KURASHIKI MT-0817 AFM Soundproof Enclosure with Integrated Vibration Isolation
| Brand | KURASHIKI |
|---|---|
| Origin | Japan |
| Model | MT-0817 |
| Weight | ~560 kg |
| Acoustic Isolation Range | 16 Hz to 8 kHz |
| Application | Atomic Force Microscopy (AFM), Scanning Probe Microscopy (SPM), Laser Scanning Microscopy |
Overview
The KURASHIKI MT-0817 AFM Soundproof Enclosure is an engineered acoustic and vibrational isolation solution specifically designed for ultra-high-resolution scanning probe microscopy applications. It integrates a rigid, mass-loaded enclosure with a precision vibration-isolation platform to suppress both airborne noise and structure-borne mechanical disturbances—two primary sources of signal degradation in atomic force microscopy (AFM) and related SPM techniques. The enclosure operates on the principle of mass-law attenuation combined with multi-layer damping architecture, achieving broadband acoustic isolation from 16 Hz (deep subsonic) up to 8 kHz (upper audible range). This performance envelope directly addresses the sensitivity of cantilever deflection detection systems—particularly optical beam bounce and interferometric readout—to low-frequency environmental excitations (e.g., HVAC rumble, footfall, building resonance) and mid-to-high-frequency airborne noise (e.g., speech, equipment fans). Its design complies with ISO 10848-3 and ASTM E90 test methodologies for sound transmission loss evaluation, ensuring traceable, repeatable acoustic performance.
Key Features
- Monolithic steel-reinforced laminated construction with constrained-layer damping panels to minimize panel resonance and internal reverberation
- Integrated passive pneumatic or elastomeric vibration isolation base (configurable per installation site requirements), decoupling the enclosed instrument from floor-borne vibrations
- Hermetically sealed access ports with RF-shielded optical feedthroughs and low-noise electrical conduits for laser alignment, detector cabling, and control signals
- Double-glazed, acoustically graded viewing window with anti-reflective coating optimized for visible and near-infrared wavelengths used in AFM optical levers
- Modular interior lining with non-outgassing, static-dissipative acoustic foam compliant with ISO 14644-1 Class 5 cleanroom specifications
- Structural mass of approximately 560 kg provides inherent low-frequency inertial stability, minimizing resonant amplification below 20 Hz
Sample Compatibility & Compliance
The MT-0817 accommodates standard AFM platforms—including Bruker Dimension Icon, Keysight 5500, Park Systems XE-series, and Nanosurf FlexAFM—as well as custom SPM configurations with maximum footprint dimensions of 800 mm × 600 mm × 650 mm (W × D × H). Internal clearance allows unobstructed Z-scanner travel and tip-sample approach without interference. All materials meet RoHS Directive 2011/65/EU and REACH Annex XVII restrictions. The enclosure’s acoustic performance is validated per ISO 717-1 for weighted sound reduction index (Rw) and supports GLP-compliant documentation packages for audit readiness. Optional integration with real-time vibration monitoring sensors (e.g., seismometer-grade accelerometers) enables continuous environmental qualification per ISO 20816-1 for laboratory vibration criteria.
Software & Data Management
While the MT-0817 is a passive hardware system, its operational integrity is monitored via optional digital environmental logging modules. These modules record broadband RMS acceleration (1–1000 Hz), A-weighted sound pressure level (SPL), and temperature/humidity trends—data exported in CSV or HDF5 format for correlation with AFM image quality metrics (e.g., line roughness, phase noise floor, thermal drift rate). The system supports time-synchronized logging with third-party AFM acquisition software (e.g., NanoScope Analysis, Gwyddion) via TTL triggers or Ethernet-based NTP synchronization. Audit trails comply with FDA 21 CFR Part 11 requirements when deployed in regulated QC environments, including electronic signatures, user access controls, and immutable data archiving.
Applications
- Atomic force microscopy (AFM) in tapping, contact, and non-contact modes requiring sub-piconewton force resolution
- Scanning tunneling microscopy (STM) and conductive-AFM (C-AFM) where electronic noise coupling must be minimized
- Laser Doppler vibrometry (LDV) and photothermal microspectroscopy setups sensitive to optical path perturbations
- Low-temperature SPM experiments conducted in cryostat-integrated configurations (with optional thermal break interface)
- Calibration laboratories performing ISO/IEC 17025-accredited nanomechanical measurements under controlled acoustic/vibrational conditions
FAQ
What is the recommended floor vibration specification for optimal MT-0817 performance?
For full utilization of its isolation capability, the supporting floor should meet VC-E or better per ISO 20816-1 (≤ 1.2 µm/s RMS between 1–100 Hz). Site surveys are advised prior to installation.
Can the enclosure be modified for vacuum or inert-gas purged operation?
Yes—custom feedthroughs, gas-tight seals, and purge port integration are available under engineering consultation; all modifications retain acoustic integrity per ISO 10848-3.
Is electromagnetic shielding included as standard?
The base configuration provides incidental EMI attenuation (~20–30 dB above 100 MHz) via conductive gasketing; full Faraday cage integration (≥60 dB from 10 kHz–18 GHz) is offered as an option.
Does the MT-0817 require periodic recalibration or maintenance?
No active calibration is required; however, annual verification of isolation performance using reference accelerometers and sound calibrators is recommended for ISO/IEC 17025 compliance.
