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Surface breakdown of printed circuit board under magnetic field with reduced pressure |
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| Authors: | DU Boxue ZHU Xiaohui GAO Yu LU Xin |
| Institution: | 1. Key Laboratory of Power System Simulation and Control of Ministry of Education, Tianjin University,Tianjin 300072, China 2. Key Laboratory of Power System Simulation and Control of Ministry of Education, Tianjin University,Tianjin 300072, China ;Tianjin Electrical Power Science Research Institute, Tianjin 300040, China 3. Tianjin Electrical Power Science Research Institute, Tianjin 300040, China |
| Abstract: | Epoxy resin laminate onto which a pair of copper foil was printed was employed as test samples.The samples were placed in an artificial atmospheric chamber, which was vacuumed by a rotary pump from 100 kPa to 5 kPa.The magnetic field was produced by permanent magnets that were assembled to make E×B drift away from, into and parallel to the sample surface, respectively.Magnetic flux density was adjusted at 120 mT, 180 mT and 240 mT respectively.By applying a negative bias voltage between the electrodes, the ... |
| Keywords: | printed circuit board surface breakdown magnetic field ambient pressure |
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