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Pat. 9980377 United States, Int. Cl.22 H05K 7/20, H02M 7/00, H05K 1/11, H05K 1/02, H05K 1/18. Electronic circuit device and heat sink structure for the same : Appl. N 15/228283 : Filed 04.08.2016 : Pub. 22.05.2018 : / Atsuki Sakamoto, Mitsuru Watanabe ; Assignee Tdk Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9980377/en?oq=US9980377.html (дата обращения: ДД.ММ.ГГГГ).