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2002•Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and PhenomenaRequires access

Development of a cold-cathode electron gun for cathode-ray tube using a Mo-tip field-emitter array

Hoon Kim, Sang-Won Seo, Jong‐Won Park, Yun-Hi Lee, Jin Jang, Byeong‐Kwon Ju

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Abstract

The Mo-tip field-emitter array (FEA) was applied to the electron gun of the cathode-ray tube (CRT). In order to replace the conventional thermionic cathode with a cold cathode, the Mo-tip FEA was newly designed according to the specification of the CRT electron gun. The electron-emission properties and display performances of the electron gun with a Mo-tip FEA cathode were characterized and discussed. The fabricated electron gun with a Mo-tip FEA cathode showed better performance in terms of emission current and switch-on time. Finally, the potential applicability was guaranteed by means of operating the 19 in. color CRT using the fabricated electron gun with the Mo-tip FEA.

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What this paper is about

The Mo-tip field-emitter array (FEA) was applied to the electron gun of the cathode-ray tube (CRT). In order to replace the conventional thermionic cathode with a cold cathode, the Mo-tip FEA was newly designed according to the specification of the CRT electron gun. The electron-emission properties and display performances of the electron gun with a Mo-tip FEA cathode were characterized and discussed. The fabricated electron gun with a Mo-tip FEA cathode showed better performance in terms of emission current and switch-on time. Finally, the potential applicability was guaranteed by means of operating the 19 in. color CRT using the fabricated electron gun with the Mo-tip FEA.

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Available abstract

The Mo-tip field-emitter array (FEA) was applied to the electron gun of the cathode-ray tube (CRT). In order to replace the conventional thermionic cathode with a cold cathode, the Mo-tip FEA was newly designed according to the specification of the CRT electron gun. The electron-emission properties and display performances of the electron gun with a Mo-tip FEA cathode were characterized and discussed. The fabricated electron gun with a Mo-tip FEA cathode showed better performance in terms of emission current and switch-on time. Finally, the potential applicability was guaranteed by means of operating the 19 in. color CRT using the fabricated electron gun with the Mo-tip FEA.

Key concepts: Electron gun, Cathode, Cold cathode, Thermionic emission, Common emitter, Hot cathode, Field electron emission, Electron

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