EP 0034494 B1 19840111 - CURVILINEAR TYPE FLUORESCENT LAMP
Title (en)
CURVILINEAR TYPE FLUORESCENT LAMP
Publication
Application
Priority
- JP 1657880 A 19800215
- JP 2651980 A 19800305
Abstract (en)
[origin: EP0034494A1] A curvilinear type fluorescent lamp comprises a curvilinear, light-transmitting sealed tube (34) made of soda-lime glass or low lead glass containing 12 percent by weight or less of lead oxide, whose softening point is 640 to 720 DEG C and whose coefficient of linear thermal expansion is 92 to 105 x 10<-><7> cm/cm/ DEG C. On the inner surface of the tube (34) a phosphor layer (36) is formed. The phosphor forming the layer (36) contains a binder consisting chiefly of calcium borate.
IPC 1-7
IPC 8 full level
H01J 61/35 (2006.01)
CPC (source: EP)
H01J 61/35 (2013.01)
Designated contracting state (EPC)
CH DE FR GB LI NL SE
DOCDB simple family (publication)
EP 0034494 A1 19810826; EP 0034494 B1 19840111; AU 530404 B2 19830714; AU 6720281 A 19830310; CA 1158704 A 19831213; DE 3161854 D1 19840216
DOCDB simple family (application)
EP 81300626 A 19810216; AU 6720281 A 19810211; CA 370811 A 19810213; DE 3161854 T 19810216