| 摘要 |
PROBLEM TO BE SOLVED: To provide a desmear solution by which, when a via hole of a fluororesin substrate is subjected to desmear processing, a smear is effectively removed and the hole is not deformed nor damaged as a result, and to provide a desmear processing method. SOLUTION: The desmear solution for fluororesin substrate which contains oxyalkylamine and an alkali metal compound and the desmear processing method using the same are provided. COPYRIGHT: (C)2009,JPO&INPIT
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