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    • 18. 发明专利
    • Metal foil lamination polyimide resin substrate
    • 金属箔层压聚酰胺树脂基材
    • JP2009101639A
    • 2009-05-14
    • JP2007276715
    • 2007-10-24
    • Ube Ind Ltd宇部興産株式会社
    • SHIMOKAWA HIROTOOKABE ATSUSHI
    • B32B15/088H05K1/03H05K3/38
    • H05K3/384B32B5/147B32B15/08B32B15/20B32B27/08B32B27/20B32B27/281B32B2255/06B32B2255/10B32B2255/24B32B2307/206B32B2307/306B32B2307/3065B32B2307/308B32B2307/50B32B2307/538B32B2307/54B32B2307/714B32B2457/08H05K1/0346H05K3/389H05K2201/0154H05K2201/0355H05K2203/0723Y10T428/27
    • PROBLEM TO BE SOLVED: To examine a metal foil, a polyimide resin substrate or the like which composes a metal foil lamination polyimide resin substrate, and especially a metal foil surface and to provide a metal foil lamination polyimide resin substrate in which fine pitch wiring can be formed, and the surface of a polyimide resin substrate which is cleared of a metal foil such as a copper foil by etching or the like has the improved adhesion with an organic material of adhesiveness such as an anisotropic electric conductive film. SOLUTION: The metal foil lamination polyimide resin substrate comprises directly laminating a metal foil to one side or both sides of a polyimide resin substrate, and is characterized in that in the adhesion surface with the polyimide resin substrate of the metal foil, the surface roughness (Rzjis) is at most 3.0 μm, the value of a surface area ratio (B) computed by the ratio [A/6, 550] of the surface area (three-dimensional area: A μm 2 ) when measuring a two-dimensional domain having the surface area of 6, 550 μm 2 by a laser method to the two-dimensional domain area is in the range of 1.25-2.50, and the quantity of chromium per unit area of the two-dimensional domain is at least 2.0 mg/m 2 . COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了检查构成金属箔层压聚酰亚胺树脂基板,特别是金属箔表面的金属箔,聚酰亚胺树脂基板等,并提供金属箔层压聚酰亚胺树脂基板,其中精细 可以形成节距布线,通过蚀刻等清除铜箔等金属箔的聚酰亚胺树脂基板的表面与各向异性导电膜等粘合性有机材料的粘合性提高。 解决方案:金属箔层压聚酰亚胺树脂基板包括在聚酰亚胺树脂基板的一侧或两侧直接层压金属箔,其特征在于,在与金属箔的聚酰亚胺树脂基板的粘接面中, 表面粗糙度(Rzjis)为3.0μm以下,通过表面积的比[A / 6,550]计算出的表面积比(B)的值(三维面积:Aμm 2 < SP>)通过激光法将表面积为6,550μm 2 的二维域测量到二维域区时的范围在1.25-2.50的范围内,并且数量 的二维结构域的单位面积的铬为2.0mg / m 2以上。 版权所有(C)2009,JPO&INPIT