Multi-stage cleaning processes: ultrasonic cleaning, DI water rinsing, acid passivation, and final drying.
Use of cleanroom-compatible chemicals, equipment, and procedures.
Final packaging performed in cleanroom conditions using UHV-compatible bags.
Surface cleanliness standards must be met: no visible residues, fingerprints, or particulates.
Inspection may include particle count, non-volatile residue (NVR) testing, and UV light inspection.
Proper handling and packaging techniques, including cleanroom-certified gloves/tools and potential double-bagging with nitrogen purge.
Aerospace
