| http://www.w3.org/ns/prov#value | - By such a bias condition, an electric field of about 6-7 MV/cm is formed across a tunneling oxide layer 5 which has a thickness of about 100 A, and negative charges accumulated in the floating gate 6 are emitted via the tunneling oxide layer 5 to the bulk 2 via a mechanism such as Fowler-Nordheim tunneling.
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