Contact supplier
base_temperature: 10 mK · cooldown_time: ~5 hours (RT to base) · cryostat_partner: Qinu optical table-top
QFilter / QFilter-II Multi-Stage Low-Pass Filter
24-line cryogenic RC+RF low-pass filter banks for mK electron temperatures on DC/RF control lines.
Microwave & RF · Contact supplier
channels: 24 (standard RC+RF) · rc_cutoff: ~65 kHz · rf_cutoff: ~225 MHz
Quantum Coax Custom Cryogenic Cable Assemblies
Build-to-order cryogenic RF assemblies: select cable material/length and connectors (incl. non-magnetic).
Microwave & RF · Custom
materials: NbTi and other cryogenic coax options · nbti_min_length: ~2 in · testing_standard: continuity + high-R short
Radiall CRYONIUM™ Infrared Filters
Multi-channel (e.g. 16-way) IR absorber filters for cryogenic quantum RF lines near 10 mK.
Microwave & RF · Contact supplier
channels_example: 16-way · function: IR absorption / crosstalk reduction · target_temp: ~10 mK
Radiall CRYONIUM™ Module Attenuator 32 Ways
32-channel cryogenic attenuator module (D1M267TE family) for dense quantum RF thermalization.
Microwave & RF · Contact supplier
channels: 32 · part_ref: D1M267TE · application: cryogenic RF thermalization
RT Flux BiasT (YQ-BT-2G)
Room-temperature flux BiasT, 10 kHz–2 GHz / 50 Ω, for high-fidelity flux-tunable superconducting qubit control.
Microwave & RF · Contact supplier
part_number: YQ-BT-2G · rf_frequency: 10 kHz – 2 GHz · impedance: 50 Ω
Single MFT Microwave Filter and Thermalizer
Single-line cryogenic microwave filter/thermalizer with >100 dB attenuation above 130 MHz for mK experiments.
Microwave & RF · Contact supplier
attenuation: >100 dB above 130 MHz · impedance_capacitance_options: ~100 Ω & 2.5 nF @ 4K or ~25 mΩ & 2.5 nF @ 4K · resistance_to_ground: > 1 TΩ
SlimMFT25 Filter Box
Ultra-compact 25-line MFT box (~⅓ volume of compact MFT25) for 10 mK mounting; optional RCRC/π stage.
Microwave & RF · Contact supplier
channels: 25 · connectors: Micro-D · dimensions: 12 x 49 x 68 mm (12 x 49 x 88 mm with RCRC or π stage)
SlimMFT8 Package
Ultra-compact 8-line MFT package for small cryostat inserts; stackable up to 48 lines in a 50 mm insert.
Microwave & RF · Contact supplier
channels_per_package: 8 · max_stacked: 6 packages (48 lines) in 50 mm insert · dimensions: 51 x 21 x 3.2 mm
Companies (10)
Basel Precision Instruments
Ultra-low-noise DAC, preamps, I/V converters, and cryogenic microwave filter/thermalizer units for quantum and mK experiments.
Control electronics · Microwave & RF · Cryogenics · Sensing & readout · Basel, CH
WebsiteBluefors
Cryogenic measurement infrastructure including coaxial wiring, IR filters, and multi-channel RF installation sets.
Cryogenics · Microwave & RF · Helsinki, FI
WebsiteCryoCoax (Intelliconnect)
Cryogenic and superconducting RF coax cable assemblies, connectors, and attenuators for quantum labs.
Microwave & RF · Cryogenics · Witham, GB
WebsiteDelft Circuits
Cri/oFlex® high-density superconducting flex I/O with integrated attenuators and filters for cryogenic quantum systems.
Microwave & RF · Cryogenics · Delft, NL
WebsiteIntelliconnect
Parent of CryoCoax; RF interconnect manufacturer supplying cryogenic cable, connectors, and subsystem builds.
Microwave & RF · Cryogenics · Witham, GB
Websiteqprobe
Cryogenic probe stations and compact cryo-probers for high-throughput quantum device testing down to millikelvin.
Cryogenics · Quantum devices · Sensing & readout · Basel, CH
WebsiteQuantum Coax
Custom cryogenic RF cable assemblies in NbTi, phosphor-bronze, stainless, and related materials for quantum labs.
Microwave & RF · Cryogenics · Bozeman, US
WebsiteQuantum Machines (QDevil)
QFilter multi-stage cryogenic low-pass filters for millikelvin electron temperatures on DC/RF signal lines.
Microwave & RF · Cryogenics · IL
WebsiteRadiall
CRYONIUM™ cryogenic microwave interconnects: attenuators, IR filters, cables, and multi-channel modules to ~10 mK.
Microwave & RF · Cryogenics · FR
WebsiteYQuantum
Cryogenic microwave components, flux BiasTs, IR/LP filters, and QPU sample-box packaging for superconducting qubit systems.
Microwave & RF · Quantum devices · Cryogenics · Villigen, CH
Website