Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Satoshi Toriumi0
Date of Patent
March 1, 2011
Patent Application Number
12122911
Date Filed
May 19, 2008
Patent Primary Examiner
Patent abstract
A separation layer containing a halogen element is formed over a glass substrate by a plasma CVD method; a semiconductor element is formed over the separation layer; and separation is then performed inside the separation layer or at its interface, so that the large-area glass substrate and the semiconductor element are detached from each other. In order to perform detachment at the interface between the glass substrate and the separation layer, the separation layer may have concentration gradient of the halogen element, and the halogen element is contained more near the interface between the separation layer and the glass substrate than in the other areas.
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