Our 2 MEMS facilities include over 2,300m² (25,000sq ft) of MEMS production, assembly, packaging, test and characterization areas. We offer a complete portfolio of equipment and process steps to fulfill an extensive range of development and custom process manufacturing requirements. Our two 6” wafer MEMS fabs excel at a variety of silicon, SOI and glass wafer processing capabilities:

Design, Modelling and Simulation
- Coventor MEMS Designer
- Mentor Graphics
- COMSOL Multiphysics (FEM)
- Matlab Simulink

Characterization
- Automatic static and dynamic wafer probers
- Product-specific characterization benches
- High-precision position and rate table
- Rotation stage for low-G accelerometer
- Pressure sensor bench
- Fluid flow characterization bench….

Reliability Testing
- Drop tower shock test (20,000G)
- Centrifuge (26,000G)
- Climatic chambers (T°, H°)
- Vacuum packaging ageing bench
- Bond tester (pull, push, shear and peel tests, tweezer)

Planning, Traceability and Quality Control
- Integrated MES (Manufacturing Execution System)
- Production planning system
- WIP tracking system
- Traceability system from materials supply to final tests
- FMEA methodologies and tools
- SPC/QPC
- Equipment and process Cp/Cpk controls

Lithography
- On-track resists coating and developing
- Double-side alignment
- Steppers
- Proximity and contact photolithography
- Shadow masks and lift-off processes

DRIE Deep Dry Etching
- Deep Reactive Ion Etching with ICP reactors (Bosch Process)
- High Aspect Ratio (up to 1:30) DRIE Micromachining
- Deep trench DRIE plasma etching
- Laser drilling

RIE and Plasma Etching
- RIE: Si, PolySi, SiO2 and Si3N4 etching
- O2 plasma etchers

Wet Chemical Etching
- Automatic Wet benches
- KOH and TMAH Silicon etching
- SiO2 and Si3N4 etching
- HF sacrificial oxide release
- Metal etching

Thin Film Deposition and Electroplating
- POCL3 Doped Poly
- LPCVD: Thick Poly > 1µm, SiO2 and Si3N4
- PECVD: SiO2 and Si3N4 low stress
- TEOS and LOCOS
- Sputtering and evaporation: Al,Cr, Au, Ti, TiN, W, Al, Cu, Ni, Pt…
- Electroplating: Au, SnPb, FeNi, Ni, Cu…
- Thin and thick PZT actuator deposition
- Annealing and thermal treatment
- Epitaxy and implantation (sub-contracted)

Wafer Bonding
- Silicon direct fusion bonding SDB
- Eutectic bonding
- Thermo-compression bonding
- Glass Frit bonding
- Anodic bonding
- Low Temp Polymer sealing

Metrology
- Digital Holographic Microscopes (3D topography, dynamic behaviour…)
- Scanning Electron Microscopes (SEM)
- Surfscan, on wafer particles control
- Profilometers
- Optical and IR microscopes
- Ultra-sonic, X-Ray, etc… through sub-contractors

Wafer Level Testing
- Automatic Electric Wafer Probers
- Dynamic on wafer probers (pressure, gyro)
- Impedance meter, 4 points probers
- Wafer mapping software system

Thinning, Grinding,
Polishing, Dicing
- Wafer thinning
- Grinding and Dry polishing
- Chemical Mechanical Polishing (CMP)
- Dicing of silicon and glass wafers

Assembly and Packaging
- Custom and Standard packages assembly
- Pick and place die bonder
- Automatic and manual wire bonder
- Precision welder
- High vacuum encapsulation with getter activation
- Flip-Chip mounting

Testing
- Product- and application-specific tests
- Static and dynamic dies test benches
- Static and dynamic components test benches
- Network analyser (Q factor, resonant and cut-off frequency…)
- Anti-sticking burn-in test
- Vacuum packaging ageing test
- Microfluidics component tests
