Atomera has been granted a patent for a semiconductor gate-all-around (GAA) device featuring semiconductor nanostructures with superlattices. The device includes source and drain regions, a gate surrounding the nanostructures, and stacked groups of layers with non-semiconductor monolayers. GlobalData’s report on Atomera gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Atomera, Quantum dot devices was a key innovation area identified from patents. Atomera's grant share as of May 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.

Semiconductor gate-all-around device with superlattice in nanostructures

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

A recently granted patent (Publication Number: US11978771B2) discloses a semiconductor gate-all-around (GAA) device featuring a unique superlattice structure within semiconductor nanostructures. The device includes a semiconductor substrate with source and drain regions, a gate surrounding the nanostructures, and at least one superlattice within the nanostructures. This superlattice comprises stacked groups of layers, with non-semiconductor monolayers constrained within the crystal lattice of adjacent base semiconductor portions, offering potential advancements in semiconductor technology.

Furthermore, the patent details variations in the superlattice composition, with some layers containing oxygen and others carbon. The arrangement of these non-semiconductor monolayers within the superlattice, along with the positioning of multiple vertically spaced-apart superlattices within the nanostructures, adds complexity and functionality to the semiconductor GAA device. The inclusion of shallow trench isolation (STI) regions in the semiconductor substrate further enhances the device's performance, making it a promising development in the field of semiconductor technology.

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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.