The Rinsing Process For Electronics Assemblies – Part 1
“What you need to know.”
– Rich Burke
Q: Is DI water quality of 18 megohm required?
A: No, per IPC-AC-62A, Chapter 10.6: 1–5 megohm-cm region will be satisfactory for most applications.
Q: In the chemical isolation section, what is the difference between dry and wet isolation?
A: Dry isolation uses just air blow off while wet isolation also uses water spray at low flow for rinse and dilution. Wet isolation is the most effective form of chemical isolation.
Q: When it comes to rinse temperature what should be used?
A: As high as possible or match to wash bath temperature.
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