Ajinomoto. has filed a patent for a resin sheet with a unique composition to reduce irregularities and warping. The sheet includes epoxy resin, organic solvent, inorganic filler, and stress relaxing material, with a specific limit on aromatic solvent content. This innovation aims to improve lamination and curing processes. GlobalData’s report on Ajinomoto 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 Ajinomoto, Cancer treatment biomarkers was a key innovation area identified from patents. Ajinomoto's grant share as of January 2024 was 37%. Grant share is based on the ratio of number of grants to total number of patents.
The patent application (Publication Number: US20240034874A1) describes a resin sheet comprising a support and at least one resin composition layer with specific components, including epoxy resin, organic solvent, inorganic filler, and stress relaxing material. The content of an aromatic solvent in the organic solvent component is limited to a range of 0 to 9% by mass. Additionally, the patent outlines specific requirements for the content of the stress relaxing material, inorganic filler, and organic solvents based on mass percentages within the resin composition layer.
Furthermore, the patent details a method for manufacturing a printed wiring board using the resin sheet described in the claims. The method involves laminating the resin sheet onto an inner layer substrate and forming an insulating layer by curing the resin composition layer. The patent also includes specifications for a resin composition with various components, such as curing agents, curing accelerators, and radical polymerizable compounds, to achieve desired properties like dielectric loss tangent and melt viscosity. Overall, the patent application aims to protect the unique composition and manufacturing process of the resin sheet for potential applications in printed wiring boards.
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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.
