Provided are a transparent nonvolatile memory thin film transistor and a method of manufacturing the same. The invention also relates to methods for producing a modified PH5DP maize plant that comprises in its genetic material one or more transgenes or backcross conversion genes and to the transgenic and backcross conversion maize plants produced by these methods. An embedded information-extracting section extracts specific information contained in the read image. The forming gas is, preferably, comprised of a gas consisting of: argon, nitrogen, and any other inert gas. The optical device has a second electrode portion fixed to the fixed portion so as to face another surface of the movable portion with a third gap between the movable portion and the second electrode portion.