A device forming thin film for forming a semiconductor device; an inhibition portion that surrounds the device forming thin film and inhibits growth of a precursor of the device forming thin film into a crystal; a sacrificial growth portion that is formed by causing the precursor to sacrificially grow into a crystal, and is positioned around the device forming thin film separated by the inhibition portion; and a protection film that covers a top portion of the sacrificial growth portion and exposes a top portion of the device forming thin film are included. The protection film may be made of polyimide.
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