Magnetic Core-Coil Device and Method for Making the Same
AssigneesShih-Jen Wang, Meng-Hua Hsien, Ya-Ting Wang
InventorWan-Hsun Wang
Life of this patent
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Abstract
A magnetic core-coil device includes: a printed circuit board having a stack of plate layers, a loop-shaped magnetic core, a primary winding, and an auxiliary winding. The loop-shaped magnetic core has two side portions extending through two rows of through holes of the printed circuit board. The primary winding includes a plurality of primary coil sections formed respectively on the plate layers and each looping around one of the side portions. The auxiliary winding includes a plurality of auxiliary coil sections formed respectively on the plate layers and each looping around the other one of the side portions. A method for making the magnetic core-coil device is also disclosed.
Claims14
A magnetic core-coil device comprising:
- a printed circuit board having a stack of plate layers, each of which is formed with a pair of first through holes that are spaced apart from each other, said first through holes in said stack of said plate layers being aligned with each other to form two rows of said first through holes;
- a first loop-shaped magnetic core having two first side portions respectively extending through said two rows of said first through holes, a first top connecting portion formed on a top surface of a topmost one of said plate layers and bridging said first side portions, and a first bottom connecting portion formed on a bottom surface of a bottommost one of said plate layers and bridging said first side portions;
- a primary winding including a plurality of primary coil sections stacked one above the other and electrically connected to each other in series connection, said primary coil sections being formed respectively on said plate layers and each looping around one of said first side portions;
- and
- an auxiliary winding including a plurality of auxiliary coil sections stacked one above the other and electrically connected to each other in series connection, said auxiliary coil sections being formed respectively on said plate layers and each looping around the other one of said first side portions.
A method for making a magnetic core-coil device, comprising:
- (a) providing a printed circuit board having a stack of plate layers, each of which is formed with a pair of through holes that are spaced apart from each other, the through holes in the stack of the plate layers being aligned with each other to form two rows of the through holes;
- (b) providing a loop-shaped magnetic core having two side portions respectively extending through the two rows of the through holes, a top connecting portion formed on a top surface of a topmost one of the plate layers and bridging the side portions, and a bottom connecting portion formed on a bottom surface of a bottommost one of the plate layers and bridging the side portions;
- (c) providing a primary winding including a plurality of primary coil sections stacked one above the other and electrically connected to each other in series connection, the primary coil sections being formed respectively on the plate layers and each looping around one of the side portions;
- and
- (d) providing an auxiliary winding including a plurality of auxiliary coil sections stacked one above the other and electrically connected to each other in series connection, the auxiliary coil sections being formed respectively on the plate layers and each looping around the other one of the side portions.
Dependencies are inferred from the claim text.