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1.Thermionic cathode comprising mixture of barium oxide, calcium oxide and lithium oxide 失效
Title translation: 包含氧化亚铁,氧化钙和氧化锂的混合阴极公开(公告)号:US3656020A
公开(公告)日:1972-04-11
申请号:US3656020D
申请日:1970-11-18
Applicant: SPECTRA MAT INC
Inventor: CRONIN LEO J
Abstract: A cathode is disclosed utilizing an emission material of barium oxide, calcium oxide and lithium oxide.
Abstract translation: 公开了利用氧化钡,氧化钙和氧化锂的发射材料的阴极。
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2.Directly heated dispenser cathode structure and the method of fabricating same 失效
Title translation: 直接加热分配器阴极结构及其制造方法公开(公告)号:US3514661A
公开(公告)日:1970-05-26
申请号:US3514661D
申请日:1968-07-05
Applicant: SPECTRA MAT INC
Inventor: REAVES RONALD T
CPC classification number: H01J9/047 , H01J1/15 , H01J1/28 , Y10T428/12333 , Y10T428/12451 , Y10T428/31692
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3.Thermionic cathode comprising mixture of barium oxide, calcium oxide and samarium oxide 失效
Title translation: 包含氧化钡,氧化钙和氧化钐的混合物的热阴极公开(公告)号:US3922428A
公开(公告)日:1975-11-25
申请号:US22353972
申请日:1972-02-04
Applicant: SPECTRA MAT INC
Inventor: CRONIN LEO J
CPC classification number: H01J1/14 , H01J1/28 , Y10T428/12042
Abstract: A cathode is disclosed utilizing an emission material of barium oxide, calcium oxide and samarium oxide.
Abstract translation: 公开了利用氧化钡,氧化钙和氧化钐的发射材料的阴极。
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