An antenna module according to one embodiment of the present invention, comprises: a coil layer including a wound first coil; a shield layer disposed on the coil layer and including a plurality of sequentially stacked magnetic sheets; and a protection layer disposed on the shield layer, wherein the thickness of an edge of the shield layer is greater than the thickness of the center of the shield layer, and the total separation distance between the plurality of magnetic sheets at the edge of the shield layer is greater than the total separation distance between the plurality of magnetic sheets at the center of the shield layer.

An antenna module according to one embodiment of the present invention, comprises: a coil layer including a wound first coil; a shield layer disposed on the coil layer and including a plurality of sequentially stacked magnetic sheets; and a protection layer disposed on the shield layer, wherein the thickness of an edge of the shield layer is greater than the thickness of the center of the shield layer, and the total separation distance between the plurality of magnetic sheets at the edge of the shield layer is greater than the total separation distance between the plurality of magnetic sheets at the center of the shield layer.

A printed board including an external interface, a frame ground trace electrically connected to the external interface, a circuit member spaced from the frame ground trace, and a resonance trace disposed between the frame ground trace and the circuit member with a gap present between the resonance trace and the frame ground trace. The resonance trace is connected to the circuit member at at least two positions. The resonance trace and the circuit member together form a loop member configured in the form of a closed circuit of the resonance trace and the circuit member.

Systems and methods are provided for providing vibration transduction and radio-frequency communication in proximity to an electrically conductive structure. The system may comprise an antenna element, an electrically conductive structure in proximity to the antenna element, and a vibration transducer comprising a material. The material may comprise a ferromagnetic material with piezoelectric properties. The vibration transducer may be positioned between the antenna element and the conductive structure.

Systems and methods are provided for providing vibration transduction and radio-frequency communication in proximity to an electrically conductive structure. The system may comprise an antenna element, an electrically conductive structure in proximity to the antenna element, and a vibration transducer comprising a material. The material may comprise a ferromagnetic material with piezoelectric properties. The vibration transducer may be positioned between the antenna element and the conductive structure.

Systems and methods are provided for providing vibration transduction and radio-frequency communication in proximity to an electrically conductive structure. The system may comprise an antenna element, an electrically conductive structure in proximity to the antenna element, and a vibration transducer comprising a material. The material may comprise a ferromagnetic material with piezoelectric properties. The vibration transducer may be positioned between the antenna element and the conductive structure.

Systems and methods are provided for providing vibration transduction and radio-frequency communication in proximity to an electrically conductive structure. The system may comprise an antenna element, an electrically conductive structure in proximity to the antenna element, and a vibration transducer comprising a material. The material may comprise a ferromagnetic material with piezoelectric properties. The vibration transducer may be positioned between the antenna element and the conductive structure.

A triad antenna shield includes a housing positionable radially external to three loop antennas of a resistivity logging tool in a wellbore. The housing defines three slot sets each corresponding to a respective one of the loop antennas to overlap at least a portion of the respective loop antenna. At least one slot of each slot set is perpendicular to a trace angle with respect to a longitudinal axis. Further, each slot set extends around a circumference of the triad antenna shield and through a first layer of the housing.

A triad antenna shield includes a housing positionable radially external to three loop antennas of a resistivity logging tool in a wellbore. The housing defines three slot sets each corresponding to a respective one of the loop antennas to overlap at least a portion of the respective loop antenna. At least one slot of each slot set is perpendicular to a trace angle with respect to a longitudinal axis. Further, each slot set extends around a circumference of the triad antenna shield and through a first layer of the housing.

Systems and methods are provided for providing vibration transduction and radio-frequency communication in proximity to an electrically conductive structure. The system may comprise an antenna element, an electrically conductive structure in proximity to the antenna element, and a vibration transducer comprising a material. The material may comprise a ferromagnetic material with piezoelectric properties. The vibration transducer may be positioned between the antenna element and the conductive structure.