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    • 5. 发明申请
    • CLEANING AGENT, METHOD AND EQUIPMENT
    • 清洁剂,方法和设备
    • WO1996012571A1
    • 1996-05-02
    • PCT/JP1995002149
    • 1995-10-19
    • KABUSHIKI KAISHA TOSHIBATOSHIBA SILICONE CO., LTD.KUMAGAI, MasaruSHIMOZAWA, HiroshiOGUNI, NaoyukiINADA, MinoruSAITO, NobuhiroYAMAFUJI, ShigeoSHIMIZU, ChiyukiUMEHARA, Kazunori
    • KABUSHIKI KAISHA TOSHIBATOSHIBA SILICONE CO., LTD.
    • B08B03/08
    • H01L21/67005B08B3/08C11D7/28C11D7/5018C11D7/5095C11D11/0047C23G5/02803C23G5/032C23G5/04H05K3/26
    • A cleaning agent which can substitute for chlorofluorocarbon or chlorinated solvents, a method of cleaning therewith, and equipment therefor. In particular, a method of cleaning electronics parts such as printed boards or mounted parts or metallic parts which makes it possible to remove various contaminants from the parts and dry the same to the extent comparative to that of the method of cleaning with chlorofluorocarbon or chlorinated solvents, and a cleaning agent and equipment therefor. Examples of the cleaning agent include polar cleaning agents with a solubility parameter of 9 or above or a permittivity of 4 or above, mixtures thereof with other cleaning agents with a solubility parameter of less than 9 and a permittivity of less than 4, and cleaning agents containing as the active ingredient an azeotropic or pseudoazeotropic composition containing a low-molecular-weight siloxane compound. The cleaning method is characterized by comprising at least one step selected from the group consisting of the step of cleaning the object with a polar cleaning agent having a solubility parameter of 9 or above or a permittivity of 4 or above, the step of rinsing the object with a mixture of the above polar cleaning agent with another cleaning agent having a solubility parameter of less than 9 and a permittivity of less than 4, and the drying step.
    • 可替代氯氟烃或氯化溶剂的清洁剂,其清洗方法及其设备。 特别地,一种清洁诸如印刷板或安装部件或金属部件的电子部件的方法,其使得可以从部件中除去各种污染物并将其干燥至与用氯氟烃或氯化溶剂的清洁方法相当的程度 ,以及清洁剂及其设备。 清洁剂的实例包括溶解度参数为9或更高的介电常数为4或更高的极性清洁剂,其溶解度参数小于9,介电常数小于4的其它清洁剂的混合物,以及清洁剂 作为活性成分含有含有低分子量硅氧烷化合物的共沸或假性组合物。 清洗方法的特征在于包括至少一个步骤,所述步骤选自用溶解度参数为9或更高的极性清洁剂或介电常数为4或更高的清洁物体的步骤,冲洗物体的步骤 与上述极性清洗剂与溶解度参数小于9,介电常数小于4的另一种清洗剂的混合物,以及干燥步骤。