Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sadanori Yamanaka0
Yoshinobu Ono0
Date of Patent
March 1, 2011
0Patent Application Number
116612660
Date Filed
August 30, 2005
0Patent Primary Examiner
Patent abstract
A compound semiconductor luminescent device characterized by comprising an electroconductive substrate, a compound semiconductor function layer including a GaN layer, an electrode, an adhesiveness-enhancing layer, and a bonding layer, which are stacked in this order wherein the above-described electroconductive substrate includes a metal material that indicates a thermal expansion coefficient different by 1.5×10−6/° C. or less from GaN.
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