선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- The specimens were soaked into water at 358 K (85 V) for 1 to 10 hours and the specimen weight was measured by a digital balance. After the specimens were immersed in water at 358 K (85 D for 48 hours, the water was analyzed by ion chromatography tn order to examine ion species and their quantities extracted from the specimens into water. A de electric field of 3 kV/mm was applied to the non-treated or water-treated specimens for 60 minutes and the space charge profiles inside the specimens were measured by the pulsed electroacoustic (PEA) methodd, 2].
- Here. a new in situ PEA unit was placed m an environmental chamber that can control the temperature and humidity according to standard test conditions established by the Institute for Interconnecting and Packaging Electronic Circuits (IPC) such as 313 K (40 t) + 90 %RH and 358 K (85 O + 85 %RH, in order to observe space charge profiles simultaneously during the migration test of materials for PCBs. The in suit PEA observation should expose the specimen to open air in th으 same manner as the condition of the surface migration test, although the ordinary PEA unit sandwiches a specimen by two electrodes.
이론/모형
- After the specimens were immersed in water at 358 K (85 D for 48 hours, the water was analyzed by ion chromatography tn order to examine ion species and their quantities extracted from the specimens into water. A de electric field of 3 kV/mm was applied to the non-treated or water-treated specimens for 60 minutes and the space charge profiles inside the specimens were measured by the pulsed electroacoustic (PEA) methodd, 2]. Here.
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