Tokyo Shibaura Electric Co., Ltd.

Yuhji Yokomizo

Noboru Ichinose

Masaki Katsura

Suezo Sugaike

An oxide negative resistance element having a main body consisting of a sintered material containing 89.9 to 20 mole % of ZnO, 10.0 to 60 mole % of MgO and 0.1 to 20 mole % of MnO.sub.2.

Oxide negative resistance element

A discharge lamp (e.g., fluorescent lamp) lighting apparatus using as the starting element a sintered type oxide resistance element having the voltage-current characteristic that the element is rendered conductive when impressed with an inter-electrode voltage applied at the discharge lamp starting time and rendered substantially non-conductive while impressed with an inter-electrode voltage applied during lighting of the discharge lamp. The discharge lamp lighting apparatus using in particular a sintered type oxide resistance element comprising ZnO, MgO and MnO.sub.2 as the starting element presents an excellent performance.

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Tokyo, Japan

Yuhji Yokomizo