发明名称 |
Substrate processing apparatus and substrate processing method |
摘要 |
A substrate processing apparatus for supplying a treatment liquid onto the surface of a substrate to treat the same. This apparatus is provided with: a spin chuck for holding and rotating a substrate; a nozzle for supplying a treatment liquid to the substrate held by the spin chuck; a circulating passage arranged such that the treatment liquid supplied to the substrate from the nozzle and used for substrate treatment is circulated to the nozzle and reutilized for substrate treatment; a metal contamination amount measuring device for measuring the metal contamination amount in the treatment liquid passing through the circulating passage; and a judgment processing unit for judging whether or not the value measured by the metal contamination amount measuring device has exceeded a predetermined set value.
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申请公布号 |
US7591922(B2) |
申请公布日期 |
2009.09.22 |
申请号 |
US20050101739 |
申请日期 |
2005.04.08 |
申请人 |
DAINIPPON SCREEN MFG. CO., LTD. |
发明人 |
OKAMOTO YOSHIO |
分类号 |
G01N1/32;H01B13/00;C23C16/00;G01N1/28;G01N27/48;H01L21/00 |
主分类号 |
G01N1/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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