Wafer with diamond layer

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

Reexamination Certificate

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C257SE21561

Reexamination Certificate

active

07605055

ABSTRACT:
A method of manufacturing a wafer using a support substrate of a crystalline material. On the surface of the support substrate, a layer of a diamond is grown to form a first wafer in combination with the support substrate. A further substrate is bonded to the surface of the diamond layer, and a region of weakness is formed within the first wafer or the further substrate. Energy is then applied at the region of weakness to detach the structure into a first portion and a second portion.

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