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发明名称
无水氢氟酸组合物及其制备方法
摘要
本发明系关于一种降低无水氢氟酸之水含量之方法,其中使具有第一水杂质浓度之粗无水氢氟酸与羰基氟化物接触以制备具有第二水杂质浓度之无水氢氟酸,其中该第二浓度系低于该第一浓度。
申请公布号
TW200726718
申请公布日期
2007.07.16
申请号
TW095139581
申请日期
2006.10.26
申请人
哈尼威尔国际公司
发明人
马修 路利;乔治 库克
分类号
C01B7/19(2006.01);C09K13/08(2006.01);H01L21/306(2006.01)
主分类号
C01B7/19(2006.01)
代理机构
代理人
陈长文
主权项
地址
美国
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