William Park & Associates Ltd.
Wafer level packages and electronics system including the same
Wafer level packages are provided. The wafer level package includes alignment marks disposed at a first surface of a protection wafer, a semiconductor die disposed on the first surface of the protection wafer to be spaced apart from the alignment marks, a first photosensitive dielectric layer covering the semiconductor die and having a flat top surface, and a second dielectric layer covering the flat top surface of the first photosensitive dielectric layer. Redistribution lines are disposed between the first photosensitive dielectric layer and the second dielectric layer and electrically connected to the semiconductor die through first opening portions penetrating the first photosensitive dielectric layer. Outer connectors are disposed on the second dielectric layer and electrically connected to the redistribution lines through second opening portions penetrating the second dielectric layer.
SK hynix Inc.
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Ki Jun Pil Soon Hyeong Seok Jong Hoon Young Geun
Sung Bae Choi Kim Yoo