ROLLED COPPER FOIL, COPPER-CLAD LAMINATE, PRINTED WIRING BOARD AND ELECTRONIC DEVICE USING THE SAME, METHOD FOR PRODUCING CIRCUIT CONNECTING MEMBER, AND CIRCUIT CONNECTING MEMBER
The present invention provides a rolled copper foil, a copper-clad laminate board, and a printed wiring board having excellent etching, flexibility, adhesion with a resin, and transparency of the resin after removing a copper foil with etching. The rolled copper foil includes copper over 99.9% and h...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention provides a rolled copper foil, a copper-clad laminate board, and a printed wiring board having excellent etching, flexibility, adhesion with a resin, and transparency of the resin after removing a copper foil with etching. The rolled copper foil includes copper over 99.9% and has a plating layer formed on a single surface or both surfaces. When an x-ray diffraction intensity calculated from a {112} surface in a rolled surface is I{112} and an x-ray intensity calculated from a {110} surface is I{110}, a formula(2.5 |
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