Substrate etch method and device

Semiconductor device manufacturing: process – Chemical etching – Combined with coating step

Reexamination Certificate

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C438S706000, C438S719000, C438S745000, C257S622000

Reexamination Certificate

active

06933237

ABSTRACT:
The present invention provides methods and an etched substrate. In one embodiment, a method for etching a substrate is provided which comprises creating an etch hole in the substrate using a through the substrate etch and forming a junction on an interior of the etched hole for forming a semiconductor device therein.

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