Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dongdong Wang0
Motoo Asai0
Seiji Shirai0
Yasushi Inagaki0
Hideo Yabashi0
Date of Patent
March 11, 2008
0Patent Application Number
107808560
Date Filed
February 19, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A chip capacitor 20 is provided in a core substrate 30 of a printed circuit board 10. This makes it possible to shorten a distance between an IC chip 90 and the chip capacitor 20 and to reduce loop inductance. Since the core substrate 30 is constituted by providing a first resin substrate 30a, a second resin substrate 30b and a third resin substrate 30c in a multilayer manner, the core substrate 30 can obtain sufficient strength.
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