Atmospheric process and system for controlled and rapid...

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching

Reexamination Certificate

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C438S730000, C438S795000, C216S067000, C250S492200

Reexamination Certificate

active

06955991

ABSTRACT:
A hot arc-type plasma generating system is described to etch a polymer on a substrate used in the manufacture of semiconductor devices. The etching process is particularly useful to remove a polymer from high aspect ratio holes, that can include trenches, greater than about 10 to 1 and even greater than 50 to 1.

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patent: WO 01/23130 (2001-04-01), None
PCT International Search Report mailed on Nov. 28, 2000 for copending International Patent Application PCT/US00/27113.

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