back-emission electron radiography

[′bak i′mish·ən i′lek‚trän ‚rād·ē′äg·rə·fē] (electronics) A technique used in microradiography to visualize, among other things, the presence of material of different atomic numbers in the surface of the specimen being observed; the polished side of the specimen is facing and in close contact with the emulsion side of a fine-grain photographic plate; a light-tight cover holds the specimen and plate in place to be subjected to hardened x-rays.

单词	back-emission electron radiography
释义	back-emission electron radiography back-emission electron radiography [′bak i′mish·ən i′lek‚trän ‚rād·ē′äg·rə·fē] (electronics) A technique used in microradiography to visualize, among other things, the presence of material of different atomic numbers in the surface of the specimen being observed; the polished side of the specimen is facing and in close contact with the emulsion side of a fine-grain photographic plate; a light-tight cover holds the specimen and plate in place to be subjected to hardened x-rays.
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