| 1. Vibration, Shock & Drop Test |
• Purpose |
| – To simulate road, air, sea transportation and other vibration loads |
| including repetitive / non-repetitive shocks / bumps |
| – To search for vibration resonance |
| – To screen out defective / poor quality components / products |
| – To verify package ruggedness / fragility due to mishandling, physical |
| impact, shipment |
| – To compare robustness of packaging design, packaging materials |
• Random Vibration |
| • Sine Sweep |
| • Resonance Search & Dwell |
| • Sine-on-random |
• Random-on-random |
• Package Drop |
| 2. Combined Temperature, Humidity with Vibration Test |
• Purpose |
| – To simulate combined effects of temperature, humidity and vibration |
| stresses experienced during operation, handling and transportation |
| 3. Climatic Test |
• Purpose |
| – To simulate adverse hot / cold / humid conditions during storage, |
| operation and transportation |
| – To simulate effects of low pressure |
| – To screen out defective / poor quality components / products |
| – To simulate storage or palletised & stacked products |
| – To determine operating limits, improve reliability |
| – To evaluate non-hermetic packaging of solid state equipment in humid |
| environment |
| – To uncover latent defects in product design, component selection, |
| manufacturing |
| – To screen manufacturing related weakness |
• Temperature Storage |
| • Temperature / Humidity Cycling |
| • Temperature, Humidity & Altitude Storage / Cycling |
| • Thermal Shock |
• Highly Accelerated Stress Testing |
|
| 4. Highly Accelerated Life Testing (HALT) / Highly Accelerated Stress |
| Screening (HASS) |
• Purpose of HALT |
| – To find the weak links in the design and fabrication processes during the |
| design phase by using stimuli including all axes vibration, broad range |
| thermal cycling, burn-in, over-voltage, voltage cycling |
• Purpose of HASS |
| – To screen and detect latent defects in regular production units in the |
| shortest possible time |
• Rapid High and Low Temperature Cycling |
• Random Vibration |
| 5. Salt Fog |
• Purpose |
| – To test and compare corrosion resistance |
| 6. Electrostatic Discharge Simulation |
• Purpose |
| – To determine the reliability and safety of the test item to withstand |
| electrostatic discharge generated during handling and transportation |
| conditions |
| 7. Reliability Testing for Restricted Hazardous Substances (RoHS) |
• Purpose |
| – To grow and evaluate tin-whiskers in electroplated surfaces containing |
| tin in lead-free soldering |
|
|
| 8. Engineering Measurement & Analysis |
• Purpose |
| – To provide engineers with laboratory and field engineering measurement |
| capabilities for structural and dynamic analysis |
• Field and Laborayory Measurement of Stresses, Strain, Vibration, Shock, |
| Noise, Pressure, Temperature, Fatigue |
| • Multi-channel Data Instrumentation and Data Acquisition |
| • High Speed Video Camera (Up to 2,000 frames per sec) |
• Structural Analysis |
| • Modal and Frequency Response Analysis |
| • Rigid Body Simulation |
| • Vibro-acoustic Simulation |
• Noise, Vibration and Shock Control Services |
• Human Factor Engineering in Ergonomics |
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| 9. Equipment Capabilities |
• Electro-dynamic Shakers |
| – Frequency Range: 5 to 2000Hz |
| – Max Force: 200kN (Sine & Random) |
| – Max Shock: 200g |
• Combined Shaker and Chamber |
| – Frequency Range: 5 to 2000Hz |
| – Max Force: 10kN (Sine), 10kN (Random) |
| – Max Shock: 300g |
• Free Fall Drop Tester |
| – Max Drop Weight: 50kg |
| – Drop Height: 25 to 100cm |
• Impact Drop Tester |
| – Max Impact Shock: 5,000g at 0.3ms Half Sine |
| – Max Drop Height: 2.5m |
| – Max Free Fall Velocity: 7m/s |
| – Max Specimen Weight: 50kg |
• Temperature / Humidity / Altitude Walk-in Chamber |
| – Max Size: 2m W x 2.5m L x 2m H |
| – Temperature Range: -70 to 100 deg C |
| – Relative Humidity: 10 to 95% |
| – Lowest Pressure: 50mbar (or 65,000ft) |
| – Max Rate of Temperature Change: 5 deg C/min |
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• Temperature / Humidity Walk-in Chamber |
| – Max Size: 1.6m W x 3m L x 2m H |
| – Temperature Range: -40 to 80 deg C |
| – Relative Humidity: 10 to 95% |
| – Max Rate of Temperature Change: 2 deg C / min |
• Temperature / Humidity Chambers |
| – Max Size: 1m W x 1m L x 1m H |
| – Temperature Range: -70 to 200 deg C |
| – Relative Humidity: 10 to 98% |
• Temperature Shock Chambers |
| – Temperature Range: -70 to 160 deg C |
| – Transfer Time: Less Than 20sec air-to-air |
• Temperature Stress Screening Chamber |
| – Test Volume:: 58cm W x 62cm L x 75cm H |
| – Temperature Range: -70 to 200 deg C |
| – Max Rate of Temperature Change: 20 deg C / min |
• Highly Accelerated Stress Chamber |
| – Max Temperature: 160 deg C |
| – Max Humidity: 100% |
| – Max Pressure: about 4 bar |
• Salt Fog Chamber |
| – Max Size: 1.25m W x 0.9m L x 1.1m H |
| – Temperature Range: Ambient to 50 deg C |
| – Salt Concentration: 5% |
• HALT / HASS Chamber |
| – Test Volume: 36" L x 36" W x 30" H |
| – Temperature Range: -100 to 200 deg C |
| – Temperature Ramp Rate: Up to 60 deg C / min |
| – Vibration Level: Up to 60 grms Bare Table from 5 to 5,000 Hz |
| – Vibration Table: 30" by 30" |
• ESD Simulator |
| – Air and Contact Discharge Modes, Remote Operation |
| – Output Voltage: 0.2 to 30kV |
| – Accredited to IEC 61000-4-2, EN 61000-4-2, Mil-Std 1576 Method 2205, |
| SAE J1113-13 |
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