Title:
LAMINATED COMMON MODE FILTER
Document Type and Number:
WIPO Patent Application WO/2023/085698
Kind Code:
A1
Abstract:
Disclosed is a laminated common mode filter which implements a wide band characteristic and in which the resistance and inductance of coil patterns configuring each channel are formed uniformly. The disclosed laminated common mode filter comprises: an upper electrode layer configured by a lamination comprising multiple coil patterns; a lower electrode layer configured by a lamination comprising multiple coil patterns and disposed under the upper electrode layer; and a capacitance layer configured by a lamination comprising a capacitance pattern and a ground pattern, disposed under the lower electrode layer, and overlapping the multiple coil patterns to form an additional capacitance.
Inventors:
LIM BYUNGGUK (KR)
KIM HEEHWANG (KR)
KIM HEEHWANG (KR)
Application Number:
PCT/KR2022/017227
Publication Date:
May 19, 2023
Filing Date:
November 04, 2022
Export Citation:
Assignee:
AMOTECH CO LTD (KR)
International Classes:
H01F17/00; H01F27/28; H01F27/29
Foreign References:
| KR101735599B1 | 2017-05-16 | |||
| JP2010141827A | 2010-06-24 | |||
| KR20160057916A | 2016-05-24 | |||
| JP2015228438A | 2015-12-17 | |||
| KR20170093537A | 2017-08-16 |
Attorney, Agent or Firm:
KIM, Churchill (KR)
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