| http://www.w3.org/ns/prov#value | - As soon asthe recesses 27 have been formed, a thin metal film 28 of a suitable material such as aluminum is deposited on the surface of the oxide layer 26 by suitable means such as evaporation so that the aluminum layer extends into the recesses 27 and makes contact with the diffused regions and also generally overlies the entire surface 26.
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