| 摘要 |
<p>A high-output, high-efficiency discharge illuminator having high energy-saving effect. N sheet-like split electrodes (2) are laid with slight gaps (a) on an electrode fixing face (1) provided on the bottom face of a flat container and bonded securedly through a sheet-like insulator (3) exhibiting excellent electrical insulation and thermal conductivity. The opposed surface to the electrode fixing face (1) is covered with a front glass (4) coated with a fluorescent material (b) on the inside. The electrode fixing face (1) forms a double wall (c) and the split electrodes (2) bonded securedly to the electrode fixing face (1) are cooled by causing cooling water (d) to flow between the double wall (c). N+1 rod-like magnets (5) arranged while alternating the polarity are bonded securedly to the outside of the double wall (c) along the gaps (a). N split electrodes (2) are connected with n AC power supplies (10) having identical amplitudes and having phases shifted from each other by 1/n. The n AC power supplies (10) each comprise a start connection of low frequency AC power supplies having frequency, amplitude and phase (including waveform) controlled through a controller (11) and the entire power supply is kept at floating potential by means of an insulating transformer, so that discharge is caused only between the split electrodes (2).</p> |
