公开(公告)号：EP0849768A1

公开(公告)日：1998-06-24

申请号：EP97919652.4

申请日：1997-04-23

申请人： TDK Corporation

发明人： HAMADA, Munemitsu ,  TAKEISHI, Akira ,  TAGUCHI, Haruo ,  MASUDA, Takeshi ,  YAMAGUCHI, Yasutoshi

IPC分类号： H01J61/06

CPC分类号： H01J61/0677 ,  H01J61/09 ,  H01J61/20 ,  H01J61/78

摘要： A fluorescent lamp with long life for light emission through discharge by alternate voltage between a pair of ceramic cathodes. The lamp is sealed with gas selecting from Argon, Neon, Krypton, Xenon and mixture of the same, with sealing pressure in the range of 10 Torr and 170 Torr.