Method of manufacturing high Q on-chip inductor

Details Method of manufacturing high Q on-chip inductor Method of manufacturing high Q on-chip inductor

2006-04-25

2006-04-25

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S604000, C029S605000, C029S606000, C029S610100, C029S838000, C336S200000, C338S092000

Reexamination Certificate

active

07032292

ABSTRACT:
A high Q on-chip inductor includes a primary winding and an auxiliary winding that is coupled to receive a proportionally opposite representation of an input of the primary winding. Further, the auxiliary winding has an admittance that is greater than the admittance of the primary winding thereby yielding an asymmetry in the admittances. As such, a push/pull mechanism is obtained in a 2-port system (e.g., 1stand 2ndnodes of the primary winding) that produces a large Q factor for an on-chip inductor.

REFERENCES:
patent: 3360720 (1967-12-01), Mennie
patent: 4395659 (1983-07-01), Aoike et al.
patent: 5239402 (1993-08-01), Little et al.
patent: 5386206 (1995-01-01), Iwatani et al.

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