L3Harris Technologies had three patents in 3D printing during Q4 2023.L3Harris Technologies Inc filed patents for methods of forming mirrors by bonding a faceplate to a core structure using adhesive formulations. The formulations include fused silica particles with specific diameters and an activator, as well as a binder with monoaluminum phosphate and water, along with specific sets of particles with low coefficients of thermal expansion. These methods aim to create high-quality mirrors with strong bonds between components. GlobalData’s report on L3Harris Technologies gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

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L3Harris Technologies grant share with 3D printing as a theme is 33% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Methods of manufacturing mirrors (Patent ID: US20230350109A1)

The patent filed by L3Harris Technologies Inc. describes a method for manufacturing a mirror by bonding a faceplate to a core structure using a specific adhesive formulation. The adhesive formulation includes fused silica particles with diameters ranging from 1 to 60 micrometers and an activator containing sodium silicate and sodium hydroxide. The method involves curing the adhesive at a temperature between 100 to 250°C, resulting in a mirror with a coefficient of thermal expansion ranging from 0.1 to 0.3 ppm/°C.

The method also includes additional steps such as drying the adhesive at room temperature before curing, extruding the adhesive through a nozzle onto the core structure and faceplate, and optically finishing the faceplate. The core structure can be made of materials like lithium-aluminosilicate ceramic or a MgO, Al2O3, and SiO2 composite. The faceplate and back plate are made of titania silicate glass, with the back plate being bonded to the core structure before bonding the faceplate. Overall, the method outlined in the patent aims to produce mirrors with specific thermal expansion properties and optical finishes using a precise adhesive formulation and manufacturing process.

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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.