发明名称 MICROFABRICATION PROCESSING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a microfabrication processing method capable of planning a long life improvement and an improvement of a microfabrication accuracy of microfabrication processing agent. SOLUTION: The microfabrication processing method is characterized by storing and using the microfabrication processing agent of aqueous solution containing at least one kind of hydrofluoric acid or ammonium fluoride in a range of a chemical temperature of 5 to 15°C for a predetermined period, and by carrying out a microfabrication of a workpiece in the range of the chemical temperature in case of using the microfabrication processing agent. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2007273798(A) 申请公布日期 2007.10.18
申请号 JP20060098543 申请日期 2006.03.31
申请人 STELLA CHEMIFA CORP 发明人 OMI TADAHIRO;MIYASHITA MASAYUKI;KUJIME TAKANOBU;FUTAI KEIICHI;HASEBE RUI;TSURUMARU KAZUSHI
分类号 H01L21/306;C23F1/08;C23F1/24;C23F1/30 主分类号 H01L21/306
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