Patent search ap:("PHILIPS CORP") AND inv:"WILLEM ELENGA CORNELIS" Page 1

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发明授权
Ion source having an annular permanent magnet 失效
Title translation: 离子源具有环形永久磁铁

公开(公告)号：US3408526A

公开(公告)日：1968-10-29

申请号：US54311866

申请日：1966-04-18

Applicant: PHILIPS CORP

Inventor： WILLEM ELENGA CORNELIS , OTTO REIFENSCHWEILER , MARIA SCHENKELAARS MARTINUS HE

IPC: H01J17/14 , H02K21/46 , H05H3/06

CPC classification number: H02K21/46 , H01J17/14 , H05H3/06

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