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Application filed by 김정배, 삼성전관 주식회사filedCritical김정배
Priority to KR1019900014154ApriorityCriticalpatent/KR920007025A/en
Publication of KR920007025ApublicationCriticalpatent/KR920007025A/en
Solid-Phase Diffusion Into Metallic Material Surfaces
(AREA)
Abstract
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Description
함침형 음극의 제조방법Manufacturing method of impregnated cathode
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제2도는 본 발명에 의한 함침형 음극 단면도,2 is a cross-sectional view of the impregnated cathode according to the present invention,
제3도는 본 발명에 의한 함침형 음극의 제조 공정도.3 is a manufacturing process chart of the impregnated cathode according to the present invention.
Claims (3)
고융점 다공질 금속체의 기공부에 전자 방출 물질이 함침되고 그 상부 음극표면에 Ir, Os, Ru, Re등의 백금족 원소중 하나 또는 이들의 합금이 피복되어 이루어진 함침형 음극의 제조방법에 있어서, 상기 전자방출물질이 함침된 음극 기체 상부 표면에 상기 백금족 원소중 하나 또는 이들의 합금을 1차 피복하여 진공 또는 수소분위기하의 1100 내지 1300℃에서 합금처리하고, 상기 합금처리된 음극표면에 상기 백금족 원소중 하나 또는 이들의 합금을 2차 피복하여 이루어지는 것을 특징으로 하는 함침형 음극의 제조방법.In the method of manufacturing an impregnated cathode formed by impregnating an electron-emitting material into a pore portion of a high melting point porous metal body and coating one of platinum group elements such as Ir, Os, Ru, and Re or an alloy thereof on the upper cathode surface thereof, The first surface of one of the platinum group elements or an alloy thereof is first coated on the upper surface of the cathode gas impregnated with the electron-emitting material and alloyed at 1100 to 1300 ° C. under vacuum or hydrogen atmosphere, and the platinum group element is coated on the alloy treated cathode surface. A method for producing an impregnated cathode, characterized in that the secondary coating of one or these alloys.제1항에 있어서, 1차 피복시 피복 두께가 50~1000Å인 것을 특징으로 하는 함침형 음극의 제조방법.The method for producing an impregnated cathode according to claim 1, wherein the coating thickness at the time of primary coating is 50 to 1000 kPa.제1항에 있어서, 2차 피복시 피복 두께가 1000~3000Å인 것을 특징으로 하는 함침형 음극의 제조방법.The method for producing an impregnated cathode according to claim 1, wherein the coating thickness at the time of secondary coating is 1000 to 3000 kPa.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900014154A1990-09-071990-09-07
Manufacturing method of impregnated cathode
KR920007025A
(en)