Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board

A substrate for a printed circuit board according to an embodiment of the present invention includes a base film and a metal layer disposed on at least one of surfaces of the base film. In the substrate for a printed circuit board, an amount of nitrogen present per unit area, the amount being determ...

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Bibliographische Detailangaben
Hauptverfasser: Oka, Yoshio, Uchita, Yoshifumi, Kiya, Satoshi, Nakabayashi, Makoto, Yamanaka, Yuichiro
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A substrate for a printed circuit board according to an embodiment of the present invention includes a base film and a metal layer disposed on at least one of surfaces of the base film. In the substrate for a printed circuit board, an amount of nitrogen present per unit area, the amount being determined on the basis of a peak area of a N1s spectrum in XPS analysis of a surface of the base film exposed after removal of the metal layer by etching with an acidic solution, is 1 atomic % or more and 10 atomic % or less.