公开(公告)号：US3491232A

公开(公告)日：1970-01-20

申请号：US3491232D

申请日：1967-08-23

Applicant: PHILIPS CORP

Inventor： FRANKE KURT ,  HIRSCH KURT

IPC: H01J5/06 ,  H01J19/40 ,  H01J1/53

CPC classification number: H01J5/06 ,  H01J19/40

公开(公告)号：US3588582A

公开(公告)日：1971-06-28

申请号：US3588582D

申请日：1969-09-08

Applicant: PHILIPS CORP

Inventor： DUBRAVEC VLADIMIR ,  HIRSCH KURT

IPC: H01J23/087 ,  H01J23/08

CPC classification number: H01J23/087

Abstract: A SYSTEM FOR PROVIDING A SPATIAL PERIODIC MAGNETIC FIELD FOR FOCUSING THE ELECTRON BEAM OF A HIGH-POWER KLYSTRON BY ARRANGING A NUMBER OF ANNULAR MAGNETIC RINGS HAVING AXIAL MAGNETIZATION IN THE SAME SENSE COAXIALLY AROUND THE DRIFT TUBES BETWEEN RESONANT CAVITIES.