Shielding film for printed wiring board and printed wiring board

Provided are a shield film for a printed wiring board, and a printed wiring board. In the shield film, a metal layer is not easily broken due to repeated bending and sliding, ranging from a large bending radius to a small bending radius (1.0mm). A shield film (10) for a printed wiring board is provi...

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Main Authors KAMINO, KENJI, TOTOUGE, MASAYUKI, MORIMOTO, SYOHEI, KAWAKAMI, YOSHINORI
Format Patent
LanguageChinese
English
Published 01.10.2014
Subjects
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PERFORMING OPERATIONS
PRINTED CIRCUITS
TRANSPORTING
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Summary:Provided are a shield film for a printed wiring board, and a printed wiring board. In the shield film, a metal layer is not easily broken due to repeated bending and sliding, ranging from a large bending radius to a small bending radius (1.0mm). A shield film (10) for a printed wiring board is provided with a metal layer (2) formed on one surface of an insulating layer (1). The arithmetic average roughness (JIS B 0601 (year of 1994)) of the one surface of the insulating layer (1) is 0.5-5.0[mu]m, and a metal layer (2) is formed in a corrugated structure along the one surface of the insulating layer (1). The printed wiring board is provided by attaching the shield film (10) to a base film.
Bibliography:Application Number: TW20143121540