CPC H01L 24/75 (2013.01) [H01L 23/481 (2013.01); H01L 24/81 (2013.01); H01L 24/97 (2013.01); H01L 2224/75317 (2013.01); H01L 2224/81203 (2013.01); H01L 2224/95091 (2013.01)] | 11 Claims |
7. A semiconductor bonding apparatus comprising:
a first stage of a having a first pressing surface;
a second stage having a second pressing surface facing the first pressing surface;
a stopper wall at least partially surrounding a cavity configured to a stack of semiconductor dies, and wherein the stopper wall has a stopper height measured from the second pressing surface in a direction normal to the first pressing surface and configured to stop a relative movement of the first and second pressing surfaces toward each other at a distance less than or equal to the stopper height.
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