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PCBA Inspection: Using AOI and X-Ray to Detect Soldering Defects

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...

Consumer Electronics QC Flow: Key Control Points from IQC to PSI

Consumer Electronics QC Flow: Key Control Points from IQC to PSI

When a batch of Bluetooth speakers or wireless earbuds fails inspection at the Amazon fulfillment ce...

Connectors & Terminals: Insertion/Withdrawal Force Testing and Contact Resistance Checks

Connectors & Terminals: Insertion/Withdrawal Force Testing and Contact Resistance Checks

A connector that inserts too easily may back out under vibration. One that requires too much force m...

VR/AR Headsets: Lens Optical Distortion Testing and Wearable Comfort Checks

VR/AR Headsets: Lens Optical Distortion Testing and Wearable Comfort Checks

Consumer VR/AR headsets have moved from novelty to mainstream — and with that growth comes a sourcin...

E-Readers: E-Ink Display Ghosting Artifact Benchmarking and Page-Turn Latency Standards

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

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 ...