Inductor structure

Details Inductor structure Inductor structure

2008-06-03

2008-06-03

Nguyen, Tuyen (Department: 2832)

Inductor devices

With electric and/or magnetic shielding means

Reexamination Certificate

active

07382219

ABSTRACT:
An inductor structure including a first helix winding, a second helix winding, and a shielding structure is provided. The first helix winding has a first exterior wire connecting with a first interior wire in series. The second helix winding and the first helix winding are intercoiled about a symmetric plane. The second helix winding has a second exterior wire connecting with a second interior wire in series and connects with the first interior wire. The shielding structure includes a first shielding layer disposed between the first exterior wire and the substrate corresponding to a projection of the first exterior wire and a second shielding layer disposed between the second exterior wire and the substrate corresponding to a projection of the second exterior wire. The first shielding layer and the second shielding layer are grounded individually, and are in symmetry about the symmetric plane.

REFERENCES:
patent: 6894598 (2005-05-01), Heima
patent: 7233224 (2007-06-01), Strzalkowski et al.
patent: 2006/0049481 (2006-03-01), Tiemeijer et al.
patent: 2006/0202776 (2006-09-01), Lee et al.
patent: 2006/0202789 (2006-09-01), Hyvonen
patent: 2006/0220737 (2006-10-01), Sanderson

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