Title:
LAMINATED COMMON MODE FILTER
Document Type and Number:
WIPO Patent Application WO/2023/080607
Kind Code:
A1
Abstract:
Proposed is a laminated common mode filter in which a ground pattern is interposed between coil patterns to form additional capacitance. The proposed laminated common mode filter comprises: an upper electrode layer composed of a laminate having a first coil pattern, a second coil pattern, and a third coil pattern; a ground layer that is arranged on the lower portion of the upper electrode layer and has a ground pattern; and a lower electrode layer that is arranged on the lower portion of the ground layer and is composed of a laminate having a forth coil pattern, a fifth coil pattern, and a sixth coil pattern, wherein the ground pattern is arranged to overlap the coil patterns of the upper electrode layer and the coil patterns of the lower electrode layer to form capacitance.
Inventors:
KIM HEEHWANG (KR)
LIM BYUNGGUK (KR)
LIM BYUNGGUK (KR)
Application Number:
PCT/KR2022/016963
Publication Date:
May 11, 2023
Filing Date:
November 02, 2022
Export Citation:
Assignee:
AMOTECH CO LTD (KR)
International Classes:
H01F17/00; H01F27/28; H01F27/34; H03H9/46
Foreign References:
| KR20210043382A | 2021-04-21 | |||
| KR20100043518A | 2010-04-29 | |||
| KR101197393B1 | 2012-11-05 | |||
| KR20170128961A | 2017-11-24 | |||
| US20210151241A1 | 2021-05-20 |
Attorney, Agent or Firm:
KIM, Churchill (KR)
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