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    • 5. 发明申请
    • EDGE BEAD REMOVAL FOR SPIN-ON MATERIALS CONTAINING LOW VOLATILITY SOLVENTS USING CARBON DIOXIDE CLEANING
    • 使用二氧化碳清洗液包含低挥发性溶剂的旋转材料的边缘珠去除
    • WO2004077529A2
    • 2004-09-10
    • PCT/US2004006146
    • 2004-02-26
    • HONEYWELL INT INCENDISCH DENIS
    • ENDISCH DENIS
    • H01L21/027B08B7/00G03F7/16H01L21/00H01L21/304H01L21/311H01L21/312H01L21/316H01L
    • H01L21/6708B08B7/0092G03F7/168H01L21/02126H01L21/02216H01L21/02282H01L21/3105H01L21/31111H01L21/3122H01L21/316
    • Methods are provided for removing edge beads from spin-on films. A spin-on film is removed from a region of a surface of a spin-coated substrate adjacent to an edge of the surface by spinning the spin-coated substrate, expanding a fluid through a nozzle to form a cryogenic aerosol stream against the spin-on film in the region as the substrate spins. In another aspect of the invention, a film is formed on a surface of a substrate by dispensing a liquid composition onto the surface, spinning the substrate to distribute the liquid composition to form a substantially uniform film on the surface, expanding a fluid through a nozzle to form a cryogenic aerosol stream, and directing the cryogenic aerosol stream against the film in a region of the surface adjacent to an edge of the surface as the substrate spins. The film may include an alkoxysilane and a low volatility solvent. The fluid may consists essentially of liquid carbon dioxide. A spin-on film containing low volatility solvents does not grow back into the region from which the film was removed, the edge bead removal process time can be reduced to less than about 10 seconds, and the volume of waste solvent is reduced.
    • 提供了用于从旋涂膜上去除边缘珠的方法。 通过纺丝旋涂基材,旋转旋转涂布基材的邻近表面边缘的表面的区域,将旋涂膜除去,使流体膨胀通过喷嘴,形成针对旋转涂层的低温气溶胶流, 在该区域的膜上作为底物旋转。 在本发明的另一方面,通过将液体组合物分配到表面上,在基材的表面上形成膜,旋转基材以分散液体组合物以在表面上形成基本上均匀的膜,使流体通过喷嘴 以形成低温气溶胶流,并且当衬底旋转时,将低温气溶胶流引向邻近表面边缘的表面的区域中的膜。 该膜可以包括烷氧基硅烷和低挥发性溶剂。 流体可以基本上由液体二氧化碳组成。 含有低挥发性溶剂的旋涂薄膜不会生长回去除膜的区域,边缘珠去除处理时间可以减少到小于约10秒,并且废溶剂的体积减小。
    • 8. 发明专利
    • Edge bead removal for spin-on materials using carbon-dioxide cleaning
    • AU6672501A
    • 2001-12-17
    • AU6672501
    • 2001-06-05
    • HONEYWELL INT INC
    • ENDISCH DENIS
    • H01L21/027B08B7/00H01L21/304H01L21/311H01L21/312B08B3/02B05D1/02
    • Methods are provided for removing edge beads from spin-on films. A spin-on film is removed from a region of a surface of a spin-coated substrate adjacent to an edge of the surface by spinning the spin-coated substrate, expanding a fluid through a nozzle to form a cryogenic aerosol stream, and directing the cryogenic aerosol stream against the spin-on film in the region as the substrate spins. In another aspect of the invention, a film is formed on a surface of a substrate by dispensing a liquid composition onto the surface, spinning the substrate to distribute the liquid composition to form a substantially uniform film on the surface, expanding a fluid through a nozzle to form a cryogenic aerosol stream, and directing the cryogenic aerosol stream against the film in a region of the surface adjacent to an edge of the surface as the substrate spins. The film may include an alkoxysilane and a low volatility solvent. The fluid may consists essentially of liquid carbon dioxide. A spin-on film containing low volatility solvents does not grow back into the region from which the film was removed, the edge bead removal process time can be reduced to less than about 10 seconds, and the volume of waste solvent is reduced.