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公开(公告)号：US3636346A
公开(公告)日：1972-01-18
申请号：US3636346D
申请日：1970-03-16
Applicant: HITACHI LTD
Inventor： AKAHORI HIROSHI , OHNUMA YOSHIRO , KUBOZOE MORIOKI
IPC: G01Q30/16 , H01J37/067 , H01J37/07 , H01J37/26
CPC classification number: H01J37/067 , H01J37/07
Abstract: An electron beam generator for electron microscopes or the like apparatus comprising an electron gun, an anode placed in a position opposite to the electron gun, and an electron gun chamber containing therein the electron gun and the anode, wherein either an electrical insulation layer is formed on the inner surface of the electron gun chamber or a cylinder of an electrically insulating material is provided to enclose the electron gun and the anode.
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公开(公告)号：US3483423A
公开(公告)日：1969-12-09
申请号：US3483423D
申请日：1967-12-12
Applicant: AIR REDUCTION
Inventor： HANKS CHARLES W
CPC classification number: H01J37/07
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Patent Agency Ranking
公开(公告)号：US3452241A
公开(公告)日：1969-06-24
申请号：US3452241D
申请日：1966-09-06
Applicant: RCA CORP
Inventor： COLEMAN JOHN W
IPC: H01J3/02 , H01J37/063 , H01J37/07 , H01J29/46 , H01J29/56
CPC classification number: H01J37/07 , H01J3/029 , H01J37/063
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公开(公告)号：US3400243A
公开(公告)日：1968-09-03
申请号：US38848064
申请日：1964-08-10
Applicant: MECH TRONICS CORP
Inventor： MCNABB LOUIS A
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65.发明授权Cathode arrangement of an electron microscope for reducing the occurrence of virtualcathodes 失效用于减少虚拟阴极发生的电子显微镜的阴极排列
公开(公告)号：US3363961A
公开(公告)日：1968-01-16
申请号：US50080365
申请日：1965-10-22
Applicant: RCA CORP
Inventor： COLEMAN JOHN W , SCHULER JOSEPH J
IPC: H01J37/063 , H01J37/07
CPC classification number: H01J37/07 , H01J37/063
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公开(公告)号：US3300676A
公开(公告)日：1967-01-24
申请号：US24993363
申请日：1963-01-07
Applicant: STAUFFER CHEMICAL CO
Inventor： STERZL CARL F
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公开(公告)号：US3286117A
公开(公告)日：1966-11-15
申请号：US24993463
申请日：1963-01-07
Applicant: STAUFFER CHEMICAL CO
Inventor： DONLEVY ALFRED L
IPC: H01J37/07
CPC classification number: H01J37/07
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