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公开(公告)号:US2722490A
公开(公告)日:1955-11-01
申请号:US17564850
申请日:1950-07-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: HAYNES JAMES R , HEIDENREICH ROBERT D
CPC classification number: H01L21/00 , H01L23/29 , H01L2924/0002 , Y10T428/12674 , Y10T428/12681 , Y10T428/12708 , H01L2924/00
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2.Electron microscope method and apparatus for improving image phase contrast 失效
Title translation: 电子显微镜方法和改进图像相位的装置公开(公告)号:US3566109A
公开(公告)日:1971-02-23
申请号:US3566109D
申请日:1968-02-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: HEIDENREICH ROBERT D
CPC classification number: H01J37/265 , H01J37/263
Abstract: Superimposition of a critical amount of an a.c. component on the objective lens current of an electron microscope results in obtaining useful image contrast for object spacings below 10 angstroms.
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公开(公告)号:US2965525A
公开(公告)日:1960-12-20
申请号:US84199359
申请日:1959-09-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: BURBANK ROBINSON D , HEIDENREICH ROBERT D , NESBITT ETHAN A
CPC classification number: C22C38/105 , C21D1/04 , H01F1/0306
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公开(公告)号:US2935781A
公开(公告)日:1960-05-10
申请号:US55051155
申请日:1955-12-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: HEIDENREICH ROBERT D
IPC: H01L21/00 , H01L21/316
CPC classification number: H01L21/31654 , H01L21/00
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公开(公告)号:US2619414A
公开(公告)日:1952-11-25
申请号:US16430350
申请日:1950-05-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: HEIDENREICH ROBERT D
IPC: H01L21/306
CPC classification number: H01L21/30604
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