Shielding film, shielded printed circuit board, shielded flexible printed circuit board, method of manufacturing shielding film, and method of manufacturing shielded printed circuit board

aa a a ba a. The invention includes a shielding film, which does not have breakage of a metal layer, and has excellent abrasion resistance and blocking resistance, and does not crack. The cover film is provided on one surface of a separation film , and an adhesive layer is formed on the surface of t...

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Bibliographic Details
Main Authors Hashimoto, Kazuhiro, Morimoto, Syohei, Kawakami, Yoshinori, Kamino, Kenji, Ebihara, Satoshi, Tanaka, Hideaki, Akatsuka, Takahisa
Format Patent
LanguageEnglish
Published 04.05.2010
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Summary:aa a a ba a. The invention includes a shielding film, which does not have breakage of a metal layer, and has excellent abrasion resistance and blocking resistance, and does not crack. The cover film is provided on one surface of a separation film , and an adhesive layer is formed on the surface of the cover film opposite to the separation film via the metal layer. The cover film has at least one hard layer and at least one soft layer , and the surface of the cover film facing the separation film is composed of the hard layer