Method to fill the gap between coupled wafers

Semiconductor device manufacturing: process – Coating of substrate containing semiconductor region or of... – Insulative material deposited upon semiconductive substrate

Reexamination Certificate

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C438S792000, C438S906000

Reexamination Certificate

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07087538

ABSTRACT:
A three-dimensional integrated circuit formed by applying a material to fill a gap between coupled wafers and slicing the coupled wafers into dice. A method for filling a gap between coupled wafers. Various embodiments include at least one of spinning a coupled wafer pair, drilling a hole into one of the coupled wafers, and using a vacuum to aid in the dispersion of the material.

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