公开(公告)号：US10673131B2

公开(公告)日：2020-06-02

申请号：US15994021

申请日：2018-05-31

Applicant: WITS Co., Ltd.

Inventor： Dae Ung Ahn ,  Jae Hyoung Cho ,  Dae Seong Jeon ,  Sung Uk Lee ,  Ki Won Chang

IPC: H01Q1/38 ,  H01Q7/00 ,  G06K19/077 ,  H04B5/00 ,  G06K19/07 ,  H01F27/38 ,  H01Q1/22 ,  H01F27/00 ,  H01Q1/40 ,  H01F27/28 ,  H01Q21/28 ,  H01F38/14 ,  H01F5/00 ,  H02J7/02 ,  H02J50/10

Abstract: A coil assembly includes: a substrate; and a coil wiring coupled to the substrate and including a spiral wiring and a lead wiring, wherein the spiral wiring includes a first section forming an outer portion of the spiral wiring and a second section, disposed inside the first section, and having a line width narrower than a line width of the first section.