Electronics

Q. We are looking for a low concentration surfactant to improve DI water wetting to polycarbonate and stainless steel during an aerated flushing operation for removal of sub-micron surface particles. Our parts are cleaned before assembly – we need to improve a DI-water flushing operation that is meant to remove sub-micron sized surface particulate from inside an assembled gas path (tube). How can we improve wettability of DI water?

Q. I need to strip a silicon coating from a small coaxial cable. We currently use a heated ultrasonic cleaner with about 1.5 gallon reservoir with Dynasol as the solvent. We need an explosion proof heated ultrasonic cleaner or a recommendation.
A. If you want to avoid having to use an explosion proof ultrasonic with a solvent like Dynasol, I recommend you use . . .

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There is near zero tolerance of contamination in fiber optics. Fiber optic cable needs scrupulously clean surfaces at the glass joint to assure efficient light transmission. Any cleaner which leaves a residue will make matter worse as this will attract contaminants.
The best process for cleaning fiber optic cable is…..

Q. Our current cleaning process has a tendency to leave spots on board and component leads. Analysis of the white spots shows oxides of tin and lead; rust-colored spots show iron oxide. FTIR analysis shows no organic content, so it’s not soap, flux, etc. I have recommended that the production people use appropriate Alconox Inc. cleaner or possibly DI water only for a very short cleaning cycle, and that they dry the boards promptly in flowing warm air. Rust is coming from tinned steel component leads. C