| 摘要 |
1291120 Fluorescent discharge lamps GTE SYLVANIA Inc 13 Nov 1969 [13 Nov 1968] 55690/69 Heading H1D A Hg containing fluorescent lamp comprises a glass envelope coated on to inner surface with a layer less than 1 micron thick of TiO 2 containing 2 to 5% by weight Sb 2 O 3 to reduce the starting voltage. The lamp includes oxide coated W coil electrodes and is filled with 85% A, 15% He. The TiO 2 has a particle size less than 0À05 Á. |
