公开(公告)号：US10692648B2

公开(公告)日：2020-06-23

申请号：US15826299

申请日：2017-11-29

Applicant: WITS Co., Ltd.

Inventor： Seung Hee Oh ,  Doo Ho Park ,  Tae Jun Choi ,  Sung Nam Cho ,  Chang Hak Choi ,  Jung Young Cho

IPC: H01F27/36 ,  H01F27/34 ,  H02J7/02 ,  H01F27/28 ,  H02J50/12 ,  H02J50/10 ,  H02J50/70

Abstract: A magnetic field shielding structure includes a magnetic layer and a resonance reactive shielding circuit including a capacitor and a conductor connected to the capacitor and having a loop form. At least a portion of the magnetic layer overlaps an area surrounded by the conductor in a thickness direction of the magnetic layer.

公开(公告)号：US10595450B2

公开(公告)日：2020-03-17

申请号：US15133503

申请日：2016-04-20

Applicant: WITS Co., Ltd.

Inventor： Seung Min Lee ,  Jung Young Cho ,  Jung Wook Seo ,  Doo Ho Park

IPC: H05K9/00 ,  H04B5/00 ,  H01F27/36 ,  H02J7/02 ,  H02J50/10 ,  H01F3/10 ,  H01F38/14

Abstract: A magnetic sheet for a communications module includes a magnetic material. The magnetic sheet includes crushed cracks in a first region and a second region disposed adjacent to the first region. Degrees of crushed cracks are different in the first region and the second region.

公开(公告)号：US10658104B2

公开(公告)日：2020-05-19

申请号：US15794678

申请日：2017-10-26

Applicant: WITS Co., Ltd.

Inventor： San Kyeong ,  Doo Ho Park ,  Jung Young Cho ,  Chang Hak Choi

IPC: H02J7/00 ,  H02J50/10 ,  H02J50/70 ,  H01F27/00 ,  H01F38/14 ,  H01F27/36 ,  H02J7/02 ,  H01F27/34

Abstract: A magnetic sheet includes a first region and a second region disposed adjacent to each other on a same surface, wherein the first region includes first crack lines formed in a first direction, and the second region includes second crack lines formed in a second direction.