Yankun Huo, Wenyuan Liu, Yajiao He, Changfeng Ke, Libing Cai, Xianchen Bai, Jun Cheng. Two-stage microstructure on surface of vacuum polymer insulators[J]. High Power Laser and Particle Beams, 2024, 36(5): 055017

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- High Power Laser and Particle Beams
- Vol. 36, Issue 5, 055017 (2024)

Fig. 1. Schematic of the improvement, separation of the two-stage microstructure and the preparation process of the three microstructures

Fig. 2. Illustration of the flashover voltage test

Fig. 3. Preparation results of the three kinds of microstructures

Fig. 4. Results of the flashover voltage test of the three kinds of microstructures

Fig. 5. Secondary electron emission yield of the three kinds of microstructures

Fig. 6. Surface flashover suppression mechanism of different microstructures
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Table 1. List of the parameters of the three kinds of microstructures

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