| 摘要 |
PROBLEM TO BE SOLVED: To provide a copper foil laminate which can improve reliability of electronic devices by increasing adhesive force between a copper foil and an insulating material, and a method for treating a surface of a copper foil. SOLUTION: For the purpose of improving an adhesive force to an insulating material, a mixed silane coupling agent comprising a silane coupling agent containing a group having an amino functional group and a silane coupling agent containing a group having a glycydoxy functional group is coated on a surface of a copper foil 1 as an upper layer for increasing an adhesive force, whereby a synergy effect by using the mixed coupling agent can be made into maximum without being influenced by the characteristics (basiticy or acidity) of a reaction group on a surface of the insulating material to give an improved adhesive force between the insulating material and the copper foil. COPYRIGHT: (C)2008,JPO&INPIT
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