Method for realizing magnetic circuits in an integrated circuit

Details Method for realizing magnetic circuits in an integrated circuit Method for realizing magnetic circuits in an integrated circuit

1996-12-06

1999-08-10

Prenty, Mark V.

Active solid-state devices (e.g., transistors, solid-state diode

Integrated circuit structure with electrically isolated...

Passive components in ics

257758, H01L 2900

Patent

active

059362987

ABSTRACT:
Inductive structures make highly efficient use of the magnetic flux generd, and are consistent with integrated circuit manufacturing techniques. The structures include electrically conductive layers and interconnecting conductor filled vias to define a helical winding surrounding a closed magnetic core. The magnetic core may also be formed by semiconductor manufacturing techinuqes. A method of making the structures on a semiconductor substrate concurrently with the formation of the integrated circuit itself is also disclosed.

REFERENCES:
patent: 5070317 (1991-12-01), Bhagat
patent: 5095357 (1992-03-01), Andoh et al.
patent: 5446311 (1995-08-01), Ewen et al.
patent: 5541442 (1996-07-01), Keil et al.

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