Technical Notes

Comprehensive technical documentation and application notes for vibration isolation systems.

📚 18 Technical Documents🌐 English/Korean🔬 Expert Knowledge

Fundamentals of Vibration

Learn the basic principles and theory of vibration isolation systems. Covers classification of vibration, measurement units, natural frequency, resonance, and more.

ClassificationMeasurement UnitsNatural FrequencyResonanceIsolation Theory

Generic Vibration Criteria

Understand the globally recognized VC curve standards. Explains equipment-specific vibration criteria and octave band analysis methods.

VC CurvesOctave BandsISO StandardsEquipment CriteriaMeasurement

Active Vibration Isolation System

Discover active isolation technology using sensors and actuators. Explains feedback/feedforward control algorithms and 6-DOF control.

Feedback ControlFeed-Forward6-DOFLow FrequencyActuators

Passive Vibration Isolation System

Learn the principles of passive isolation using springs and dampers. Explains the relationship between transmissibility, natural frequency, and damping ratio.

TransmissibilityNatural FrequencyDamping RatioPneumatic SpringHarmonic Oscillator

Active vs. Passive Vibration Isolation

Transmissibility intuition, the damping trade-off, and a floor-survey decision checklist for choosing between active and passive isolation.

TransmissibilityDamping Trade-offFloor SurveyDecision ChecklistHybrid Labs

How Active Vibration Cancellation Works

A walk through the signal chain — sensing, DSP control, and actuation — including low-frequency sensing, loop stability, and 6-DOF control.

Signal ChainGeophone SensingDSP ControlLoop Stability6-DOF

Vibration Isolation for SEM & AFM

How floor vibration corrupts SEM images and AFM data, how to read VC criteria, and how to match isolation platforms to each instrument.

SEM BlurAFM Z-NoiseColumn LeverVC CriteriaPlatform Matching

How to Choose a Vibration Isolation Platform

Passive or active, table or platform — the order in which the selection decision actually gets made, and the five questions to put to a supplier before you sign.

Site SurveyPassive vs ActiveInstrument MatchingLoad & GeometrySupplier Questions

How to Choose a Vibration Isolation Platform

How to Choose an Optical Table

From honeycomb structure to table grades, breadboard trade-offs, support matching, and sizing — a practical guide to the buying decision.

Honeycomb CoreTable GradesBreadboardsSupport ChoiceSizing

Faraday Cage Limits in Precision Labs

Where shielding ends — magnetic fields and floor vibration — and why electron microscopes pair EMI control with magnetically quiet active isolation.

How Shielding WorksE-field vs B-field0.05 μT EmissionIsolation PairingDVIA Bridge

Vibration Isolation for Semiconductor Metrology

Why metrology tools are vibration-limited, which VC criteria apply, the raised-floor problem, and choosing active-pneumatic vs. base platforms.

CD-SEM & InspectionVC CriteriaFab FloorsDVIA-PDVIA-MB

Vibration Isolation for Semiconductor Metrology

Electron Microscopes: How They Work

How electron microscopes work, SEM vs. TEM, the installation environment that limits real-world resolution, and matching DVIA isolation.

How It WorksSEM vs TEMResolution LimitsVC CriteriaDVIA-ML

Vibration Isolators: Types & Selection

A field guide to vibration isolators — the physics every type shares, where elastomer, spring, and pneumatic mounts fit, and when only active isolation will do.

Vibration IsolatorsTransmissibilityPneumatic IsolatorsActive IsolationVC Criteria

Feedforward Control Explained

How feedforward control cancels a disturbance before it arrives, why it always pairs with feedback, and where it earns its keep in active vibration isolation.

Feedforward ControlFeedback ControlActive IsolationTransfer PathLow Frequency

Vibration Sensors: How They Work

A practical guide to vibration sensors: how accelerometers, geophones, and non-contact probes work, and how closed-loop active isolation platforms put them to work.

Vibration SensorsAccelerometersGeophonesSensor SelectionActive Isolation

Electron Microscope Room Requirements

What the site survey checks — vibration, magnetic fields, acoustics, airflow — with a pre-installation checklist built from 1,000+ installations.

Site SurveyVC LimitsMagnetic FieldsAcousticsChecklist

How Much Floor Vibration Can an SEM Tolerate?

The SEM floor vibration spec explained — which VC curve applies, one-third-octave measurement, vendor spec sheets, and what to do when the floor fails.

VC-D LimitFloor SurveySpec SheetsFloor ChoiceRemedies

How Much Floor Vibration Can an SEM Tolerate?

Vibration Isolation for AFM

Why AFM is the most vibration-sensitive instrument you own, where Z-noise comes from, and how to pick between tabletop and modular active platforms.

Z-NoiseTip-Sample GapSite LimitsDVIA-TDVIA-ULF

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