Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norio Nakajima0
Takahiro Watanabe0
Toshifumi Oida0
Eigoro Ina0
Date of Patent
July 17, 2007
0Patent Application Number
098842740
Date Filed
June 19, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An RF module includes a multi-layered substrate. A base-band IC, a memory IC, a quartz oscillator and surface-mount components are mounted on the upper surface of the multi-layered substrate. A metallic cap also is attached to the upper surface of the multi-layered substrate. A cavity is formed in the lower surface of the multi-layered substrate substantially at the center thereof. A first RF-IC and a second RF-IC are embedded in the cavity. Wiring patterns for providing connections between the base-band IC and the memory IC, through-holes, RF passive components, and the shield ground electrode pattern are disposed inside of the multi-layered substrate.
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