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COATINGS
Conformal Coating Challenges:Detection, Rework and Failure Analysis, Part II

Understanding coating chemistry dictates the removal strategy. Here, the authors investigate the challenges of conformal coating removal and a design of experiments to enable rework and failure analysis. Special cases where conventional detection of the conformal coating fails are also addressed.
by Priyanka Dobriyal, Suriyakala Ramalingam, Shu Lee Lim and Anil Kurella

PCBA CLEANING
Field Performance of pH Neutral Cleaning Agents, Part II

The second of a two-part series presenting three case studies on material compatibility and field cleaning performance of alternatives to alkaline cleaning agents. Each user had a different paste/flux vehicle and material compatibility constraints.Yet, based on the results, pH neutral cleaning agents can meet stringent cleaning requirements.
by Umut Tosun, Jigar Patel, Kalyan Nukala and Fernando Gazcon

 

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