ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/asymtek/your-process/applications-corner/bubbles-and-conformal-coating
Bubbles occur when solvents or air become trapped and can’t escape conformal coating material. The presence of bubbles can lead to long-term product reliability issues including bridging of conductive paths, corrosion of exposed areas, and cracked coating due to temperature changes, shock or vibration
? In other words when the insulation is installed on the wire and then it is soldered to a terminal. Read Answer Ceramic CCA’s and Aqueous Wash and Bake Out Prior to Parylene Coating Question
Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/journal.cfm
. Abstract 32-2 The Study of Dissolution of Bi Precipitates in Sn Using a Novel In Situ Heating Technique in the SEM Peter Banh, André M. Delhaise, Doug D. Perovic Abstract 32-2 Tin Whisker Formation in Bismuth-Containing Lead-Free Solder Alloys After Long-Term Ambient Temperature, High Humidity Storage, Part I