Infra Red Light for Detecting Vacuum Quality Inside Sealed Glass Panels

Author

Chen, Yi-Hsien ; Fu, C.H. ; Lin, W.Y. ; Su, Guo-Dung J.

Author_Institution

Graduate Inst. of Electro-Opt. Eng., Nat. Taiwan Univ., Taipei

fYear

2006

fDate

38899

Firstpage

399

Lastpage

400

Abstract

In this paper, we report the non-dispersive infrared (IR) for detecting the vacuum level inside carbon-nanotube field-emission displays (CNT-FED). Most gas molecules, such as moisture, can be detected by using infrared absorption characteristics. Through the known IR absorption rate of the targeted gas, the pressure of the gas inside the vacuum-sealed FED panels can be calculated by ideal gas law. In our experiment, we could distinguish that there are residual organic gases (hydrogen-carbon related) and no carbon dioxide inside the glass panel at the vacuum level of 10^-6 torr

Keywords

carbon nanotubes; field emission displays; gas sensors; infrared detectors; moisture; nanotube devices; C; IR absorption; carbon-nanotube field-emission displays; gas molecules; ideal gas law; infrared absorption; moisture; nondispersive infrared; residual organic gases; sealed glass panels; vacuum quality; Carbon nanotubes; Cathode ray tubes; Displays; Electromagnetic wave absorption; Gases; Glass; Infrared detectors; Light sources; Moisture; Vacuum technology;

fLanguage

English

Publisher

ieee

Conference_Titel

Vacuum Nanoelectronics Conference, 2006 and the 2006 50th International Field Emission Symposium., IVNC/IFES 2006. Technical Digest. 19th International

Conference_Location

Guilin

Print_ISBN

1-4244-0401-0

Type

conf

DOI

10.1109/IVNC.2006.335236

Filename

4134628