مجهر إلكتروني ماسح
الميكروسكوب الإلكتروني الماسح (Scanning Electron Microscope)
صمم هذا الميكروسكوب لفحص طوبوغرافية سطح العينة ، وهويوفر قوة تكبير وقوة تحليل أقل مما يوفره الميكروسكوب الإلكتروني النافذ ، ويستخدم على سبيل المثال لفحص أعين الحشرات وخياشيم الأسماك ..إلخ.
عملية المسح
انظر أيضاً
- List of surface analysis methods
- TEM
المراجع
وصلات خارجية
عموميات
- Notes on the SEM Notes covering all aspects of the SEM
تاريخ
- Microscopy History links from the University of Alabama Department of Biological Sciences
- The Early History and Development of SEM from Cambridge University Engineering Department
- Milestones in the History of Electron Microscopy from the Swiss Federal Institute of Zürich
- Environmental Scanning Electron Microscope (ESEM) history
صور
- Tescan Image Gallery Some great SEM images of various specimens, as well as analytical results
- Dennis Kunkel Microscopy, Inc. Large collection of SEM images - mostly false colour
- Jeol SEM Images Twelve SEM images of various specimens
- SEM Lab at the Smithsonian National Museum of Natural History; includes a gallery of images
- Rippel Electron Microscope Facility Many dozens of (mostly biological) SEM images from Dartmouth College.
معرض صور SEM
The following are examples of images taken using a scanning electron microscope.
SEM picture of a bend in a seven-lobed polyester fiber. Note dotted line equals 20 micrometers.
An SEM image of various types of pollen.
SEM Picture of a Diatom at magnification of 5000X.
False coloured SEM image of soybean cyst nematode and egg.
SEM image of an ant head.
SEM image of asbestos fibers.
Compound eye of Antarctic krill Euphausia superba.
Ommatidia of Antarctic krill eye.
SEM image of a discharged nematocyst.
SEM image of the upper body of a Drosophila.
SEM images of the compound eye of a Drosophila.
SEM image of the grasshopper's spiracle valve.
SEM image of normal circulating human blood.
SEM image of a hederelloid from the Devonian of Michigan (largest tube diameter is 0.75 mm).
