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Pat. 11164694 United States, Int. Cl.22 H02M 3/158, H01F 17/00, H01F 27/28, H01F 27/29, H02M 1/00. Low-spurious electric-field inductor design : Appl. N 16/586606 : Filed 27.09.2019 : Pub. 02.11.2021 : / Daniel P. Kumar, Frank Y. Yuan, Xinbo He, Rajarshi Paul, Meng Chi Lee ; Assignee Apple Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11164694/en?oq=US11164694.html (дата обращения: ДД.ММ.ГГГГ).