METAL HALOGEN LAMP FOR PHOTOCULTURE Russian patent published in 1995 - IPC

FIELD: electrical engineering; metal halogen lamps. SUBSTANCE: metal halogen lamp for photoculture of plants has envelope filled with inert has at pressure of 1330 - 39900 Pa, mercury in amount of 0.3-4 mg/cm³, additions to provide envelope with cerium halides in amount of 0.28-0.62 mg/cm³ and lithium halides in amount of 0.05-0.3 mg/cm³. Added into envelope filler are potassium halides in amount of 0.02-0.5 mg/cm³, molar ratio of amount of potassium halides to lithium halides being within 0.12 and 1.76. EFFECT: enlarged operating capabilities. 1 tbl, 2 dwg