Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koh Masahara0
Hiroshi Nonoue0
Kenichiro Wakisaka0
Date of Patent
March 13, 2007
0Patent Application Number
110572180
Date Filed
February 15, 2005
0Patent Primary Examiner
Patent abstract
A dielectric ceramic material which is obtained by firing a raw material comprising an alumina powder and a glass powder containing at least SiO2 and MgO, the dielectric ceramic material being characterized in that a ratio (MgAl2O4 (311)/Al2O3 (116)) in X-ray diffraction peak intensity of an MgAl2O4 (311) to an Al2O3 (116) is at least 0.5.
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