H - Electricity – 01 – J
Patent
H - Electricity
01
J
117/20
H01J 61/00 (2006.01) C09K 11/66 (2006.01) C09K 11/74 (2006.01) C09K 11/77 (2006.01) G03F 7/20 (2006.01) H01J 61/44 (2006.01)
Patent
CA 1040412
ABSTRACT OF THE DISCLOSURE: A low pressure mercury vapour discharge lamp particularly intended for illuminating photolithographic rooms. In addition to a high l??inous flux the lamp has a satisfactory colour rendition. The lamp is provided with an absorption coating for ultraviolet and blue radiation and furthermore with a luminescent coating comprising at least three luminescent materials.
217099
de Vette Thomas H.
Radielovic Dragutin
LandOfFree
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