Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device
Patent
1978-03-06
1980-01-08
Gantz, Delbert E.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For plural electrodes of discharge device
106 734, 106 732, H01J 1716, C04B 3510, C04B 3550
Patent
active
041829727
ABSTRACT:
A polycrystalline alumina has at least 50% unit surface area provided by crystals of at least 60 .mu.m, and preferably 100 .mu.m size. This improves the in-line transmission value and hence lamp efficiency in a tube for a high pressure metal vapor lamp having an envelope of alumina.
REFERENCES:
patent: 3026210 (1962-03-01), Coble
patent: 3769049 (1973-10-01), Muta et al.
patent: 3792142 (1974-02-01), Kobayashi et al.
patent: 3846146 (1974-11-01), Hunting et al.
patent: 3875277 (1975-04-01), Bratton et al.
Kaneno Masayuki
Oda Isao
Yamamoto Noboru
Bell Mark
Eslinger Lewis H.
Gantz Delbert E.
NGK Insulators Ltd.
LandOfFree
Transparent polycrystalline alumina and high pressure vapor disc does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Transparent polycrystalline alumina and high pressure vapor disc, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Transparent polycrystalline alumina and high pressure vapor disc will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1941883