Dell JSM-6060LV User Manual

JEOL JSM-6060LV SCANNING ELECTRON MICROSCOPE
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Operating
Instructions
JEOL JSM-6060LV SCANNING ELECTRON MICROSCOPE
1 INTRODUCTION
Safety 3
2 BACKGROUND
Background Information 4
References 4
3 SAMPLES
Sample Holders 7
Sample Preparation 7
5 PHOTOGRAPHY
Image Options 11
Lower Resolution (but quick) Photos 11
Higher Resolution (slower) Photos 12
4 OPERATION
Instrument Startup 8
Sample Loading 8
Getting an Image 9
Moving Around 9
Image Scanning 10
Zooming In (or Out) 10
Other Toolbar Buttons 10
System Shutdown 10
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JEOL JSM-6060LV SCANNING ELECTRON MICROSCOPE
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Introduction
he JEOL JSM-6060LV is a state-of-the-art scanning electron microscope that features a low vacuum for observation of non-conductive specimens, a fully automated electron gun, a backscattered electron detector for atomic number contrast imaging, fully
integrated digital control, motorized x-y stage, and a NORAN System 6 elemental analysis system (see separate operating instructions for the NORAN system). Best of all, the JEOL JSM-6060LV scanning electron microscope is user-friendly and easy to operate.
Safety
The scanning electron microscope is a relatively safe instrument.. You can do much more damage to it than it can do to you. When the electron beam is turned on, some x-rays are produced as a result of electron beam interaction with the sample, but these x-rays are of relatively low energy and do not escape the sample chamber. The instrument also produces some radio frequency energy.
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JEOL JSM-6060LV SCANNING ELECTRON MICROSCOPE
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Background
The scanning electron microscope (SEM) is one of the most versatile instruments for the examination and analysis of the microstructural characteristics of solids. Although the SEM and optical microscope share the same primary function – making microstructural features and objects visible to the human eye – the scanning electron microscope offers some distinct advantages over the optical microscope. The SEM uses electrons rather than visible light waves (200 – 750 nm wavelength) for imaging, which allows for observation of relatively large sample features at low magnifications or very fine details (high resolution) at high magnifications. The SEM also offers a large depth of field that provides good focus over rough specimen surfaces. The large depth of focus provides a three-dimensional appearance of the specimen in a SEM compared to the nearly planar or two-dimensional imaging found in optical microscopes. In addition, many attachments are available for scanning electron microscopes, including x-ray spectrometers for chemical composition analysis, backscattered electron detectors for atomic number contrast, transmitted electron detectors, hot and cold stages for microscopic observation of high or low temperature phenomena, tensile testing stages for observation of deformation and fracture, and special stages for analysis of semiconductor devices.
Disadvantages of the scanning electron microscope include relatively high initial, operational, and maintenance costs, a high vacuum operating atmosphere that is unsuitable for some specimens, and difficulty in preparing certain types of specimens. Figure 1 schematically illustrates image formation in the optical microscope and the scanning electron microscope.
Figure 1. Basic image formation in an optical microscope and a scannin
electron microscope.
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