Invention Grant
US08367540B2 Interconnect structure including a modified photoresist as a permanent interconnect dielectric and method of fabricating same 有权
包括作为永久互连电介质的改性光致抗蚀剂的互连结构及其制造方法

Interconnect structure including a modified photoresist as a permanent interconnect dielectric and method of fabricating same
Abstract:
A photoresist conversion that changes a patterned photoresist into a permanent patterned interconnect dielectric is described. The photoresist conversion process includes adding a dielectric enabling element into a patterned photoresist. The dielectric enabling element-containing photoresist is converted into a permanent patterned dielectric material by performing a curing step. In one embodiment, a method is described that includes providing at least one photoresist to an upper surface of a substrate. At least one interconnect pattern is formed into the at least one photoresist. A dielectric enabling element is added to the patterned photoresist and thereafter the patterned photoresist including the dielectric enabling element is cured into a cured permanent patterned dielectric material. The cured permanent patterned dielectric material includes the dielectric enabling therein.
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