Superior Surface-Insulated Polymers with Low Leakage Current Enabled by Tailored Coatings Deposited with Colliding Plasma Jets
Penghao Zhang,
Chenguo Yao,
Liang Yu
et al.
Abstract:Insufficient surface insulation margin is the primary
challenge
for a 10 kV plus high-voltage semiconductor module. Surface charge
accumulation and electric field distortion are the leading causes
of surface insulation failure. Power modules restrict leakage loss,
so only insulation dielectrics with low surface conductivity can be
used. However, low conductivity, accumulated charge dissipation, and
distorted electric field optimization have always been contradictory.
A potential barrier increase and electron a… Show more
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