-
21.Method of and apparatus for making electron-micrographs of opaque metallographic specimens 失效
Title translation: 制造不透明金相试片电子显微镜的方法和装置公开(公告)号:US2614223A
公开(公告)日:1952-10-14
申请号:US10835249
申请日:1949-08-03
Applicant: RCA CORP
Inventor: RAMBERG EDWARD G
IPC: H01J37/29
CPC classification number: H01J37/29
-
22.Correction for spherical and chromatic aberrations in electron lens 失效
Title translation: 电子透镜球面和色差校正公开(公告)号:US2444710A
公开(公告)日:1948-07-06
申请号:US61897045
申请日:1945-09-27
Applicant: RCA CORP
Inventor: RAMBERG EDWARD G
IPC: H01J37/153
CPC classification number: H01J37/153
-
公开(公告)号:US2369796A
公开(公告)日:1945-02-20
申请号:US48064943
申请日:1943-03-26
Applicant: RCA CORP
Inventor: RAMBERG EDWARD G
IPC: H01J37/143
CPC classification number: H01J37/143
-
公开(公告)号:US2309788A
公开(公告)日:1943-02-02
申请号:US36781740
申请日:1940-11-29
Applicant: RCA CORP
Inventor: RAMBERG EDWARD G
CPC classification number: G02B17/0888 , G02B17/08 , G03B21/28
-
公开(公告)号:US2249041A
公开(公告)日:1941-07-15
申请号:US19911038
申请日:1938-03-31
Applicant: RCA CORP
Inventor: RAMBERG EDWARD G , MORTON GEORGE A
IPC: H01J31/50
CPC classification number: H01J31/506
-
-
-
-
公开(公告)号:CA825418A
公开(公告)日:1969-10-21
申请号:CA825418D
Applicant: RCA CORP
Inventor: EPSTEIN DAVID W , RAMBERG EDWARD G
-
-
-
-
-
-
-
-
-