lep591s6a
Joined: 23 Mar 2011 Posts: 7
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Posted: Wed 3:03, 13 Apr 2011 Post subject: LED product standards across the Taiwan Strait to |
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substrate, because it used to be a rough hand,[link widoczny dla zalogowanych] is not possible even on the surface coated with a layer of silicon dioxide protective layer during etching, the thin covering of silicon dioxide will be the first area to be etched sapphire substrate, thereby roughening the surface of the formation.
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