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发明公开
CN107428021A 钻孔用盖板和使用其的钻孔加工方法 有权

钻孔用盖板和使用其的钻孔加工方法
摘要：
一种钻孔用盖板，其具备：金属箔；和，不夹设粘接层而形成于该金属箔上的树脂组合物的层，前述树脂组合物的层在红外线光谱分析中具有1700～1750cm-1处出现的碳原子-氧原子双键的峰、和1080～1300cm-1处出现的碳原子-氧原子单键的峰，且将前述1700～1750cm-1处出现的碳原子-氧原子双键的峰的吸光度设为Abs(C＝O)L、前述1080～1300cm-1处出现的碳原子-氧原子单键的峰的吸光度设为Abs(C-O)L时，下述式(1)所示的前述树脂组合物的层的吸光度比(C)为0.12～1.80。吸光度比(C)＝Abs(C＝O)L/Abs(C-O)L式(1)。
摘要（英）：

This entry sheet for drilling holes is provided with a metal foil, and a resin composition layer which is formed on the metal foil without providing an adhesive layer therebetween. In infrared spectroscopic analysis, the resin composition layer has a carbon-oxygen double bond peak present in the range of 1700-1750 cm-1, and a carbon-oxygen single bond peak present in the range of 1080-1300 cm-1. Furthermore, when Abs(C=O)L represents the absorbance of the carbon-oxygen double bond peak present in the range of 1700-1750 cm-1, and Abs(C-O)L represents the absorbance of the carbon-oxygen single bond peak present in the range of 1080-1300 cm-1, the resin-composition-layer absorbance ratio (C) represented by formula (1), namely absorbance ratio (C) = Abs(C=O)L/Abs(C-O)L, is 0.12-1.80.

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