Reconfigurable package integrated electro magnetic interference shielding

The tunable shielding system addresses EMI challenges in electronic components by dynamically adjusting its geometry and electromagnetic properties, improving performance and safety in miniaturized packages.

TWI934357BActive Publication Date: 2026-08-01APPLIED MATERIALS INC +1
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Patent Information

Application Number
TW113146758
Authority / Receiving Office
TW · TW
Patent Type
Patents
Current Assignee / Owner
Priority Date
2023-12-08
Filing Date
2024-12-03
Publication Date
2026-08-01
Estimated Expiration
2044-12-02

AI Technical Summary

Technical Problem

Electronic components face challenges in mitigating electromagnetic interference (EMI) due to static shielding structures that are ineffective against varying noise modes and frequencies, leading to performance and safety issues, especially in miniaturized advanced packages.

Method used

A tunable shielding system with a substrate, dielectric layer, tunable metal patch, and DC coil that adjusts its geometry in response to magnetic fields to dynamically shield against EMI, using multiferroic structures and metamaterial resonators to alter electromagnetic properties.

Benefits of technology

The system effectively shields electronic components from EMI by dynamically adjusting its geometry and electromagnetic properties, enhancing performance and safety by reducing interference and improving transmission/reception characteristics.

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Abstract

A tunable shielding system may include a substrate, wherein a dielectric layer is disposed on the surface of the substrate. The system may include a tunable metal patch comprising a metal plate attached to the substrate and surrounded in a magnetic layer, the tunable metal patch being configured for geometric displacement. The system may include a DC coil adjacent to the metal plate and a current source. The system may include one or more processors and a computer-readable medium including instructions that cause the system to perform operations to determine an electromagnetic interference signal incident on the system, the electromagnetic interference signal being characterized by frequency. The system may also determine a frequency-related current quantity. The system may supply current to the DC coil, thereby generating a magnetic field that causes the tunable metal patch to geometrically shift.
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