Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Load children
61/00
Gas-discharge or vapour-discharge lamps
Load children Filter patents View analytics View as hierarchy
H01J61/52
Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Load children Filter patents View analytics View as hierarchy
H01J61/523
Heating or cooling particular parts of the lamp
Load children Filter patents View analytics View as hierarchy
H01J61/526
heating or cooling of electrodes
Filter patents View analytics View as hierarchy