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公开(公告)号：US12266863B2
公开(公告)日：2025-04-01
申请号：US17663466
申请日：2022-05-16
Applicant: DENSO CORPORATION
Inventor： Kazumasa Sakurai , Kazushi Kawaguchi , Junzoh Tsuchiya
Abstract: A dielectric substrate includes a plurality of pattern layers. A ground plate to be used as a ground plane is formed in a first pattern layer of the dielectric substrate. A functional unit includes a plurality of conductive patches that are parasitic patterns formed in a second pattern layer different from the first pattern layer. The conductive patches are periodically arranged, and sides of the conductive patches along at least one direction are set at a length to cause resonance of a radio wave that propagates through a surface of the dielectric substrate.
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