Electronic filtering part using a material with microwave absorbing properties
AssigneeTDK Corporation
InventorsFumio Uchikoba, Shigeyuki Nakajima, Takashi Ito, Taro Miura, Makoto Kobayashi, Takahide Kurahashi, Yasushi Iijima
Life of this patent
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Abstract
A ground conductor and a signal conductor are provided in an insulating magnetic body respectively. The insulating magnetic body is a compound member that combines ferromagnetic metal particles and an insulating resin. A signal transmission element, a connector or a circuit board with high frequency stopping and low pass characteristics which will ensure reliable absorption of high frequency components in the high frequency range, can be provided.
Claims16
An electronic part used as a signal transmission element, comprising:
- at least one ground conductor;
- at least one signal conductor;
- and
- an insulating magnetic body, wherein each of said conductors is in contact with said insulating magnetic body and said insulating magnetic body includes a compound member in which ferromagnetic metal particles and an insulating resin are mixed;
- and
- said ground conductor is provided on a surface of said insulating magnetic body and said signal conductor is embedded in said insulating magnetic body;
- and
- said signal conductor is formed spirally.
An electronic part used as a signal transmission element, comprising:
- at least one ground conductor;
- at least one signal conductor;
- and
- an insulating magnetic body, wherein each of said conductors is in contact with said insulating magnetic body and said insulating magnetic body includes a compound member in which ferromagnetic metal particles and an insulating resin are mixed;
- said ground conductor is provided on a surface of said insulating magnetic body and said signal conductor is embedded in said insulating magnetic body;
- and
- two ends of said signal conductor are connected to a pair of terminal conductors that are formed on two opposing ends of said insulating magnetic body, and said ground conductor is formed on a surface of said insulating magnetic body between said pair of terminal conductors in a state in which said ground conductor is insulated electrically from said terminal conductors.
Dependencies are inferred from the claim text.