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Patent Agency Ranking1.发明授权Dispenser cathode made of tungsten powder having a grain size of less than three microns 失效具有不到三个微米的颗粒尺寸的钨粉的分配器阴极
公开(公告)号：US3458749A
公开(公告)日：1969-07-29
申请号：US3458749D
申请日：1967-06-06
Applicant: PHILIPS CORP
CPC classification number: H01J1/28
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2.发明授权Tungsten dispenser cathode having emission enhancing coating of osmium-iridium or osmium-ruthenium alloy for use in electron tube 失效具有用于电子管的OSMIUM-IRIDIUM或OSUMUM-RUTHENIUM合金的排放增强涂层的TUNGSTEN分配器阴极
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公开(公告)号：US3373307A
公开(公告)日：1968-03-12
申请号：US41065564
申请日：1964-11-12
Applicant: PHILIPS CORP
Inventor： PIETER ZALM , CATHARINA SPRENGERS JOHANNES W , STRATUM ANTONIUS JOHANNES ALBE , DER LINDEN PETRUS CORNELIS VAN
IPC: H01J1/28
CPC classification number: H01J1/28 , Y10T428/12042 , Y10T428/12056
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4.发明授权
公开(公告)号：US3551198A
公开(公告)日：1970-12-29
申请号：US3551198D
申请日：1967-06-06
Applicant: PHILIPS CORP
CPC classification number: H01J9/047
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公开(公告)号：US3113236A
公开(公告)日：1963-12-03
申请号：US3682760
申请日：1960-06-17
Applicant: PHILIPS CORP
Inventor： JOHANNES LEMMENS HENDRIKUS , PIETER ZALM , STRATUM ANTONIUS JOHANNES ALBE , REINIER BLATTER JOHANNES , RAYMUND ALMER FRIEDRICH HERMAN
IPC: H01J1/28
CPC classification number: H01J1/28
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