emission electron

e·mis·sion e·lec·tron

a beta particle resulting from radioactive decay.
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Tokyo, Jan 31, 2012 - (JCN Newswire) - Hitachi Ltd and Hitachi High-Technologies Corporation today announced they had received the IEEE Milestone for Hitachi's pioneering development of the world's "First Practical Field Emission Electron Microscope, 1972" from the IEEE, the world's largest professional association in the electrical, electronics, information and communications engineering fields.
Another new entrant in this field is Novelx, which has recently begun shipment of the mySEM, which is distinguished by its field emission electron source.
The new microscope replaces two older units and provides a high-intensity field emission electron source and state-of-the-art electron optics.
They then took video images of vortex patterns using a 300-kilovolt field emission electron microscope.
Silicon-based microfabrication techniques enable Agilent to design and fabricate a miniature electrostatic electron beam column combined with a field emission electron source for the 8500.
The Quanta 50 Series will be available in April 2009, and includes cost-effective tungsten and high-performance field emission electron source options.

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