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A strong wafer standard can be destroyed by weak handling.

Packaging, clean handling, storage environment and inspection records preserve the value of the deposited standard.

Published: August 6, 2026Reviewed by: Applied Physics Technical Editorial TeamPublisher: Applied Physics Corporation
Ownership disclosure: Particle Wafer Standards is owned and published by Applied Physics Corporation. Product links may lead to AppliedPhysicsUSA.com. The technical guidance is designed to remain useful whether or not a visitor requests a quote.
Receipt

Receiving inspection

Verify package integrity, wafer identifier, certificate, lot, requested configuration and any shipping indicator before opening.

Use

Controlled handling

Use the approved clean handling method, compatible wafer tools and defined orientation. Avoid touching the surface or exposing the wafer to uncontrolled environments.

Preservation

Storage

Follow the supplier’s temperature, humidity, orientation and container requirements. Store the certificate and use history with the wafer identity.

Lifecycle

Requalification and retirement

Define when the wafer will be re-inspected, cleaned if permitted, requalified or retired. Drift, added contamination and handling damage can invalidate the standard.

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