Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 16, 2010
Patent Application Number
12272468
Date Filed
November 17, 2008
Patent Primary Examiner
Patent abstract
The high thermal conductive aluminum nitride sintered body according to the present invention has: a thermal conductivity of 220 W/m·K or more; and a three point bending strength of 250 MPa or more; wherein a ratio (IAl2Y4O9/IAlN) of X-ray diffraction intensity (IAl2Y4O9) of Al2Y4O9 (201 plane) with respect to X-ray diffraction intensity (IAlN) of aluminum nitride (101 plane) is 0.002 to 0.03. According to the foregoing structure, there can be provided an aluminum nitride sintered body having a high thermal conductivity and excellent heat radiating property.
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