Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1994-07-21
1996-12-03
Oberly, Alvin E.
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
313238, 313306, 313513, 445 23, 29825, H01J 6304
Patent
active
055811485
ABSTRACT:
A novel electrode unit includes a plurality of linear cathodes and a plurality of flat-shaped electrodes. Each of the electrodes has a plurality of identification holes. The relative positional relationship of the identification holes is uniform with regard to each of the electrodes. However, the positions of the identification holes are shifted from those of adjacent electrodes by a predetermined interval so that a line connecting centers of the ID holes is parallel or perpendicular to a longitudinal direction of the linear cathodes when the electrodes are piled up and evenly aligned. The identification holes allow the electrodes to be accurately positioned with respect to each other when assembling the electrodes into the electrode unit. Each of the electrodes also includes a temporary fixing part at an area indented from an outer circumference of the electrode. During assembly of an electrode unit, the temporary fixing part is fixed to a temporary fixing part of an adjacent electrode via a spacer. Upon completion of a permanent fixing procedure between the two electrodes, the temporary fixing part is removed.
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Imai Kanji
Inada Makoto
Nakatani Toshifumi
Sekiguchi Tomohiro
Matsushita Electric - Industrial Co., Ltd.
Oberly Alvin E.
Richardson Lawrence O.
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