electronic microradiography

electronic microradiography

[i‚lek′trän·ik ′mī·krō‚rād·ē′äg·rə·fē]
(electronics)
Microradiography of very thin specimens in which the emission of electrons from an irradiated object, either the specimen or a lead screen behind it, is used to produce a photographic image of the specimen, which is then enlarged. Also known as e-mail.
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