18821067. PRINTED CIRCUIT BOARD (LG INNOTEK CO., LTD.)
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Contents
PRINTED CIRCUIT BOARD
Organization Name
Inventor(s)
PRINTED CIRCUIT BOARD
This abstract first appeared for US patent application 18821067 titled 'PRINTED CIRCUIT BOARD
Original Abstract Submitted
A circuit board according to an embodiment includes: an insulating layer including a through hole and a via disposed in the through hole and wherein the via including a first metal layer on an upper surface of the insulating layer and an inner wall of the through hole; and a second metal layer disposed in the through hole, and the an upper surface of the second metal layer includes a protruding portion that does not overlap an upper surface of the insulating layer in a vertical direction and is located higher than the first metal layer.
