Indium Corporation's Brook Sandy-Smith, technical support engineer for PCB assembly materials, discusses with I-Connect007 Technical Editor Pete Starkey the ionic process residues on PCB assemblies and introduces the concept of "PMI-squared" (process material interaction investigation), the topic of an IPC Technical Buzz Session at IPC APEX EXPO 2018.
She also discusses the latest developments regarding ROSE testing, and new criteria to measure the cleanliness of cleaned assemblies.