JPS5778758A - Scan type electron microscope - Google Patents
Scan type electron microscopeInfo
- Publication number
- JPS5778758A JPS5778758A JP15609380A JP15609380A JPS5778758A JP S5778758 A JPS5778758 A JP S5778758A JP 15609380 A JP15609380 A JP 15609380A JP 15609380 A JP15609380 A JP 15609380A JP S5778758 A JPS5778758 A JP S5778758A
- Authority
- JP
- Japan
- Prior art keywords
- detectors
- combined image
- scanning line
- output
- switching circuit
- 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.)
- Pending
Links
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
- H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
- H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
Abstract
PURPOSE:To simplify the operation by detecting the signal generated from a specimen through a plurality of detectors then switching said signal to the scanning line unit by means of a switching circuit operating synchronously with the scanning line thereby indicating a combined image. CONSTITUTION:The signal generated from a specimen 2 is detected by detectors 3, 4 and provided to a switching circuit 15 controlled by the output from a pulse generating circuit 14 operating synchronously with the output saw-tooth wave for the lateral axis of a scanning oscillator 13. Then the outputs from the detectors 3, 4 are provided to a Braun tube 10 through a switch 8 thereafter the switches 7a-7c are switched to apply the output from a switching circuit 15 to the Braun tube 10 thus to view the combined image. Consequently the signal from the detectors 3, 4 is switched for every lateral axis scanning line of the Braun tube 10 and displayed as a combined image resulting in the simplification of the operation and the shortening of the time required for the adjustment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15609380A JPS5778758A (en) | 1980-11-05 | 1980-11-05 | Scan type electron microscope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15609380A JPS5778758A (en) | 1980-11-05 | 1980-11-05 | Scan type electron microscope |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5778758A true JPS5778758A (en) | 1982-05-17 |
Family
ID=15620150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15609380A Pending JPS5778758A (en) | 1980-11-05 | 1980-11-05 | Scan type electron microscope |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5778758A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5857248A (en) * | 1981-09-30 | 1983-04-05 | Hitachi Ltd | Scanning-type electron microscope |
EP0186851A2 (en) * | 1984-12-31 | 1986-07-09 | International Business Machines Corporation | Apparatus and method for composite image formation by scanning electron beam |
-
1980
- 1980-11-05 JP JP15609380A patent/JPS5778758A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5857248A (en) * | 1981-09-30 | 1983-04-05 | Hitachi Ltd | Scanning-type electron microscope |
JPH0232740B2 (en) * | 1981-09-30 | 1990-07-23 | Hitachi Ltd | |
EP0186851A2 (en) * | 1984-12-31 | 1986-07-09 | International Business Machines Corporation | Apparatus and method for composite image formation by scanning electron beam |
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