A discharge lamp includes a luminous bulb in which a luminous material is enclosed and a pair of electrodes are opposed in the luminous bulb; and a pair of sealing portions for sealing a pair of metal foils electrically connected to the pair of electrodes, respectively. At least one of the pair of metal foils has a twist structure.

 
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> Electrodeless low-pressure discharge lamp operating device and self-ballasted electrodeless fluorescent lamp

> Mercury-free arc tube for discharge lamp unit
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