用于真空电子器件的高可靠性碳纳米管场发射体

IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI:10.1109/IVEC.2014.6857720

Jae-Woo Kim, Sungyoul Choi, Jun-Tae Kang, Jin-Woo Jeong, S. Ahn, Yoon-Ho Song

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引用次数: 2

摘要

我们制作了高可靠性的碳纳米管场发射体，并在真空电子器件的微小真空密封容器的恶劣环境中评估了它们的性能。采用球磨法制备了碳纳米管浆料，并优化了填料的高温耐久性。三极管结构的碳纳米管场发射体在0.4 a /cm2的高电流密度下可靠工作超过150小时。

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Highly reliable carbon nanotube field emitters for vacuum electronic devices

We fabricated highly reliable carbon nanotube (CNT) field emitters and evaluated their performances in a harsh environment of a tiny vacuum-sealed vessel for vacuum electronic devices. The CNT paste was formulated by using a ball-milling method with optimized fillers for high-temperature endurance of the resultant field emitters. The CNT field emitters in a triode configuration showed reliable operation for over 150 h at a high current density of 0.4 A/cm2.

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IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference

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