Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1997-12-19
1999-10-12
O'Shea, Sandra
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313634, 445 44, H01J 6133
Patent
active
059659769
ABSTRACT:
A high pressure gas discharge lamp and the method of making same utilizing integrated circuit fabrication techniques. The lamp is manufactured from heat and pressure resistant planar substrates in which cavities are etched, by integrated circuit manufacturing techniques, so as to provide a cavity forming the gas discharge tube. Electrodes are deposited in the cavity. The cavity is filled with gas discharge materials such as mercury vapor, sodium vapor or metal halide. The substrates are bonded together and channels may be etched in the substrate so as to provide a means for connection to the electrodes. Lamps having ignition enhancing and hot restrike features, as well as single-sided electrodes, are disclosed.
REFERENCES:
patent: 4990826 (1991-02-01), Cocks et al.
patent: 5438343 (1995-08-01), Khan et al.
Cammack David A.
Khan Babar Ali
Kramer Jerry
Mehrotra Vivek
Pinker Ronald D.
Faller F. Brice
O'shea Sandra
Philips Electronics North America Corp.
Williams Joseph
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