Patent ID: 7876188
Filing Date: 2011-01-25
Classification: H01L,H03B,H03L

Abstract:
1. A device, comprising: a magnetic-interference-free inductor, said magnetic-interference-free inductor further comprising magnetic guiding or shielding means and inductor means, said magnetic guiding and shielding means guiding and confining a magnetic field to provide a magnetic shield for an outside environment and eliminate magnetic interference to an internal circuit, wherein said inductor means comprises a plurality of loops directly connected electrically and arranged in a same plane parallel to a surface plane, wherein each of the plurality of loops has a center portion, wherein one of the plurality of loops provides a magnetic field in an upward vertical direction at the respective center portion while an other of the plurality of loops provides a magnetic field in a downward vertical direction at the respective center portion, wherein said magnetic shielding means covers said plurality of loops.