Micron Technology Incorporated

Lin Bu

Hong Wan Ng

Ling Pan

Yeow Chon Ong

Faxing Che

Wei Yu

A semiconductor package assembly includes a substrate, a die stack including at least a bottom die, an inert top spacer, and at least a first inert base spacer. The inert top and base spacers are exclusive of any circuits. A top surface of the inert top spacer is directly attached to a bottom surface of the bottom die in the die stack. A top surface of the first inert base spacer is directly attached to a bottom surface of the inert top spacer and a bottom surface of the first inert base spacer is directly attached to the substrate. The footprint of the inert base spacer is smaller than the footprint of the inert top spacer. In some embodiments, the footprint of the inert base spacer is positioned entirely within the footprint of the inert top spacer.

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Singapore, Singapore

Lin Bu