http://www.w3.org/ns/prov#value | - Steps up to the formation of an island-like semiconductor film 405 over a substrate 401 are the same as in FIG. 5A. Next, an insulating film such as a silicon nitride film is formed and a shape of the insulating film is processed by etching to form a channel protective film 601 near the center over the island-like semiconductor film 405.
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