Inductor devices – Coil or coil turn supports or spacers – Printed circuit-type coil
Patent
1994-03-01
1996-11-19
Thomas, Laura
Inductor devices
Coil or coil turn supports or spacers
Printed circuit-type coil
H01F 500
Patent
active
055766803
ABSTRACT:
The present invention discloses an inductive circuit. The inductive circuit is fabricated on a semiconductor chip including a substrate layer and a dielectric layer. The inductive circuit includes an inductive core composed of high magnetic susceptible material (HMSM) surrounded by an dielectric layer. The dielectric layer which surrounds the inductive core is further surrounded by a conductive line which includes the bottom conductive lines the conductive lines in the `vias` through the surrounding dielectric layer and the top conductive lines. The conductive lines are patterned by employing IC fabrication processes. Thus the inductive core, the dielectric layer surrounding the inductive core, and the surrounding conductive line form an inductive circuit and the inductive circuit is formed on the semi-conductor chip which includes the substrate a layer and a dieletric layer.
REFERENCES:
patent: 3731005 (1973-05-01), Shearman
patent: 3881244 (1975-05-01), Kendall
patent: 4117588 (1978-10-01), Johnson
patent: 4649755 (1987-03-01), Volz
patent: 4729510 (1988-03-01), Landis
patent: 5372967 (1994-12-01), Sundaram et al.
Amer-Soi
Lin Bo-In
Thomas Laura
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