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Transmission Electron Microscope

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graham
17 diapositives · 1.4K Views · Oct 13, 2014

Transmission Electron Microscope. TEM Image of E. Coli. TEM Image of Mitochondria. TEM Image of Computer Chip. SEM Image compared to TEM Image. Transmission Electron Microscope. http://www.matter.org.uk/tem/ http://em-outreach.ucsd.edu/web-course/toc.html

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Transmission Electron Microscope
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  1. Transmission Electron Microscope FNI 2C EM

  2. TEM Image of E. Coli FNI 2C EM

  3. TEM Image of Mitochondria FNI 2C EM

  4. TEM Image of Computer Chip FNI 2C EM

  5. SEM Image compared to TEM Image 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 FNI 2C EM

  7. TEM Operation FNI 2C EM

  8. UW Eau Claire’s TEM FNI 2C EM

  9. UW Eau Claire’s TEM FNI 2C EM

  10. TEM Phosphor Screen FNI 2C EM

  11. TEM Control Panel FNI 2C EM

  12. TEM Grids All TEM’s ever done have examined only .3 mm3 of material FNI 2C EM

  13. TEM Components 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. FNI 2C EM

  15. FIB Sample Preparation for TEM 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/ FNI 2C EM

  17. Notes • Growth of carbon nanotubes inside environmental TEM. FNI 2C EM