US 7,489,218 B2
Inductor structure
Sheng-Yuan Lee, Taipei Hsien (Taiwan)
Assigned to Via Technologies, Inc., Taipei Hsien (Taiwan)
Filed on Jun. 29, 2007, as Appl. No. 11/771,098.
Claims priority of application No. 96102655 A (TW), filed on Jan. 24, 2007; and application No. 96115699 A (TW), filed on May 03, 2007.
Prior Publication US 2008/0174395 A1, Jul. 24, 2008
Int. Cl. H01F 27/32 (2006.01)
U.S. Cl. 336—84C 16 Claims
OG exemplary drawing
 
1. An inductor structure, comprising:
a winding turn layer, disposed above a substrate, and having a plurality of turns, wherein one of the turns is grounded; and
a shielding layer, disposed between the winding turn layer and the substrate at the projection of the grounded turn, wherein at least parts of the winding turn layer except the grounded turn thereof are projected onto the shielding layer, and the shielding layer is coupled to the grounded turn in parallel.