Effects of Contaminants
Destructive interactions between airborne particulate and electronic equipment can happen in many ways, some of which are outlined in the following subsections.
Physical Interference
Hard particles with a tensile strength at least 10 percent greater than the component material can remove material from the component surface by abrasive action or embedding. Soft particles might not damage the component surface, but can agglomerate (stick together) as the result of electrostatic charge build-up and cause clogging. If these particles are tacky, they can collect with other particulate matter.
Corrosive Failure
Component failures can occur from the corrosion of electrical contacts caused by certain types of particulate. Some ...
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