Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ki Wook Lee0
Date of Patent
April 23, 2024
0Patent Application Number
179876100
Date Filed
November 15, 2022
0Patent Citations
...
Patent Primary Examiner
Patent abstract
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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