Skyworks Solutions has been granted a patent for a bulk acoustic wave device with a multi-layer raised frame structure, improving filter performance. The patent also covers related filters, multiplexers, wireless communication devices, and methods. GlobalData’s report on Skyworks Solutions gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Skyworks Solutions, Under-screen biometric identification was a key innovation area identified from patents. Skyworks Solutions's grant share as of April 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.

Bulk acoustic wave device with multi-layer raised frame structure

Source: United States Patent and Trademark Office (USPTO). Credit: Skyworks Solutions Inc

A recently granted patent (Publication Number: US11967939B2) discloses a multiplexer with a unique design featuring a multi-layer raised frame structure in a bulk acoustic wave resonator. The multiplexer includes a first filter with a first passband and a second filter with a second passband, coupled at a common node. The first filter's bulk acoustic wave resonator comprises first and second electrodes, a piezoelectric layer, and a multi-layer raised frame structure with first and second raised frame layers. The raised frame structure is designed to move a raised frame mode away from the second passband, enhancing the device's performance.

Furthermore, the patent also covers a wireless communication device incorporating the multiplexer and an antenna, with the multiplexer's unique design enhancing signal processing capabilities. The multiplexer's multi-layer raised frame structure, with varying acoustic impedances in the raised frame layers, contributes to optimizing signal transmission and reception. Additionally, the patent includes a bulk acoustic wave device utilizing a similar multi-layer raised frame structure to generate bulk acoustic waves efficiently. The device's design, with distinct raised frame and recessed frame domains, showcases advancements in acoustic wave technology for various applications, including film bulk acoustic wave resonators and solidly mounted resonators. Overall, the patent highlights innovative approaches to improving wireless communication devices and bulk acoustic wave technologies for enhanced performance and functionality.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.