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[GreenYes] Non-mercury fluorescent lamps


The industry position
(http://www.nema.org/gov/ehs/committees/lamps/upload/Lamp%20Brochure%20Final%203%2005.DOC)
has been that non-mercury fluorescents are impossible or impracticable.

Even a casual Google search suggests that this is not the case:

http://physicsweb.org/articles/world/12/4/3/1

http://www.ieij.or.jp/english/publish/AbsJLVE/06_2_abs.html


A New-type of Xenon-Neon Barrier Discharge Fluorescent Lamps: Double
Helical External Electrodes Lamp (DHEL)

M. JINNO, Y. MUGURUMA, T. MATSUDA, H. MOTOMURA and S. TAKUBO

Recently as interests in environmental issues increase, demands for
mercury-free fluorescent lamps are increasing because mercury is
harmful to human beings and creatures. As one of the solutions of
this issue the authors have developed a new-type of mercury-free
fluorescent lamps using double helical external electrodes. In this
paper the fundamental characteristics of Xenon-Neon discharge in the
Double Helical External Electrodes Lamps (DHEL) such as the
luminance, power consumption and lamp current are investigated. When
the pressure ratio of Xe : Ne was fixed at 7 : 3, total pressure at
1.33 kPa and external electrode pitch as 10 mm, luminance over 10000
cd / m2 is achieved. In addition as a prototype 1 m length DHEL is
prepared and demonstrated to show basically there is no limit in
length of DHEL.

KEYWORDS : barrier discharge, mercury-free, fluorescent lamp, xenon,
external electrode, DHEL

To some extent they are already commercially available:

http://www.sylvania.com/cgi-bin/MsmGo.exe?grab_id=72&EXTRA_ARG=&host_id=42&page_id=15338752&query=LINEX&hiword=LINEX+


Alan Muller, Executive Director
Green Delaware
Box 69
Port Penn, DE 19731 USA
302.834.3466
cell 302.299.6783
greendel@no.address
www.greendel.org
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