Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chang Ho Lee0
Choon Kon Kim0
Hae Yong Lee0
Date of Patent
January 1, 2008
0Patent Application Number
110456880
Date Filed
January 28, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a sapphire/gallium nitride laminate, wherein a curvature radius thereof is positioned on the right side of a first curve plotted from the following functional formula (I):Y=Y0+A·e−(x−1)/T (I)wherein Y is the curvature radius (m) of a sapphire/gallium nitride laminate, X is the thickness (μm) of a gallium nitride film, Y0 is 5.47±0.34, A is 24.13±0.50, and T is 0.56±0.04. The inventive laminate can be advantageously used in the manufacture of a high quality electronic device.
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