Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ki Wook Lee0
Date of Patent
December 13, 2022
0Patent Application Number
168836310
Date Filed
May 26, 2020
0Patent Citations
Patent Citations Received
Patent Primary Examiner
A printed circuit board can include a substrate layer, a first metal layer disposed over the substrate layer, a core layer disposed over the first metal layer, and a second metal layer disposed over the core layer, where the core layer defines a closed cavity between the first and second metal layers. Optionally, the cavity is filled with air and operates as an antenna.
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