Supercritical water jet cleaning equipment
A technology for supercritical water and cleaning equipment, which is applied in cleaning methods and utensils, cleaning methods using liquids, chemical instruments and methods, etc. Effects of uniformity, improved cleaning repeatability and wafer-to- wafer uniformity
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[0032] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following is a specific example in conjunction with the removal of photoresist on the surface of the silicon wafer, and the present invention is further described in detail with reference to the accompanying drawings.
[0033] Such as figure 1 As shown, figure 1 It is a schematic diagram of the structure of the supercritical water jet cleaning equipment provided by the present invention. The equipment includes a supercritical water jet generating device 1, a cleaning chamber 2 and a cleaning product recovery processing device 3, wherein the supercritical water in the supercritical water jet generating device 1 It reaches the silicon wafer in the cleaning chamber 2 in the form of a jet, and forms a supercritical water constant temperature and pressure microenvironment on the surface of the silicon wafer. Using the physical and chemical properties of supercritical water...
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