The Design and Fabrication of Carbon-Nanotube-Based Field Emission X-Ray Cathode With Ballast Resistor

被引：16

作者：

Sun, Yonghai ^{[1
]}

Jaffray, David A. ^{[2
]}

Yeow, John T. W. ^{[1
]}

机构：

[1] Univ Waterloo, Dept Syst Design Engn, Waterloo, ON N2L 3G1, Canada

[2] Princess Margaret Hosp, Dept Radiat Phys, Toronto, ON M5G 2M9, Canada

来源：

IEEE TRANSACTIONS ON ELECTRON DEVICES | 2013年 / 60卷 / 01期

关键词：

Ballast resistor; carbon nanotube (CNT); field emission; X-ray cathode; BRACHYTHERAPY;

D O I：

10.1109/TED.2012.2226036

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The incorporation of a ballast resistor layer underneath field emitters can improve the reliability and stability of field emission cathodes. However, it has not been successfully demonstrated in carbon-nanotube (CNT)-based field emitters. In this paper, we introduce a fabrication process of a low-density vertically aligned CNT array with a ballast resistor layer. Furthermore, an X-ray tube prototype based on this cathode is demonstrated.

引用

页码：464 / 470

页数：7

共 23 条

[1] FIELD-EMISSION FROM CARBON FIBERS - NEW ELECTRON SOURCE [J].

BAKER, FS ;

WILLIAMS, J ;

OSBORN, AR .

NATURE, 1972, 239 (5367) :96-+

[2]

Borel M, 1990, US Patent Specification, Patent No. [US4940916A, 4940916]

[3] Development of New X-Ray Source Based on Carbon Nanotube Field Emission and Application to the Non Destructive Imaging Technology [J].

Choi, Hae Young ;

Shon, Chae Hwa ;

Kim, Jong Uk .

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2009, 56 (03) :1297-1300

[4] Xoft Axxent® electronic brachytherapy-a new device for delivering brachytherapy to the breast [J].

Dickler, Adam .

NATURE CLINICAL PRACTICE ONCOLOGY, 2009, 6 (03) :138-142

[5] In situ transmission electron microscopy investigation of the structural changes in carbon nanotubes during electron emission at high currents [J].

Doytcheva, Maya ;

Kaiser, Monja ;

de Jonge, Niels .

NANOTECHNOLOGY, 2006, 17 (13) :3226-3233

[6] A miniature x-ray tube [J].

Haga, A ;

Senda, S ;

Sakai, Y ;

Mizuta, Y ;

Kita, S ;

Okuyama, F .

APPLIED PHYSICS LETTERS, 2004, 84 (12) :2208-2210

[7]

Heo S., 2009, BRCAHYTHERAPY, V8, P149

[8] Mechanism responsible for initiating carbon nanotube vacuum breakdown [J].

Huang, NY ;

She, JC ;

Chen, J ;

Deng, SZ ;

Xu, NS ;

Bishop, H ;

Huq, SE ;

Wang, L ;

Zhong, DY ;

Wang, EG ;

Chen, DM .

PHYSICAL REVIEW LETTERS, 2004, 93 (07) :075501-1

[9]

Itoh S., 2006, Proceedings of the XXIInd International Symposium on Discharges and Electrical Insulation in Vacuum, P875

[10] Field-emission-type x-ray source using carbon-nanofibers [J].

Kita, S. ;

Watanabe, Y. ;

Ogawa, A. ;

Ogura, K. ;

Sakai, Y. ;

Matsumoto, Y. ;

Isokane, Y. ;

Okuyama, F. ;

Nakazato, T. ;

Otsuka, T. .

JOURNAL OF APPLIED PHYSICS, 2008, 103 (06)

← 1 2 3 →