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    • 6. 发明申请
    • Method for semiconductor manufacturing using a negative photoresist with thermal flow properties
    • 使用具有热流特性的负性光致抗蚀剂的半导体制造方法
    • US20060228894A1
    • 2006-10-12
    • US11095216
    • 2005-03-31
    • Bang-Ching HoJen-Chieh Shih
    • Bang-Ching HoJen-Chieh Shih
    • H01L21/47
    • H01L21/31144G03F7/40H01L21/0273
    • Provided is a method for manufacturing a semiconductor device. In one example, the method includes forming a negative photoresist layer over an underlying layer, where the negative photoresist layer is soluble by a developer when formed. The negative photoresist layer is patterned using a chromium-less mask. The patterning alters at least a portion of the negative photoresist layer so that the altered portion is not soluble by the developer. The patterned negative photoresist layer is developed to form at least one opening in the negative photoresist layer by removing an unaltered portion of the negative photoresist layer. The negative photoresist layer is then heated, which causes the negative photoresist layer to flow.
    • 提供一种半导体器件的制造方法。 在一个实例中,该方法包括在下层上形成负光致抗蚀剂层,其中负光致抗蚀剂层在形成时可被显影剂溶解。 使用无铬掩模对负性光致抗蚀剂层进行图案化。 该图形改变至少一部分负性光致抗蚀剂层,使得改变的部分不被显影剂溶解。 通过去除负光致抗蚀剂层的未改变的部分,显影图案化的负性光致抗蚀剂层以在负性光致抗蚀剂层中形成至少一个开口。 然后加热负性光致抗蚀剂层,这导致负性光致抗蚀剂层流动。