Research on the discharge characteristics of repetition-frequency electrodeless Z-pinch
ID:210 View Protection:ATTENDEE Updated Time:2026-04-29 14:24:43 Hits:61 Oral Presentation

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Abstract
Currently, the main technical routes for extreme ultraviolet (EUV) light sources used in lithography research include laser-produced plasma (LPP) light sources and discharge-produced plasma (DPP) light sources. Among DPPs, the inductive electrodeless Z-pinch light source developed by Energetiq is a preferred medium power EUV source technical route due to its electrodeless structural design, which avoids electrode ablation and extends the lifespan of optical components [1].
The fundamental principle of inductive electrodeless Z-pinch is to generate plasma by breaking down low-pressure fuel gas through an induced electric field. The plasma current then drives high repetition-frequency Z-pinch to produce medium power EUV radiation. Therefore, it is necessary to understand the discharge characteristics of inductive high repetition-rate Z-pinch, in order to better design the induction structure and operating conditions of the device based on the expected output parameters.
Based on the structure of the electrodeless Z-pinch EUV light source designed by Energetiq, an inductive repetitive Z-pinch discharge device was made. Different operating conditions were altered to study the discharge characteristics of inductive repetitive Z-pinch. The operating conditions studied included applied voltage, ambient pressure, frequency, and gas filling flow rate.
 [1] Horne, S.F., Besen, M.M., Smith, D.K., Blackborow, P.A., and D'Agostino, R.: ‘Application of a high-brightness electrodeless Z-pinch EUV source for metrology, inspection, and resist development.’, Proc Spie, 2006, 6151
 
Keywords
EUV,electrodeless Z-pinch
Speaker
Hongyu Jia
在读博士生 清华大学

Submission Author
Hongyu Jia 清华大学
Xiaobing Zou 清华大学
Longkun Hong 清华大学
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Important Date
  • May 12

    2026

    Conference Date

  • Apr 15 2026

    Draft paper submission deadline

  • May 12 2026

    Registration deadline

Sponsored By
National Key Laboratory of Plasma Physics, Laser Fusion Research Center, China Academy of Engineering Physics
Xiamen University