Semiconductor Manufacturing International has patented a method for forming a semiconductor structure with active and passive devices on different insulating layers. The structure includes multiple insulating layers and regions for efficient device placement. GlobalData’s report on Semiconductor Manufacturing International gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Semiconductor Manufacturing International, Quantum dot devices was a key innovation area identified from patents. Semiconductor Manufacturing International's grant share as of February 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.
Semiconductor structure with active and passive devices on insulating layers
A recently granted patent (Publication Number: US11921318B2) discloses a semiconductor structure comprising various layers and devices. The structure includes a substrate with distinct regions, insulating layers, active and passive devices, and multiple insulating layers on top. The passive devices are made of silicon nitride, while the active devices are based on silicon. The method of forming this semiconductor structure involves intricate processes like patterning, annealing, ion injection, and forming barrier layers to create the active and passive devices. The method also includes the formation of light inlets passing through the layers over the active and passive devices, enhancing the functionality of the structure.
Furthermore, the patent details the formation of an electrical interconnection structure and a passivation layer on top of the insulating layers. The method involves precise steps to create the desired device structures, including modulators, detectors, and waveguide devices. The inclusion of a grating layer and the formation of light inlets for both active and passive devices showcase the innovative approach taken in designing this semiconductor structure. Overall, the patent highlights a comprehensive method for creating a sophisticated semiconductor structure with a focus on optimizing the performance of active and passive devices through intricate fabrication processes.
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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.
