Journal
ELECTRONICS LETTERS
Volume 39, Issue 10, Pages 773-775Publisher
IEE-INST ELEC ENG
DOI: 10.1049/el:20030430
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The electrical (V-I) characteristics, radiative efficiencies, and lifetimes of Ni screen/dielectric/Ni microdischarge devices, having overall thicknesses as small as <100 mum and cylindrical microchannels 50-150 pm in diameter, are investigated for Al2O3, BN, and BaTiO3 dielectric films that are 120 or 200 mum, 30 mum, and 5 mum in thickness, respectively. Having dielectrics fabricated by sol-gel processes or colloidal deposition and operated with Ne gas pressures between 300 and 1200 Torr (300K), these devices operate at voltages as low as similar to93 V (100 mum dia. BaTiO3 device), and exhibit exceptional stability and lifetimes. After 100 h of continuous operation, a Ni screen/30 mum BN/Ni device operating in 700 Torr Ne (static gas fill) at 100 V produces similar to98% of its initial radiant output.
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