Experimental and theoretical considerations on evacuation of vacuum package for field emission display

Jeong In Han, Min Gi Kwak, Yong Kuy Park, Sang Cheul Lim, In Kyu Lee, Kyong Ik Cho, Hyung Joun Yoo

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

In order to obtain the practical vacuum data in field emission display packages which are composed of very thin gapped glass plates, the effects of heating time and temperature as well as geometrical factors such as the gap size between the glass plates, the inner diameter, and length of the evacuation tube were investigated. Even though the evacuation system is in an ultrahigh vacuum of more than 1.0×10-7 Torr, the attained vacuum level with 55 mm×55 mm×1.1 mm panel was 3.0 × 10-5 Torr. The attainable vacuum level for the panel was calculated by considering conductance of the evacuation system. The calculated and measured values are consistent (2.8×10-5 and 3.0 × 10-5 Torr). Heating glass frit sealed packages do not improve vacuum level and H, H2O, CO, and CO2 were identified as impurities remaining inside of the panels.

Original languageEnglish
Pages (from-to)1236-1238
Number of pages3
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume16
Issue number3
DOIs
StatePublished - 1998

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