Northrop Grumman had three patents in connectivity during Q1 2024. Northrop Grumman Corp has developed methods for manufacturing a high-performance optical absorber using capillary force lamination (CFL) and creating photonic integrated circuits (PIC) by depositing functional resist material and using nanopatterns. GlobalData’s report on Northrop Grumman gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Northrop Grumman grant share with connectivity as a theme is 33% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: High-performance optical absorber comprising functionalized, non-woven, cnt sheet and texturized polymer film or texturized polymer coating and manufacturing method thereof (Patent ID: US20240045119A1)
The patent filed by Northrop Grumman Corp. describes a method for manufacturing a high-performance optical absorber using capillary force lamination (CFL). The process involves texturizing a base layer, joining a non-woven carbon nanotube (CNT) sheet as a surface layer, wetting the layers with a solvent to draw the CNT sheet into the base layer, drying the layers, and treating the resulting base layer with plasma to create the optical absorber. Additional steps include plasma-treating the surface layer, creating specific ridge patterns on the base layer, and utilizing multi-walled CNTs in the surface layer.
The method also involves creating specific ridge patterns on the base layer, such as rectangular, triangular, or pyramidal ridges, with a pitch greater than or equal to 10 times the wavelength of incident light. The CNT sheet used has a porosity between 40% and 90%, with an areal density ranging from 10 to 30 grams per square meter. The surface layer may include both functionalized and non-functionalized sub-layers with different refractive indices. Overall, the process outlined in the patent aims to produce a high-performance optical absorber through precise texturization and layering techniques using CFL.
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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.
