US Patent 7189669 Dielectric ceramic material and multilayer ceramic substrate
Patent 7189669 was granted and assigned to Sanyo on March, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Hiroshi Nonoue0
Kenichiro Wakisaka0
Koh Masahara0
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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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US Patent 07189669 Dielectric ceramic material and multilayer ceramic substrate US Patent 7189669 Dielectric ceramic material and multilayer ceramic substrate
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Patent Number
071896690
Patent Number
71896690
Edits on 27 Mar, 2023
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Current Assignee
Patent Jurisdiction
Patent Number
071896690
Date of Patent
March 13, 2007
0Patent Application Number
110572180
Date Filed
February 15, 2005
0Official Website
Patent Primary Examiner
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US Patent 07189669 Dielectric ceramic material and multilayer ceramic substrate
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07189669
Date of patent
March 13, 2007
Patent application number
11057218
Date Filed
February 15, 2005
Patent primary examiner
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