The effects of fibers on the electrical contacts

Because the electronic products are sealed up incompletely, it is easy to be influenced by the environment to cause the electrical failure. Through the micro-examination of interior of the failed mobile phones, it was discovered that the fiber was one of the main pollutants. The distributed characteristic and the size scope of fibers in the failed mobile phones were analyzed. By using simulation experiments of static and dynamic contact conditions, the failure mechanisms of electrical contacts covered by fibers were studied.