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    • 1. 发明公开
    • Discharge tube
    • Entladungsröhre
    • EP0869529A3
    • 1999-01-20
    • EP98302525.5
    • 1998-03-30
    • SHINKO ELECTRIC INDUSTRIES CO. LTD.
    • Machida, Kazuhiko, c/o Shinko Elec. Ind. Co., Ltd.
    • H01J17/30H01J17/46
    • H01J17/46H01J17/30H01T1/20H01T4/12
    • A discharge tube in which the electrical insulating property between the discharge trigger wires (30) is not deteriorated by substance sputtered when discharge is conducted between upper (20a) and the lower (20b) discharge electrodes includes sub-discharge trigger wires (50) at the centre of an inner circumferential wall of the airtight cylinder (10). The sub-discharge trigger wires (50) are electrically insulated from the upper and the lower discharge electrodes (20a,20b). Discharge trigger wires (30a,30b) connected with the upper and lower discharge electrode (20a,20b) respectively are formed in the upper and the lower portions of the inner circumferential wall of the airtight cylinder (10) at which there is no possibility of adhesion of the sputtering substance (40) generated at the process of discharge. A distance between the discharge trigger wires (30a,30b) is electrically reduced via the sub-discharge trigger wires (50). An initial discharge is stably generated at an early stage between the end portions of the discharge trigger wires (30a,30b) and the end portions of the sub-discharge trigger wires (50) located close to the discharge trigger wires (30a,30b).
    • 在上部(20a)和下部(20b)放电电极之间放电时溅射的物质不会因放电触发线(30)之间的电绝缘性而劣化的放电管包括副放电触发线(50) 密封气缸(10)的内周壁的中心。 副放电触发线(50)与上下放电电极(20a,20b)电绝缘。 分别与上,下放电电极(20a,20b)连接的放电触发线(30a,30b)形成在气密筒(10)的内周壁的上部和下部,其中不可能 在排出过程中产生的溅射物质(40)的附着力。 放电触发线(30a,30b)之间的距离通过副放电触发线(50)电性地减小。 在放电触发线(30a,30b)的端部与位于放电触发线(30a,30b)附近的副放电触发线(50)的端部之间的早期阶段稳定地产生初始放电, 。