Mitsubishi Materials patented a copper/titanium/aluminum bonded body with specific intermetallic compound formation criteria. The patent ensures a maximum length of unformed intermetallic compound part and concentration distribution of Cu and Ti for enhanced bonding efficiency. GlobalData’s report on Mitsubishi Materials 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 Mitsubishi Materials, Ceramic membrane fuel cells was a key innovation area identified from patents. Mitsubishi Materials's grant share as of January 2024 was 31%. Grant share is based on the ratio of number of grants to total number of patents.
Bonded body of copper, titanium, aluminum with specific intermetallic compounds
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A recently granted patent (Publication Number: US11887909B2) discloses a copper/titanium/aluminum bonded body that involves a copper member and an aluminum member bonded via a titanium layer. The bonded interface between the copper member and the titanium layer forms intermetallic compounds containing Cu and Ti, with specific length and concentration parameters defined. The patent also extends to insulating circuit substrates, power modules, LED modules, thermoelectric modules, and more, all incorporating the unique copper/titanium/aluminum bonded body.
The patent further details the formation of an Al—Ti—Si layer between the aluminum member and the titanium layer, with specific thickness requirements. Additionally, the ratio of certain lengths along the bonded interface, as well as the concentration distribution of Cu and Ti, are crucial aspects of the patented technology. The innovative approach outlined in the patent aims to enhance the performance and reliability of various electronic components and modules by utilizing the unique properties of the copper/titanium/aluminum bonded body.
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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.
