发明名称 |
Method and device for diluting ultra-pure chemical products for use in the microelectronic industry |
摘要 |
A system for preparing a specific mixture of water and a chemical, for use in semiconductor microcircuit manufacture, comprises a vessel (1) for concentrated chemical and a supply (14) of pure water connected by respective valves to a mixing vessel (7), which forms part of a circuit including a pump (24) and a device (32) to monitor the concentration of the mixture, and a vessel (36) which receives the mixture after it has been finally adjusted to the desired concentration and adequately mixed. |
申请公布号 |
EP0870535(A1) |
申请公布日期 |
1998.10.14 |
申请号 |
EP19980400729 |
申请日期 |
1998.03.27 |
申请人 |
LABEILLE S.A. |
发明人 |
LAEDERICH, THIERRY;GUARNERI, GEORGES;DULPHY, HERVE |
分类号 |
B01F3/08;B01F15/04;B01J19/00;G05D11/02;G05D11/13;G05D21/00;G05D21/02;H01L21/304 |
主分类号 |
B01F3/08 |
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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