US 12,347,603 B2
Molded inductor with magnetic core having mold flow enhancing channels
Joel Nathan Brassfield, Homer Glen, IL (US); Charles Allen DeVries, Jr., Winfield, IL (US); and Kristen Nguyen Parrish, Dallas, TX (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by Texas Instruments Incorporated, Dallas, TX (US)
Filed on Dec. 28, 2018, as Appl. No. 16/235,454.
Prior Publication US 2020/0211760 A1, Jul. 2, 2020
Int. Cl. H01F 27/24 (2006.01); H01F 27/02 (2006.01); H01F 27/06 (2006.01); H01F 27/28 (2006.01); H01F 27/36 (2006.01); H01F 41/00 (2006.01); H01F 41/061 (2016.01); H01L 21/56 (2006.01); H01L 23/31 (2006.01); H01L 23/495 (2006.01); H01L 23/552 (2006.01); H01L 25/16 (2023.01); H02M 1/08 (2006.01)
CPC H01F 27/2852 (2013.01) [H01F 27/022 (2013.01); H01F 27/06 (2013.01); H01F 27/24 (2013.01); H01F 27/366 (2020.08); H01F 41/005 (2013.01); H01F 41/061 (2016.01); H01L 21/561 (2013.01); H01L 23/3121 (2013.01); H01L 23/49537 (2013.01); H01L 23/552 (2013.01); H01L 25/16 (2013.01); H02M 1/08 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A molded inductor, comprising:
a winding having leads coupled to a package substrate;
a magnetic core having a channeled or grooved body disposed within the winding; and
a magnetic mold material encasing the winding and the magnetic core.