发明名称 System for controlling fluid flow
摘要 Embodiments of the present invention provide systems and methods of controlling fluid dispense to ensure clean break off of fluid at the end of a dispense process and to reduce crystallization of fluid in the dispense nozzle. One embodiment of the present invention can include a controller that can, generate a flow control signal to cause a control valve to close according to a first close rate parameter for a first segment of the close range and to generate the flow control signal to cause the control valve to close according to a second close rate parameter for a second segment of the close range.
申请公布号 US7107128(B2) 申请公布日期 2006.09.12
申请号 US20040779009 申请日期 2004.02.13
申请人 发明人
分类号 G05D7/00;G05D7/06;G05D11/00;G05D13/00 主分类号 G05D7/00
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