| 摘要 |
A flexible circuit board includes a base film which is composed of an aluminum sheet and first protective films formed on the respective surfaces of the aluminum sheet and has a sprocket hole and a device hole, a predetermined conductor pattern which is formed on a surface of the base film, and a second protective film which is composed of aluminum and an electrically insulative film formed on a surface of the aluminum and is formed so as to cover the predetermined conductor pattern.
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