Title:
VARIABLE CAPACITOR AND INTEGRATED CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2024/079783
Kind Code:
A1
Abstract:
This variable capacitor has a first conductive layer, a second conductive layer, and a capacitance layer sandwiched between the first conductive layer and the second conductive layer. The first conductive layer and the second conductive layer are each a ferromagnetic layer including a ferromagnetic body. The first conductive layer has a first magnetic domain and a second magnetic domain that has magnetization oriented in a direction different from that of the first magnetic domain. The variable capacitor is configured such that a magnetic wall, which is the boundary between the first magnetic domain and the second magnetic domain, can be moved in a region of the first conductive layer overlapping at least the capacitance layer in the lamination direction, in a first direction of the in-plane of the first conductive layer.
Inventors:
SASAKI TOMOYUKI (JP)
SHIBATA TATSUO (JP)
NAKADA KATSUYUKI (JP)
SHIBATA TATSUO (JP)
NAKADA KATSUYUKI (JP)
Application Number:
PCT/JP2022/037856
Publication Date:
April 18, 2024
Filing Date:
October 11, 2022
Export Citation:
Assignee:
TDK CORP (JP)
International Classes:
H01G7/00
Domestic Patent References:
| WO2021199233A1 | 2021-10-07 | |||
| WO2008001914A1 | 2008-01-03 |
Foreign References:
| US20140313637A1 | 2014-10-23 | |||
| US20110051313A1 | 2011-03-03 | |||
| US20150179345A1 | 2015-06-25 | |||
| JP2015073047A | 2015-04-16 |
Attorney, Agent or Firm:
OIKAWA Shu et al. (JP)
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