EMS162L-Lab2

EMS162L-Lab2 - UNIVERSITY OF CALIFORNIA, DAVIS Department...

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UNIVERSITY OF CALIFORNIA, DAVIS Department of Chemical Engineering and Materials Science EMS 162L: Structure and Characterization of Materials Laboratory Winter 2010 LAB EXPERIMENT #2 – SCANNING ELECTRON MICROSCOPY Purpose : The purpose of this laboratory is to give you the opportunity to observe the operation of a scanning electron microscope (SEM). You should be able to describe the type of information that you can obtain from an SEM and compare that to the information that you can obtain from an optical microscope. Equipment : The equipment you will be using in this laboratory is a Philips field emission gun scanning electron microscope (FEG-SEM) located in the Central Facilities in the basement of Kemper Hall. Of the SEM cathodes available, the field emission cathode offers the greatest brightness and the smallest probe size, but also the strictest vacuum requirements and the highest cost of ownership.
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EMS162L-Lab2 - UNIVERSITY OF CALIFORNIA, DAVIS Department...

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