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Pat. 11508638 United States, Int. Cl.22 H01L 23/31, H01L 23/24, H01L 29/06, H01L 29/417, H01L 29/78, H01L 29/872, H02M 7/537. Semiconductor device and power converter : Appl. N 17/251819 : Filed 17.08.2018 : Pub. 22.11.2022 : / Kohei Ebihara ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11508638/en?oq=US11508638.html (дата обращения: ДД.ММ.ГГГГ).