Method of removing an etch mask

Method of removing an etch mask

An embodiment method includes forming a patterned etch mask over a target layer and patterning the target layer using the patterned etch mask as a mask to form a patterned target layer. The method further includes performing a first cleaning process on the patterned etch mask and the patterned targe...

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Hauptverfasser: Huang, Ping-Jung, Chu, Chun-Han, Yen, Bi-Ming, Shih, Jui-Ming, Chuo, Tsung-Min, Chen, Nai-Chia
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator Huang, Ping-Jung
Chu, Chun-Han
Yen, Bi-Ming
Shih, Jui-Ming
Chuo, Tsung-Min
Chen, Nai-Chia
description An embodiment method includes forming a patterned etch mask over a target layer and patterning the target layer using the patterned etch mask as a mask to form a patterned target layer. The method further includes performing a first cleaning process on the patterned etch mask and the patterned target layer, the first cleaning process including a first solution. The method additionally includes performing a second cleaning process to remove the patterned etch mask and form an exposed patterned target layer, the second cleaning process including a second solution. The method also includes performing a third cleaning process on the exposed patterned target layer, and performing a fourth cleaning process on the exposed patterned target layer, the fourth cleaning process comprising the first solution.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Method of removing an etch mask
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