FLEXIBLE PRINTED CIRCUIT BOARD HAVING WATERPROOF STRUCTURE AND FOLDABLE ELECTRONIC DEVICE INCLUDING THE SAME
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 9, 2024
filing date -
Dec 9, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
An electronic device includes a first housing having a first through-hole, of which a first opening and a second opening are communicated with each other, and a second housing connected to the first housing to be rotatable. A flexible printed circuit board (FPCB) extends from the first housing to the second housing via the first through-hole. The FPCB includes a plurality of layers, a first sealing member disposed in the first through-hole and surrounding the FPCB, and a lamination part toward the first sealing member. A portion of a first layer and/or a second layer corresponding to the second lamination part includes at least one first valley extending from a surface that faces an adjacent layer in a lengthwise direction of the FPCB. The lamination part includes a first adhesive layer interposed between the first layer and the second layer and filling the at least one first valley.
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