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发明授权
US06072269A Ceramic member with an electrode and a plurality of tapered through holes for controlling the ejection of particles by switching the sign of a charge on the electrode 失效
具有电极的陶瓷构件和多个锥形通孔，用于通过切换电极上的电荷的符号来控制颗粒的喷射

Ceramic member with an electrode and a plurality of tapered through holes for controlling the ejection of particles by switching the sign of a charge on the electrode
摘要：
A ceramic member has a flat or curved ceramic plate having a plurality of minute through holes of a maximum pore diameter of 150 .mu.m or less, and having electrodes installed on one surface of the plate. The ceramic member controls the ejection of ions carrying either positive or negative charge from the minute through holes by switching the sign of charge carried by the electrodes. The minute through holes are tapered toward the side where ions are ejected. The ceramic member gives an improved property of ejecting charged particle from minute through holes while maintaining high mechanical strength and productivity.
摘要（中）：

陶瓷构件具有平坦或弯曲的陶瓷板，其具有多个最大孔径为150μm以下的微小通孔，并且具有安装在板的一个表面上的电极。 陶瓷构件通过切换由电极携带的电荷的符号来控制从微小通孔中携带正电荷或负电荷的离子的排出。 分钟通孔朝向离子排出的一侧逐渐变细。 陶瓷构件提供了从微通孔喷射带电粒子的改进性能，同时保持高机械强度和生产率。

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