fni 2c em 1 transmission electron microscope. fni 2c em2 tem image of e. coli
TRANSCRIPT
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FNI 2C EM 1
Transmission Electron Microscope
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FNI 2C EM 2
TEM Image of E. Coli
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FNI 2C EM 3
TEM Image of Mitochondria
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FNI 2C EM 4
TEM Image of Computer Chip
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FNI 2C EM 5
SEM Image compared to TEM Image
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FNI 2C EM 6
Transmission Electron Microscope
http://www.matter.org.uk/tem/ http://em-outreach.ucsd.edu/web-course/toc.html http://www.amazon.com/Transmission-Electron-Microscopy-
Textbook-Materials/dp/038776500X/ref=sr_1_1?ie=UTF8&s=books&qid=1224191760&sr=8-1
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FNI 2C EM 7
TEM Operation
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FNI 2C EM 8
UW Eau Claire’s TEM
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FNI 2C EM 9
UW Eau Claire’s TEM
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FNI 2C EM 10
TEM Phosphor Screen
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FNI 2C EM 11
TEM Control Panel
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FNI 2C EM 12
TEM Grids
All TEM’s ever done have examined only .3 mm3 of material
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FNI 2C EM 13
TEM Components
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FNI 2C EM 14
TEM Sample Preparation and Theory of Operation Samples for TEM must be electron transparent. That means they
must be thin enough for electrons to pass through. It is very difficult to achieve this. After the sample has been polished very thin an ion mill is used to
perform the final stages. An ion mill uses an argon plasma to remove material from the
sample. High energy argon ions strike the sample and atoms of the sample
are knocked away. TEMs can be used to image atoms. Some scientists have combined TEM chambers with reactors so
they can watch chemical reactions in progress.
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FNI 2C EM 15
FIB Sample Preparation for TEM
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FNI 2C EM 16
Electron Microscope Vendors
JEOL http://www.jeol.com/ Hitachi http://www.hitachi-hitec-uk.com/ Zeiss www.smt.zeiss.com/nts FEI www.feicompany.com Camscan www.camscan-usa.com Elektronen-Optik www.eos-do.com Tescan www.tescan.com KLA/Tencor/Amray http://www.kla-tencor.com/
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FNI 2C EM 17
Notes
Growth of carbon nanotubes inside environmental TEM.