Methods for fabricating compound material wafers

Semiconductor device manufacturing: process – Bonding of plural semiconductor substrates – Subsequent separation into plural bodies

Reexamination Certificate

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Details

C438S406000, C438S455000, C438S459000, C257SE21568, C257SE21122

Reexamination Certificate

active

07851330

ABSTRACT:
Methods are disclosed for preparing a reconditioned donor substrate by providing a remainder substrate from a donor substrate wherein the remainder substrate has a detachment surface where a transfer layer was detached and an opposite surface; and depositing an additional layer onto the opposite surface of the remainder substrate to increase its thickness and to form a reconditioned substrate. The reconditioned substrate is recycled as a donor substrate for fabricating compound material wafers.

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