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A hollow cathode that has extremely stable discharge characteristics has been developed. It is composed of two separated lanthanum hexaboride (LaB6) disks in the tube as the electron emitters. The design accomplishes great advantages by extending the surface discharge area of LaB6, an extension that is also useful for optimal fixing of LaB6. The hollow cathode is capable of producing 30 kW (100 V...
Summary form only given. A hollow cathode which has extremely stable discharge characteristics has been developed. This is composed of the two separated lanthanum hexaboride (LaB6) in the tube as the electron emitter. The way of design is very useful for stable discharge of hollow cathode. The hollow cathode is capable of producing 30 kW of power continuously with long lifetime. Because the generated...
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