Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 17, 2009
Patent Application Number
11902487
Date Filed
September 21, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed is an insulating material for a printed circuit board, including a liquid crystal polyester resin and ceramic powder, thus exhibiting a temperature coefficient of capacitance ranging from −300 to +300 ppm/° C. in the temperature range of −55˜125° C. and a dielectric constant ranging from 5 to 40. This insulating material has superior dielectric properties, and a small change in dielectric constant depending on the change in temperature, and thus exhibits high reliability when applied to high-frequency circuits.
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