JPS57176656A - Method and device for astigmatism correction of scanning electron microscope and similar device - Google Patents
Method and device for astigmatism correction of scanning electron microscope and similar deviceInfo
- Publication number
- JPS57176656A JPS57176656A JP56061012A JP6101281A JPS57176656A JP S57176656 A JPS57176656 A JP S57176656A JP 56061012 A JP56061012 A JP 56061012A JP 6101281 A JP6101281 A JP 6101281A JP S57176656 A JPS57176656 A JP S57176656A
- Authority
- JP
- Japan
- Prior art keywords
- astigmatism
- screen
- correction
- center
- electron microscope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 201000009310 astigmatism Diseases 0.000 title abstract 6
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/153—Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56061012A JPS57176656A (en) | 1981-04-22 | 1981-04-22 | Method and device for astigmatism correction of scanning electron microscope and similar device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56061012A JPS57176656A (en) | 1981-04-22 | 1981-04-22 | Method and device for astigmatism correction of scanning electron microscope and similar device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57176656A true JPS57176656A (en) | 1982-10-30 |
JPS6329378B2 JPS6329378B2 (enrdf_load_stackoverflow) | 1988-06-13 |
Family
ID=13158985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56061012A Granted JPS57176656A (en) | 1981-04-22 | 1981-04-22 | Method and device for astigmatism correction of scanning electron microscope and similar device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57176656A (enrdf_load_stackoverflow) |
-
1981
- 1981-04-22 JP JP56061012A patent/JPS57176656A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6329378B2 (enrdf_load_stackoverflow) | 1988-06-13 |
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