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
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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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