Coil assembly comprising planar coil
AssigneeÅAC Microtec AB
InventorRobert Thorslund
Life of this patent
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Abstract
Coil assembly (1) comprising a planar coil (2) comprising a plurality of turns (15) arranged in a trench (10) in a first magnetic core plate (3) and a second magnetic core plate (8), where the first magnetic core plate (3) and second magnetic core plate (8) are in direct contact with each other or separated by an electrically insulating insulator layer (5) with a thickness (t) equal to or less than 50 μm and least one tap (6) extends from the coil (2) in a respective via hole (11) through the first magnetic core plate (3) to a respective contact pad (7), wherein the coil (2) and the tap (6) are integrally formed.
Claims24
Surface mountable coil assembly (1) comprising a planar coil (2) comprising a plurality of turns (15) arranged in a trench (10) in a first magnetic core plate (3), and a second magnetic core plate (8), wherein the first magnetic core plate (3) and second magnetic core plate (8) are in direct contact with each other or separated by an electrically insulating insulator layer (5) with a thickness (t) equal to or less than 50 μm and least one tap (6) extends from the coil (2) in a respective via hole (11) through the first magnetic core plate (3) to a respective contact pad (7), characterized in that the coil (2) and the tap (6) are integrally formed.
Magnetic core plate comprising a trench (10) in which a planar coil (2) comprising a plurality of turns (15) is arranged, wherein least one tap (6) extends from said coil (2) in a respective via hole (11) through said magnetic core plate (3) to a respective contact pad (7), characterized in that the coil (2) and the tap (6) are integrally formed.
Dependencies are inferred from the claim text.