Sensors (Temp/IR): Output Signal Accuracy Calibration and Response Time Testing
You've sourced a batch of temperature or infrared sensors from a Chinese manufacturer. The datasheet...
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Components Factory Audit: ESD Workshop Standards and Moisture Sensitive Level (MSL) Control
You've placed an order for electronic components — sensors, ICs, passive devices — and the factory l...
Semiconductors & Chips: How to Identify Refurbished or Counterfeit Components
A counterfeit integrated circuit does not announce itself. It arrives in branded packaging, with a p...
PCBA Inspection: Using AOI and X-Ray to Detect Soldering Defects
A solder bridge connecting two adjacent pads on a densely packed PCB. A void trapped beneath a BGA b...
E-Readers: E-Ink Display Ghosting Artifact Benchmarking and Page-Turn Latency Standards
You've sourced a batch of e-readers from a Chinese factory. The supplier's samples looked clean. But...
Drones QC: Flight Stability, Hovering Precision, and Video Transmission Range Tests
You order 500 consumer drones from a Chinese factory. The spec sheet looks solid — 30-minute flight ...
