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A reclaiming process for solar cell silicon wafer surfaces.

Authors
Type
Published Article
Journal
Journal of Nanoscience and Nanotechnology
1533-4880
Publisher
American Scientific Publishers
Publication Date
Volume
11
Issue
1
Pages
691–695
Identifiers
PMID: 21446525
Source
Medline
License
Unknown

Abstract

The low yield of epoxy film and Si3N4 thin-film deposition is an important factor in semiconductor production. A new design system using a set of three lamination-shaped electrodes as a machining tool and micro electro-removal as a precision reclaiming process of the Si3N4 layer and epoxy film removal from silicon wafers of solar cells surface is presented. In the current experiment, the combination of the small thickness of the anode and cathodes corresponds to a higher removal rate for the thin films. The combination of the short length of the anode and cathodes combined with enough electric power produces fast electroremoval. A combination of the small edge radius of the anode and cathodes corresponds to a higher removal rate. A higher feed rate of silicon wafers of solar cells combined with enough electric power produces fast removal. A precise engineering technology constructed a clean production approach for the removal of surface microstructure layers from silicon wafers is to develop a mass production system for recycling defective or discarded silicon wafers from solar cells that can reduce pollution and lower cost.

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