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Glossary terms about Raster

Raster
The pattern of scanning line-by-line on the screen of a visual display, such as a television screen or computer monitor.


3 pages mention Raster

Layout
The SEM uses a beam of high energy electrons generated by an electron gun, processed by magnetic lenses, focused at the specimen surface and systematically scanned (rastered) across the surface of a specimen. 
Magnetic lens system
This is also called rastering. 
Operation unit